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Stainless Steel Pipe Suppliers | Stainless Steel Pipe Suppliers, Fittings Flange Supplier, Manufacturers, Stainless Steel Store

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304L Stainless Steel Pipe | Stainless Steel Pipe Suppliers

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304L Stainless Steel Pipe 18Cr-8Ni- low carbon as a low-C 304 steel, corrosion resistance is similar to 304 steel, the use temperature is -196℃~800℃.

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Stainless Steel Pipe Suppliers | Stainless Steel Pipe Suppliers, Fittings Flange Supplier, Manufacturers, Stainless Steel Store

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STAINLESS STEEL PIPE FITTINGS | Stainless Steel Pipe Suppliers

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STAINLESS STEEL PIPE AND FITTINGS SUPPLIERS & MANUFACTURERS & STOCKHOLDER IN CHINA, CONTACT US FOR FANTASTIC PRICE & HIGH QUALITY STAINLESS STEEL PIPE FITTINGS.

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Duplex & Stainless Steel Pipe Suppliers Fittings & Manufacturers in China: Amazing Price! All People Love It.

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STAINLESS STEEL PIPE AND FITTINGS
THE BIGESTSTAINLESS STEEL PIPE AND FITTINGS SUPPLIERS,MANUFACTURERS,STOCKHOLDERS IN CHINA! AMZING PRICE! AND THE BEST DELIVERY AND QUALITY.

TODAY , LET ME INTRODUCE KCM SPECIAL STEEL CO.,LTD FOR U,

WE ARE SPECIALIZE IN STAINLESS STEEEL PIPE AND FITTINGS,FLANGES,VALVES.

MAIN METERIAL:304,304L,321,321H,316L,316Ti,317L,310,310s,347H,904L,inconel601,625,incoloy800,800H,monel400.alloy20,alloy60.DUPLEX STAINLESS STEEL UNS S31803/SAF2205,UNS S32304/SAF2304 ,SUPER DUPLEX STAINLESS STEEL UNS S32750/2507,UNS S32760

SIZE:OD 6MM-2000MM THK 0.9MM-60MM

EXCUTIVE STANDARD:ASTM,JIS,DIN,EN,BS.

PACKING:PLASTIC BY BUNDLES, OR WOODEN CASES OR ACC TO CUSTOMER REQUEST

DELIVERY:CAN BE MAKE TO ORDER OR COLLECT IT IN STOCK

PAYMENT:30% TT INADVANCE,THE BALANCE TO BE PAID BEFORE SHIPMENT.

WE HAVE A LARGE QUANTUTY OF STAINLESS STEEL PIPE AND FITTINGS STOCK, IF U HAVE ANY INQUIRY, PLS DON'T HESITATE TO CONTACT US,U WILL BE SATISFIED WITH OUR PRODUCT QUALITY,PRICE,AND SERVICE AFTER SELLING.SO,IF U ARE LOOKING FOR STAINLESS STEEL PIPE AND FITTINGS SUPPLIERS ,JUST CHOOSE US,GET AMAZING PRICE AND HIGH QUALITY PRODUCTS.THAT IS UR BEST OPPORTUNITY TO BE A SUCCESS ONE.

WEBSITE:WWW.DUPLEXSTAINLESSSTEELPIPES.COM WWW.NICKEL-STEELS.COM

MOB&WHATSAPP:+86-13758498349

EMAIL:kcmspecialsteel@outlook.com

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STAINLESS STEEL PIPE AND FITTINGS | Duplex & Stainless Steel Pipe Suppliers Fittings & Manufacturers In China: Amazing Price! All People Love It.

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THE BIGEST STAINLESS STEEL PIPE AND FITTINGS SUPPLIERS,MANUFACTURERS,STOCKHOLDERS IN CHINA! AMZING PRICE! AND THE BEST DELIVERY AND QUALITY.

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Stainless Steel Pipe Suppliers | Stainless Steel Pipe Suppliers, Fittings Flange Supplier, Manufacturers, Stainless Steel Store

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Duplex S32760 Stainless Steel Pipe | Stainless Steel Pipe Suppliers

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Super Duplex S32760 Stainless Steel Pipe Suppliers & Manufacturers in China, Frantastic Price & High quality Super Duplex S32760 Pipe In Stock & fast delivery.

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Duplex & Stainless Steel Pipe Suppliers Fittings & Manufacturers in China: Amazing Price! All People Love It.

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Description

DUPLEX 2304 STAINLESS STEEL PIPE BRIEF INTRODUCTION

DUPLEX 2304 STAINLESS STEEL PIPE / Duplex 2304 pipe is a low-alloy duplex stainless steel developed by Sweden.It has a solution temperature of about 1000 ℃, the organization has 40% -50% ferrite and 50% -60% austenite, with the common characteristics of duplex stainless steel, Is as a high strength and inexpensive features, can replace the 304L and 316L commonly used austenitic stainless steel and the development of steel.

It has been recognized by the American Society of Mechanical Engineers (ASME) for use in boilers and pressure vessels, chemical plants and refineries, and many countries have incorporated standards.

US standard for the UNS S32304, Sweden's commercial grade SAF 2304 .

UNS S32304 / SAF 2304 DUPLEX STAINLESS STEEL PIPE RELATED PRODUCTS OFFERING BY KCM SPECIAL STEEL

1. DUPLEX 2304 STAINLESS STEEL PIPE SEAMLESS

2. DUPLEX 2304 STAINLESS STEEL PIPE WELDED

3. DUPLEX 2304 STAINLESS STEEL TUBE SEAMLESS

4. DUPLEX 2304 STAINLESS STEEL TUBE WELDED

5. DUPLEX 2304 STAINLESS STEEL PIPE FITTINGS

6. DUPLEX 2304 STAINLESS STEEL PIPE FLANGES

7. DUPLEX 2304 STAINLESS STEEL VALVES

DUPLEX 2304 STAINLESS STEEL PIPE CHEMICAL COMPOSITION:

UNS S32304=C ≤ 0.030 、 Si ≤ 1.0 、 Mn ≤ 2.5 、 S ≤ 0.030 、 P ≤ 0.040 、 Cr: 21.5 - 24.5 、 Ni: 3.0 - 5.5 、 Mo: 0.05 - 0.6 、N: 0.05 - 0.20 、 Cu：0.05 - 0.6

SAF2304=C ≤ 0.030 、 Si ≤ 0.5 、 Mn ≤ 1.2 、 S ≤ 0.04 、 P ≤ 0.04 、 Cr: 23 、 Ni: 4.5 、 N: 0.1

DUPLEX 2304 PIPE UNS S32304 / SAF2304 MECHANICAL PROPERTY:

DUPLEX 2304 STAINLESS STEEL PIPE CORROSION RESISTANCE:

duplex 2304 duplex stainless steel pipe PRE value of 25, and 316L stainless steel value equivalent.The CPT value of duplex 2304 stainless steel pipewas higher than that of 304L, which was equivalent to that of 316L when the critical pitting temperature (CPT) and chloride ion content of several steels were tested in NaCl solution at 300mV.

The results of several steels in the neutral chloride solution of the autoclave found that the applied stress was equivalent to the yield strength of the steel at this temperature, and the test time was 1000 h, where the stress corrosion cracking did not occur under the curve.In addition SAF2304 duplex 2304 stainless steel pipe corrosion resistance between the good, can be CuSO4 + H2SO4 copper method test.

SAF2304 dual phase steel in nitric acid has a good corrosion resistance, can be comparable with 304L, in other acids, such as sulfuric acid, its corrosion resistance with 316L, and in organic acids, such as formic acid, and even better than 316L.

DUPLEX 2304 STAINLESS STEEL PIPE SEAMLESS PRODUCTION PROCESS:

WELDED PIPE PRODUCTION PROCESS:

SAF 2304 STAINLESS STEEL PIPE WELDING PROPERTY:

duplex 2304 stainless steel pipe has good welding performance, no heat treatment before welding. Suitable for SMAW, GTAW, GMAW and SAW method for welding. When welding with GTAW method, fill wire is required and use pure argon or Ar + 2% N2 shielding gas.

Uns s32304 STAINLESS STEEL PIPE EXCUTIVE STANDARD

ASTM A789-08a General Purpose Seamless and Welded Ferritic / Austenitic Stainless Steel Tubes
ASTM A790 / A790M - 11 Seamless and welded ferritic / austenitic stainless steel nominal tube

DUPLEX 2304 STAINLESS STEEL PIPE APPLICATIONS:

SAF 2304 stainless steel pipe has good mechanical and physical properties, resistance to stress corrosion and other forms of corrosion and good weldability, it may instead replace 304,304 L, 316,316 L and other austenitic stainless steel. Can be used in the manufacture of amine recovery equipment, hydrocarbon fermentation equipment, in addition, can also be used as a manufacturing industry heat exchangers, pulp and paper industry, cooking pot preheater and hot and humid, coastal areas such as the train seat

DUPLEX 2304 STAINLESS STEEL PIPE AVAILABLE SIZES TO ARRANGE PRODUCTION:

Weight & Thickness Chart Of Duplex 2304 Pipes

DUPLEX 2304 STAINLESS STEEL PIPE ENQUIRY CONTACT:

COMPANY: KCM SPECIAL STEEL CO.,LTD

MR.BOB LEE

MOB&WHATSAPP:+86-13758498349

SKYPE:BOBO.LEE2

EMAIL:KCMSPECIALSTEEL@OUTLOOK.COM

WEBSITE:WWW.DUPLEXSTAINLESSSTEELPIPES.COM

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High Quality Duplex 2304 Stainless Steel Pipe | Duplex 2304 Pipe |S32304

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Duplex 2304 Stainless Steel Pipe Suppliers & Manufacturers in China, Fantastic Price & high quality Duplex 2304 Pipe In Stock, Duplex 2304 Same as UNS S32304

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Stainless Steel Pipe Suppliers - Kcm Special Steel

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Description

304 / 304L, 316 / 316L, 310 / 310S Stainless Steel Butt Weld Elbow 45 Degree 90 Degree 180 Degree Introduction

304 / 304L, 316 / 316L, 310 / 310S Stainless Steel Butt Weld Elbow 30 degree, 45 degree, 60 degree, 90 degree, 180 degree In piping systems, elbows are fittings that change the direction of the pipe. According to the angle, there are 45 degree and 90 degree 180 degree three kinds of the most commonly used, in addition to engineering needs, including 60 ° and other non-normal angle elbow.

Elbow materials are cast iron, stainless steel, alloy steel, malleable iron, carbon steel, non-ferrous metals and plastics. Pipe connection with the way: direct welding (the most common way) flange connection, hot melt connection, fused connection, screw connection and socket connection. In accordance with the production process can be divided into: welding elbow, stamping elbow, pushing the elbow, casting elbow, elbow and so on. Other names: 90-degree elbow, right-angle bend, love and bend and so on.

1. Stainless Steel Elbow meterial Grade:201, 202, 301, 304, 304L, 310S, 316, 316L, 316Ti, 317, 317L, 321, 347,904L, Dual Grade 304/304L, 316/316L, Duplex Stainless Steel S32304 / 2304, S31803 / 2205, S32750 / 2507 , S32760 Monel400 Inconel600 Incoloy800 Alloy20 Alloy28 Nickel Alloy etc.

2. Stainless Steel Elbow Manufacturing Standard:

3. Stainless Steel Elbow Types: 1>30 degree, 45 degree, 60 degree, 90 degree, 180 degree. 2> stainless steel seamless elbow and stainless steel welded elbow

304 / 304L, 316 / 316L, 310 / 310S Stainless Steel Butt Weld Elbow 45 degree 90 degree 180 degree Technical Requirement :

1, the majority of 304 / 304L, 316 / 316L, 310 / 310S Stainless Steel Elbow 45 degree 90 degree 180 degree for welding, in order to improve the quality of welding, the end of the car into a groove, leaving a certain angle, with a certain edge, this one is also more stringent requirements, how thick edge, how much angle and deviation The scope of the provisions.

Surface quality and mechanical properties are basically the same as for pipes. For welding convenience, the pipe is the same type of steel as the pipe to be connected.

2, that is, all the 304 / 304L, 316 / 316L, 310 / 310S Stainless Steel Butt Weld Elbow have to go through surface treatment, the inner and outer surface of the oxide coating by shot peening spray, and then coated with anti-corrosion paint. This is for export needs. Moreover, it is also necessary to do the work in this area in order to facilitate the transportation and prevent rust oxidation in China.

3, that is, the packaging requirements For small tube, such as exports, you need to do wooden boxes, about 1 cubic meter, provided that the number of elbows in this box can not exceed about one ton, the standard allows the suit, However, the total weight of the general can not exceed 1 ton.

For the large y will have a single package, such as 24 " must be a single package. The other is the package mark, mark is to indicate the size, steel, batch number, trademark and other manufacturers.

How to maintain the 304 / 304L, 316 / 316L, 310 / 310S Stainless Steel Butt Weld Elbow 45 degree 90 degree 180 degree

1, Long-term storage of 304 / 304L, 316 / 316L, 310 / 310S Stainless Steel Elbow 45 degree 90 degree 180 degree , should be checked on schedule, often on the exposed surface to be kept clean, remove dirt, neatly stored indoors in a dry place, non-stacking or open storage.

Always keep the stainless steel elbows dry and ventilated, the holder clean and tidy, stored in accordance with the exact method of storage.

2, the installation, 304 / 304L, 316 / 316L, 310 / 310S Stainless Steel Butt Weld Elbow 45 degree 90 degree 180 degree can be connected directly by the device installed in the pipeline, according to the use of the installation location. Under normal circumstances, can be installed in any position on the pipeline, but to facilitate the test of operation, pay attention to the flow of media until the end of the vertical stainless steel elbow valve should flow upward, stainless steel elbow can only be installed horizontally.

Stainless steel elbow in the installation should pay attention to sealing, to prevent the emergence of leakage, affecting the normal operation of the pipeline.

3, 304 / 304L, 316 / 316L, 310 / 310S Stainless Steel Butt Weld Elbow 45 degree 90 degree 180 degree ball valve, globe valve, gate valve use, only for full open or fully closed, do not agree to do to adjust the flow to avoid erosion of the sealing surface, accelerated wear and tear.

Gate valve and the thread shut-off valve within the inverted seal device, the hand wheel screwed to the top position, you can prevent the media leak from the packing.

4, 304 / 304L, 316 / 316L, 310 / 310S Stainless Steel Butt Weld Elbow 45 degree 90 degree 180 degree hand wheel, do not use the lever or other tools, so as to avoid damage to the valve. Handwheel clockwise closed, on the contrary is open. Sub-ah use justice, to ensure accurate use of methods and means.

5, 304 / 304L, 316 / 316L, 310 / 310S Stainless Steel Butt Weld Elbow 45 degree 90 degree 180 degree valve packing gland bolts should be tightened evenly, should not be pressed into a crooked state, so as to avoid bumps hinder stem movement or cause leakage.

6, 304 / 304L, 316 / 316L, 310 / 310S Stainless Steel Butt Weld Elbow 45 degree 90 degree 180 degree in the use of the process, should always be kept clean, the transmission screw lubrication must be regular, found that failure should be immediately discontinued to find out the reasons to clear the fault

Where to find 304 / 304L, 316 / 316L, 310 / 310S Stainless Steel Butt Weld Elbow 45 ° 90 ° 180 ° ?

Company name:Kcm Special Steel Co.,Ltd

Add:Yongzhong Street Longwan Area Wenzhou City Zhejiang Provice, China

Website: https://www.duplexstainlesssteelpipes.com

Contact: Mr. Bob Lee

Skype:bobo.lee2

Email:kcmspecialsteel@outlook.com

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ASTM A403 / ANSI B16.9 SS / WP / TP 304 / 304L, 316 / 316L, 310 / 310S Stainless Steel Butt Weld Elbow 45 degree 90 degree 180 degree Suppliers & Manufacturers & Stockist In China, contact us for 304 / 304L, 316 / 316L, 310 / 310S, 45 ° 90 ° 180 ° Seamless & Welded Stainless Steel Elbow with...

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Stainless Steel Pipe Suppliers - Kcm Special Steel

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Description

304 Stainless Steel Pipe

304 stainless steel pipe is a versatile stainless steel that is widely used in the manufacture of equipment and equipment that require good overall performance (corrosion resistance and molding).Stainless steel 304 is a brand of stainless steel manufactured according to the ASTM standard, the equivalent of 0Cr19Ni9 ( 0Cr18Ni9 ) stainless steel, contains ≥18% of chromium and ≥8% nickel.

Ss 304 is the most widely used stainless steel, heat resistant steel, practical steel, Chinese steel. Used for food production equipment, common chemical equipment, nuclear energy, etc.

CHINESE NAME: 304 Stainless Steel Pipe APPLICATIONS:SHIPBUIDING,OFFSHORE,CHEMICAL INDUSTRY,ETC

INTERNATIONAL NAME:TP 304 Stainless Steel Pipe SHAPE: ROUND,SQUARE,RECTANGULAR,HEX.

PERFORMANCE:STAINLESS METERIAL:TP304,SS304,304,STAINLESS STEEL 304

CATALOGUE:

1 economic role 2 use 3 in detail 4 process 5 differences and connections 6 classification

TP 304 / Ss304 Stainless Steel Pipe ECONNOMIC ROLE

TP 304/ Ss304 Stainless steel seamless pipe export is an important part of China's export economy, it plays an important role in stimulating China's economic growth, however, China's foreign trade of stainless steel, stainless steel of China's export met great resistance.

The TP 304/ Ss304 stainless steel pipe is used as a stainless steel tube and is used for the use of food equipment, general chemical equipment and equipment for the atomic energy industry.

The stainless steel rust resistance is stronger than the stainless steel materials of the 200 series. It is also good for high temperature, which can be up to 1000-1200 degrees. TP304/SS304 stainless steel has excellent corrosion resistance and good corrosion resistance.

304 stainless steel material has a strong resistance to corrosion in nitric acid, which is below the boiling temperature of less than 65%. Alkaline solution and most organic acids and inorganic acids also have good corrosion resistance.

Tp304/ ss304 Stainless Steel Pipe Od Tolerence.

ASTM A312 TP304/ Ss304 304 Stainless Steel Seamless Pipe / Welded Pipe CACULATOR:(OD-W)*W*0.02491=KG/METER OD=OUT DIAMETER W=WALL THICKNESS

TP304 / Ss304 304 Stainless Steel Pipe DETAILED INTRODUCTION:

Products according to ASTM A312 / ASTM A213 / ASTM A269

( fluid conveying stainless steel seamless steel tube ) stainless steel seamless tube ( boiler, stainless steel seamless steel tubes for heat exchanger ),

decorative welded stainless steel pipe ,

building decorative stainless steel welded pipe ( JG/T 3030-1995 ),

all pass strict examination, conform to the requirements of the national standard specifications material 321/1 304/

Mechanical properties of tp304/ss304 stainless steel seamless pipe:

TP304/ Ss304 304 Stainless Steel Pipe Excutive Standard:

For 304 stainless steel, the Ni element in its composition is very important, which directly determines the corrosion resistance of 304 stainless steel and its value.
The most important elements in 304 are Ni and Cr, but they are not limited to these two elements.

Specific requirements are specified by product standards. The common judgment in the industry is that as long as the Ni content is greater than 8% and the Cr content is greater than 18%, it can be considered as 304 stainless steel.

This is why the industry calls this type of stainless steel 18/8 stainless steel.

In fact, the relevant product standards have very clear regulations for 304, and these product standards have some differences for different shapes of stainless steel.

Below are some common product standards and tests.

To determine whether a material is 304 stainless steel, it must meet the requirements of each element in the product standard. As long as one does not meet the requirements, it cannot be called 304 stainless steel.

1、ASTM A276（Standard Specification for Stainless Steel Bars and Shapes）

2、ASTM A240（Chromium and Chromium-Nickel Stainless Steel Plate,Sheet, and Strip for Pressure essels and for General Applications）

3、JIS G4305（cold-rolled stainless steel plate, sheet and strip）

4、JIS G4303 （Stainless steel bars）

The above four standards are just a few common standards. In fact, there are more than these standards mentioned in ASTM and JIS 304.

In fact, each standard has different requirements for 304, so to determine whether a material is 304, the accurate expression should be whether it meets the 304 requirements in a product standard.

The material certificate generally needs to issue the following types of reports: detailed standard specification comparison: as of 2015-12-08

Tp304 / SS 304 304 Stainless Steel Pipe PRODCUTION PROCESS

COLD DRAWN ( TP304 / SS 304 304 Stainless Steel Pipe seamless pipe) :

The tp304 / ss 304 stainless steel seamless pipe is a brand of stainless steel manufactured according to the ASTM standard, 304 stainless steel pipe are equivalent to China's 0Cr19Ni9 (0Cr18Ni9) stainless steel pipe. 304 contains 18% of chromium and 8% nickel.

304 is the most widely used for stainless steel, the equipment for food, general chemical equipment, and the atomic energy industry.

SS 304 is a versatile stainless steel tube that is widely used to make equipment and parts that require good overall performance (corrosion resistance and molding).

304 is the most widely used stainless steel, heat resistant steel. Used in food production equipment, chemical equipment, nuclear power, etc.

tp304 / ss304 stainless steel pipe chemical composition specification C Si Mn P S Cr Ni (nickel) Mo

SUS304 less than or less than 0.08 is less than or equal to 1.00 or less than 0.03, or less than 0.05, 0.03, 18.00-20.00, 8.25 ~ 10.50

Classification of TP304/SS 304 stainless steel pipe has a lot of kinds, the first is the seamless pipe and ERW EFW pipe,

the second is the most basic classification structure with TP304/SS 304 stainless steel pipe and industrial fluid with TP304/SS 304 stainless steel pipe.

There is also a division of the national, Japanese and American standard

TP304 / Ss304 304 Stainless Steel Seamless & Welded Pipe In Stock

1/2"-16" SCH10 40 80

analysis of performance:

TP304 / SS 304 stainless steel pipe has good corrosion resistance, excellent corrosion performance and cold processing and stamping performance, which can be used as a heat-resistant stainless steel.

At the same time, the steel - 180 ℃ under the condition of the mechanical properties of this dismal disease.

The plastic, toughness and cold processing of steel in solid solution are good. The production and usage of 304 stainless steel are the largest and the most widely used steel types, which are resistant to corrosion in dielectric acid and atmosphere and water.

TP304 / SS304 stainless steel has a good cold and hot working performance, can be in all kinds of cold and hot working process,Heat treatment process

304 stainless steel pipe with solid solution treatment temperature of 1080-1100 ℃, cooling water or air cooling, Cold intermediate annealing temperature more than in 850-970 ℃, heat preservation water after a certain time.

After the solid solution, the tissue of the steel is the austenitic tissue, and sometimes there is a small amount of ferrite.

TP304 / SS304 stainless steel thin plate is used in the application process, often used in cold molding operation. Its cold molding performance is an important technical index to measure the success of the molding and yield.

304 Stainless Steel Pipe Applications:

1. SHIPBUILDING INDUSTRY

2. CHEMICAL INDUSTRY

3. WATER INDUSTRY

4. STEEL INDSUTRY

5. POWER STATION INDUSTRY

6. OIL&GAS INDSUCTRY

7. MARINE INDUSTRY

8. OFFSHORE&ONSHORE INDSUTRY

9. USE IN FOOD INDUSTRY

10. USE IN MEICAL INDSTURY

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304 STAINLESS STEEL PIPE SUPPLIERS ,MANUFACTURERS, STORE, WE CAN MANUFACTURING SEAMLESS AND WELDED ,OD:6-2000MM THICKNESS:0.5-60MM.PLS SEND UR REQUEST TO US FOR MORE DETAILS, GET AMAZING PRICE AND GOOD QUALITY 304 STAINLESS STEEL PIPE, PLS DON'T HESITATE!WE HAVE A LARGE QTY OF 304 STAINLESS...

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Stainless Steel Pipe Suppliers - Kcm Special Steel

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Description

321 STAINLESS STEEL PIPE

321 STAINLESS STEEL PIPE CONTAINS METERIAL 321,321H, WHICH IS GOST STANDARD METERIAL GRADE IS 08X18H10T, LET ME INTRODUCE IT AS FOLLOWS:

1: 321 stainless steel pipe. Seamless steel tube (ASTM A312/213 TP321/321H use in the manufacture of various structural low intermediate pressure

boiler superheated steam pipe, water pipe and locomotive boiler superheated steam pipe, pipes,

small pipe and arch brick works of high quality carbon structural steel hot rolling and cold drawing (rolling) seamless steel tube.

2: 321 stainless steel pipe: mainly use in the manufacture of high pressure and over pressure steam boiler pipes, etc. With high quality carbon structural steel,

alloy steel and stainless heat resistant steel seamless steel tube, these often under high temperature and high pressure boiler tube,

tube in high temperature flue gas and steam will happen under the action of oxidation and corrosion, so the steel pipe with high rupture strength,

high oxidation resistance, and have good organizational stability, hydraulic prop.

3: 321 stainless steel tubes are a kind of steel: like 304 321 316 317 310, etc

4: alloy steel pipe steel number 15MoG, 20MoG, 12CrMoG, 15CrMoG, 12Cr2MoG, 12CrMoVG, 12Cr3MoVSiTiB, etc.

In addition to the chemical composition and mechanical properties of 1Cr18Ni9 and 1Cr18Ni11Nb high pressure boilers, the hydraulic pressure test should be done by root, and the test will be expanded.

321 stainless steel pipe s deliver in heat treatment. In addition, there are certain requirements for the microstructure, grain size and decarburizing layer of finished steel tube.

A seamless steel tube for geological drilling and oil drilling. In order to ascertain the structure of underground strata, groundwater, oil, natural gas and mineral resources, the drill use to drill Wells.

Mining more from drilling, oil and gas geological drilling in oil drilling in seamless steel pipe is the main drilling equipment, mainly including core tube, core tube, casing, drill pipe, etc.

Because the drill pipe has to drill deep into the depth of several thousand meters, the 1cr5mo alloy pipe.

6: working condition is very complex, drill pipe under pull, pressure, bending, torsion and uneven impact load stress, but also by mud,

rocks and wear, therefore, requires tubing must have sufficient strength, hardness, wear resistance and impact toughness, steel pipe steel with

"DZ" pinyin "(geology) plus number one on behalf of the said steel yield point, common steel grade DZ45 MNB 45, 50 mn; DZ50 40 mn2, 40 mn2si; DZ55 40 mn2mo, 40 MNVB;

40 mnmob DZ60, DZ65 27 mnmovb. All steel pipes are delivered in heat treatment.

Oil cracking pipe: pipe, heat exchanger tube and tube for oil refinery. The products are made from high quality carbon steel (10, 20),

alloy steel (12CrMo, 15CrMo), heat resistant steel (12Cr2Mo, 15Cr5Mo), stainless steel (1Cr18Ni9, 1Cr18Ni9Ti).

7: 321 stainless steel pipe: with all kinds of stainless steel hot rolling and cold rolling stainless steel tube,

pipe widely use in petroleum, chemical industry equipment and various USES of the stainless steel structural parts,

in addition to ensure that the chemical composition and mechanical properties,

all steel pipe use as the fluid under pressure to keep the water pressure test. All special steel pipes shall be guaranteed according to the regulations.

Welding tube: also call welding tube, is made by bending and forming with steel or steel strip. The weld pipe divide into straight seam welded pipe and spiral welded pipe.

According to the application divide into general welded pipe, galvanized welded pipe, oxygen blowing metric welded pipe, welded pipe, wire casing, roller tube, deep well pump tube, 321 stainless steel tube, automobile use pipe, transformer, electric welding thin wall pipe, welded pipe and spiral welded pipe.

8; The stainless steel tube is a long strip of steel with hollow section and no seam.

The pipe has a hollow section and use as a conduit for conveying fluids such as oil, gas, gas, water and certain solid materials.

The seamless pipe divide into hot rolled tube, cold rolled tube, cold tube, extruded tube and top tube 16Mn seamless tube

321 STAINLESS STEEL PIPE OUT DIAMETER TOLERENCE AND TOLERENCE GRADE

AVAILABLE SIZES IN STOCK ROUND：￠6MM-￠219MM SQUARE:20*20-150*150MM RECTAGULAR;20*40-160*80

THE DIFFERENCE AND CONNECTION BETWEEN 304 AND 321 STAINLESS STEEL PIPE.

321 STAINLESS STEEL PIPE SEAMLESS AND WELDED AVAILABLE SIZES TO ARRANGE PRODUCTION:

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321 STAINLESS STEEL PIPE SUPPLIERS ,MANUFACTURERS, STORE, WE CAN MANUFACTURING SEAMLESS AND WELDED ,OD:6-2000MM THICKNESS:0.5-60MM.PLS SEND UR REQUEST TO US FOR MORE DETAILS, GET AMAZING PRICE AND GOOD QUALITY 304 STAINLESS STEEL PIPE, PLS DON'T HESITATE!WE HAVE A LARGE QTY OF 321 STAINLESS...

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Duplex & Stainless Steel Pipe Suppliers Fittings & Manufacturers in China: Amazing Price! All People Love It.

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Discover Premium 316 Stainless Steel Tubing Pipe | Duplex & Stainless Steel Pipe Suppliers Fittings & Manufacturers In China: Amazing Price! All People Love It.

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ASTM A269/ASTM A213 TP316 Stainless Steel Tubing Pipe Suppliers & Manufacturers in China, 316 Stainless Steel tube /pipe seamless & welded with high quality

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Stainless Steel Pipe Suppliers - Kcm Special Steel

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tp347h stainless steel pipe: chromium 18%, including nickel 11%

tp347h stainless steel pipe = 0Cr18Ni11Nb contains Nb, which increases the corrosion resistance of crystals and increases the strength and plasticity. Reduce the thickness of the material. As a structural strength component.

tp347h stainless steel pipe heat treatment: solid solution treatment (980-1150 ℃) cold fast

tp347h mechanical properties of austenitic steel of stainless steel tube with solid solution (GB/t4237-92)

Yield strength is greater than 205 / MPa, the tensile strength is greater than 520 / MPa, the elongation rate is greater than 35%, hardness test: HBS is less than 187, HRB is less than 90, HV is less than 200

tp347h stainless steel pipe chemical composition: C is less than 0.08, Si less than 1.00, Mn is less than 2.00, P is less than 0.035, S is less than 0.30, Ni = 9 ~ 13, Cr = 17.00 ~ 19.00, Nb is greater than 5 * C %

In air or chemical corrosion resistant to corrosion medium of a kind of high alloy steel, stainless steel is a beautiful surface and corrosion resistant performance is good, need not after surface treatment, such as color of plating and the surface of the stainless steel inherent performance, used in a variety of steel a, often called stainless steel. It represents the performance of 13 chrome steel, 18-8 chrome nickel steel.

From the perspective of metallography analysis, because the stainless steel containing chromium and make the surface form very thin chromium film, the film is isolated from intrusion in the steel corrosion of oxygen.

To maintain the corrosion resistance inherent in stainless steel, steel must contain more than 12 percent chromium.

KCM SPECIAL STEEL TP347H STAINLESS STEEL PIPE RELATED PRODUCTS:

● TP347H STAINLESS STEEL PIPE FITTINGS

● TP347H STAINLESS STEEL PIPE FLANGES

● TP347H STAINLESS STEEL SEAMLESS PIPES

● TP347H STAINLESS STEEL WELDED PIPES

● ● TP347H STAINLESS STEEL VALVES

TP347H STAINLESS STEEL PIPE CHEMICAL COMPOSITIONS:

Stainless steel 347 h

Name: austenitic stainless steel

Standard: AISI, ASTM

Model: 347 h.

UNS number: S34709

347H features and applications:

347H austenitic stainless steel with good corrosion resistance, welding performance and thermal performance. 347H stainless steel for the heat exchanger pipe of large boiler superheater, reheater, steam pipe and petrochemical.

The chemical composition of 347H:

Carbon C: 0.04 ~ 0.10

Mn Mn: less than 2.00

Silicon Si: less than 0.75

Cr: 17.0 ~ 19.0

Nickel Ni: 9.0 ~ 13.0

P: no less than 0.045

Sulfur S: less than 0.03

Niobium Nb: (8C ~ 1.00)

Note: the value of a single value is the highest unless otherwise indicated. When used for certain pipe processes, some models of austenitic stainless steel must be slightly higher than the number shown in the table. (3) random; The maximum amount is 0.10%; The maximum content is 0.75%; The maximum content is 0.70%

Our company also supplies the same kind of products: 347H, tp347H stainless steel pipe seamless welded,tp347h stainless steel pipe fittings,tp347h stainless steel pipe flanges

TP347H STAINLESS STEEL PIPE COMPONENT:

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Description

Nickel Alloy Inconel 625 Pipes & Fittings

Nickel Alloy Inconel 625 Pipes & Fittings has excellent corrosion resistance and oxidation resistance, from low temperature to 980 ℃ have good tensile properties and fatigue properties, and salt stress corrosion under the atmosphere. Therefore, it can be widely used in the manufacture of aircraft engine parts, aerospace structural components and chemical equipment and contact with sea water and bear high mechanical stress occasions.

Nickel Alloy Inconel 625 Pipes Corresponding grades at home and abroad:

Nickel Alloy Inconel 625 Supply Specifications:
Round bar, bar, sheet, pipe, seat, spheres, flanges and forgings
Nickel Alloy Inconel 625 Pipes & Fittings Chemical composition:
Nickel Alloy Inconel 625 Pipes & Fittings Physical properties:

Nickel Alloy Inconel 625 Pipes & Fittings Minimum mechanical properties of alloys at room temperature:

Nickel Alloy Inconel 625 Pipes & Fittings has the following features:

1. The corrosion and reduction of the environment of the various corrosive media have a very good anti-corrosion ability
2. Excellent resistance to pitting and crevice corrosion, and does not produce stress corrosion cracking due to chloride
3. Excellent resistance to inorganic acid corrosion, such as nitric acid, phosphoric acid, sulfuric acid, hydrochloric acid and sulfuric acid and hydrochloric acid mixed acid
4. Excellent resistance to various inorganic acid mixed solution corrosion
5. Temperature of 40 ℃, in a variety of concentrations of hydrochloric acid solution can show a good corrosion resistance
6. Good machinability and weldability, solderless cracking resistance
7. Manufacturing certification of pressure vessel with wall temperature of -196 ~ 450 ℃
8. Certified by the American Society of Corrosion Engineers NACE (MR-01-75) Highest Standard Grade VII for Acid Gas Environments

Inconel 625 metallographic structure:

Alloy 625 is a face-centered cubic lattice structure. When the temperature is about 650 ° C for a sufficient period of time, the carbon particles and the unstable quaternary phase are precipitated and converted into a stable Ni3 (Nb, Ti) orthorhombic lattice phase. The molybdenum and niobium components in the nickel-chromium matrix after solid solution strengthening will improve the mechanical properties of the material, but the plasticity will be reduced.

Nickel Alloy Inconel 625 Pipes & Fittings corrosion resistance:

Nickel Alloy Inconel 625 Pipes & Fittings in many media have shown excellent corrosion resistance. Has excellent resistance to pitting, crevice corrosion, intergranular corrosion and erosion in chloride media.

It Has a good resistance to inorganic acid corrosion, such as nitric acid, phosphoric acid, sulfuric acid, hydrochloric acid, etc., while in the oxidation and reduction environment also has alkali and organic acid corrosion performance. Effective resistance to chloride ion reduction stress corrosion cracking.

In the seawater and industrial gas environment almost no corrosion, the sea water and salt solution has a high corrosion resistance, the same is true at high temperatures. There is no sensitivity in the welding process. In a static or recycling environment are resistant to carbonation and oxidation, and resistance to chlorine-containing gas corrosion.

Nickel Alloy Inconel 625 Pipes & Fittings process performance and requirements:

Thermal processing

1. Hot processing temperature range 1150 ℃ ~ 900 ℃, cooling method for water quenching or other rapid cooling.
2. For optimum performance and corrosion resistance, annealing is performed after hot working.
3. Heating, the material can be directly into the temperature has been the highest temperature of the furnace, the insulation for a sufficient time (100mm thickness required 60 minutes holding time) quickly baked in the specified temperature range of high temperature processing. When the material temperature falls below the hot working temperature, need to reheat.

Nickel Alloy Inconel 625 Pipes & Fittings Cold working

1. Cold processing material should be annealed, the processing hardening rate than austenitic chrome-nickel stainless steel.
2. Cold work, the need for intermediate annealing.
3. When the processing capacity is greater than 15%, the thermal processing to be followed by annealing.

Nickel Alloy Inconel 625 welding process

1. Suitable for welding with any conventional welding process.
2. The material to be welded should be solid solution, remove the scale, oil and a variety of markings.
3. Heat treatment is no longer required before and after welding.

Nickel Alloy Inconel 625 Pipes & Fittings Applications Applications are:

Softened annealed low-carbon Nickel Alloy Inconel 625 Pipes & Fittingswidely used in the chemical process industry, better corrosion resistance and high strength so that it can be used as thin structural parts. Nickel Alloy Inconel 625 Pipes & Fittingscan be used in contact with sea water and withstand high mechanical stress occasions. Typical application areas:

1. A component of an organic chemical process process containing chloride, especially in the case of an acidic chloride catalyst
2. A digester and bleach tank for the pulp and paper industry
3. Absorption tower in flue gas desulfurization system, reheater, flue gas inlet baffle, fan (wet), stirrer, baffle and flue
4. Used in the manufacture of equipment and components for use in acidic gas atmospheres
5. Acetic acid and acetic anhydride reaction generator
6. Sulfuric acid condenser

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Nickel Alloy Inconel 625 Pipes And Fittings

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Nickel Alloy Inconel 625 Pipes & Fittings has excellent corrosion resistance and oxidation resistance, from low temperature to 980 ℃ have good tensile properties and fatigue properties, and salt stress corrosion under the atmosphere. Therefore, it can be widely used in the manufacture of aircraft engine parts, aerospace structural components and chemical equipment and contact with sea water and bear high mechanical stress occasions.

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Description

Nickel Alloy Inconel 718 Pipes And Fittings is a precipitation-enhanced nickel-based high temperature and high strength alloy

Nickel Alloy Inconel 718 Pipes And Fittings has good comprehensive properties in the temperature range of -253 ~ 700 ℃, the yield strength of 650 ℃ or less is the first in the deformation superalloy, and has good anti-fatigue, anti-radiation, anti-oxidation, corrosion resistance, and good Processing performance, welding performance and long-term organizational stability, to create a variety of complex parts of the shape, in the aerospace, nuclear energy, oil industry, in the temperature range has been a very wide range of applications.
Another feature of the alloy is that the microstructure of the alloy is particularly sensitive to the hot processing technology, master the alloy phase precipitation and dissolution of the law and the organization and process, the relationship between the performance can be used for different requirements to develop a reasonable and feasible process, You can get to meet the different levels of strength and the use of various requirements of the parts.

Nickel Alloy Inconel 718 Pipes And Fittings domestic and foreign counterparts Grade:

Nickel Alloy Inconel 718 Pipes And Fittings Supply Specifications:
Round bar, bar, strip, pipe, seat, spheres, flanges and forgings

Nickel Alloy Inconel 718 Pipes And Fittings Chemical composition:

Nickel Alloy Inconel 718 Pipes And Fittings Physical properties:

Nickel Alloy Inconel 718 Pipes And Fittings The minimum mechanical properties of alloys at room temperature:

Nickel Alloy Inconel 718 Pipes And Fittings has the following features:

1. Easy processing
2. High tensile strength, fatigue strength, creep resistance and breaking strength at 700 ℃
3. High oxidation resistance at 1000 ° C
4. Stable chemical properties at low temperatures
5. Good welding performance

Nickel Alloy Inconel 718 Pipes And Fittings metallographic structure:

718 alloy is austenitic structure, and the γ-phase formed by precipitation hardening has excellent mechanical properties, and the δ phase generated at the grain boundary during the heat treatment has the best plasticity.
Nickel Alloy Inconel 718 Pipes And Fittings corrosion resistance:
Whether in high temperature or low temperature environment, 718 alloy has excellent resistance to stress cracking and pitting ability. 718 alloy in the high temperature oxidation resistance is particularly good.

Nickel Alloy Inconel 718 Pipes And Fittings process performance and requirements:

Thermal processing
The appropriate hot working temperature is 1120-900 ℃, the cooling method can be water quenching or other rapid cooling method, after hot processing should be promptly annealed to ensure the best performance. Heat treatment materials should be heated to the upper limit of processing temperature, in order to ensure the plastic processing, deformation of 20% of the final processing temperature should not be less than 960 ℃.
Cold working
The cold working should be carried out after the solution treatment, the work hardening rate is greater than the austenitic stainless steel, so the processing equipment should be adjusted accordingly, and in the cold process should be intermediate annealing process
Nickel Alloy Inconel 718 Pipes And Fittings welding process
Alloy with a satisfactory welding performance, available argon arc welding, electron beam welding, seam welding, spot welding and other methods of welding.
Inconel718 parts heat treatment process
Heat treatment of aerospace parts is usually carried out according to the standard heat treatment system and the direct aging heat treatment system.

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Nickel Alloy Inconel 718 Pipes And Fittings

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Nickel Alloy Inconel 718 Pipes And Fittings has good comprehensive properties in the temperature range of -253 ~ 700 ℃, the yield strength of 650 ℃ or less is the first in the deformation superalloy, and has good anti-fatigue, anti-radiation, anti-oxidation, corrosion resistance, and good Processing performance, welding performance and long-term organizational stability, to create a variety of complex parts of the shape, in the aerospace, nuclear energy, oil industry, in the temperature range has been a very wide range of applications.

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Nickel Alloy Incoloy 800H Pipes And Fittings | Stainless Steel Pipe Suppliers

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Description

Nickel Alloy INCOLOY 800HT Pipes and Fittings, Tubes: Technical Specifications and Applications

Introduction to INCOLOY® 800HT

INCOLOY® 800HT (UNS N08811) is a high-performance nickel-iron-chromium alloy engineered for extreme temperature and corrosive environments. Renowned for its superior oxidation resistance, creep strength, and thermal stability, it is widely utilized in industries such as petrochemicals, power generation, and aerospace. The alloy's composition-enhanced with controlled carbon, aluminum, and titanium levels-ensures longevity in applications exceeding 1500°F (816°C). Products like Nickel Alloy 800HT Pipes, Tubes, and Fittings comply with ASTM, ASME, and DIN standards, guaranteeing reliability under high-stress conditions.

‌ Nickel Alloy INCOLOY® 800HT Pipe‌ is an austenitic Ni-Cr-Fe alloy pipe (Ni 30-35%, Cr 19-23%, C 0.06-0.10%) per ‌ ASTM B407/B409 ‌, optimized for high-temperature (≤1100°C) and high-pressure applications (e.g., nuclear steam pipes, petrochemical cracking furnaces) with enhanced creep resistance‌.

Nickel Alloy INCOLOY® 800HT Tube‌ is an austenitic Ni-Cr-Fe alloy (Ni 30-35%, Cr 19-23%, C ≤0.10%) conforming to ‌ ASTM B407/B409 ‌‌, designed for high-temperature (≤1100°C) and high-pressure applications (e.g., petrochemical cracking furnaces, nuclear systems) with enhanced creep resistance and oxidation/carburization resistance‌.

‌‌ Nickel Alloy INCOLOY® 800HT Pipe Fittings‌ are specialized connectors (e.g., elbows, tees, flanges) fabricated from austenitic Ni-Cr-Fe alloy (Ni 30-35%, Cr 19-23%, C 0.06-0.10%) per ‌ ASTM B366/B407 ‌‌, designed for critical high-temperature (≤1100°C) and high-pressure systems (petrochemical cracking furnaces, nuclear steam lines) to maintain structural integrity with enhanced creep resistance, oxidation/carburization stability, and corrosion resilience‌.
Table 1: Global Designations for INCOLOY® 800HT
Nickel Alloy INCOLOY 800HT Pipes and Fittings Chemical Composition

The chemical composition of INCOLOY® 800HT is critical to its performance. Key elements include:

‌Nickel (30-35%)‌: Enhances ductility and resistance to chloride stress corrosion.

‌Chromium (19-23%)‌: Provides oxidation resistance in high-temperature atmospheres.

‌Iron (≥39.5%)‌: Forms the alloy's structural base.

‌Carbon (0.06-0.10%)‌, ‌Aluminum (0.15-0.60%)‌, ‌Titanium (0.15-0.60%)‌: Stabilize the microstructure against thermal degradation.

Table 2: Full Chemical Composition of INCOLOY® 800HT(UNS N08811)
Key Observations:

1. ‌Aluminum + Titanium‌: Combined content optimized to ‌0.85-1.20%‌ for enhanced carbide stability.

2. ‌Cobalt (Co)‌: Restricted to ‌≤0.01%‌ for nuclear-grade applications.

3. ‌Impurity Control‌: Mn, Si, S, P, and Cu are minimized to improve weldability and corrosion resistance.

Nickel Alloy INCOLOY 800HT Pipes and Fittings Mechanical Properties

INCOLOY® 800HT outperforms standard austenitic stainless steels and nickel alloys in high-temperature mechanical strength. Key properties include:

‌Tensile Strength‌: 85-110 ksi (586-758 MPa) at room temperature.

‌Yield Strength‌: 35-45 ksi (241-310 MPa).

‌Elongation‌: 30-45% in 2 inches.

‌Creep-Rupture Strength‌: 10,000+ hours at 1200°F (649°C).

Table 3: Mechanical Properties of INCOLOY® 800HT at Elevated Temperatures
Nickel Alloy INCOLOY 800HT Pipes and Fittings Physical Properties

The alloy's physical characteristics ensure reliability in thermal cycling environments:

‌Density‌: 0.29 lb/in³ (8.03 g/cm³).

‌Melting Range‌: 2500-2600°F (1371-1427°C).

‌Thermal Expansion Coefficient‌: 14.4 µm/m·°C (20-1000°C).

‌Thermal Conductivity‌: 11.2 BTU·in/hr·ft²·°F (20°C).

Figure 1: Line graph comparing INCOLOY® 800HT vs. 304L, 316L, and Alloy 600.
Comparative Analysis of INCOLOY 800HT vs. 304L, 316L, and Alloy 600: Performance in High-Temperature and Corrosive Environments‌

‌ Introduction‌
INCOLOY® 800HT, a nickel-iron-chromium alloy, is widely recognized for its superior performance in high-temperature and corrosive environments. This article compares its properties with three commonly used alloys-304L stainless steel, 316L stainless steel, and Alloy 600-to highlight key differences in mechanical strength, oxidation resistance, and corrosion behavior. The analysis is based on the line graph data shown in Figure 1, which illustrates performance trends across varying temperatures and conditions.

1. ‌High-Temperature Strength‌

‌INCOLOY® 800HT‌: Excels in elevated-temperature applications (up to 1500°F/815°C) due to its high nickel (30-35%) and chromium (19-23%) content. Its carbide-strengthened structure ensures excellent creep resistance and thermal stability.

‌304L/316L Stainless Steel‌: Limited to lower temperatures (<800°F/427°C). Both alloys suffer from significant strength loss and scaling at higher temperatures.

‌Alloy 600‌: Performs well up to 1200°F (649°C) but lacks the carbides in INCOLOY® 800HT, resulting in lower creep rupture strength.

2. ‌Oxidation Resistance‌
INCOLOY® 800HT forms a protective chromium oxide layer, outperforming 304L and 316L in oxidizing atmospheres. Alloy 600 shows comparable oxidation resistance but degrades faster in sulfur-containing environments.

3. ‌Corrosion Resistance‌

‌304L‌: Susceptible to chloride stress corrosion cracking (SCC).

‌316L‌: Improved SCC resistance due to molybdenum (2-3%) but still unsuitable for harsh acidic or marine environments.

‌INCOLOY® 800HT‌: Resists pitting, SCC, and carburization in reducing and oxidizing media.

‌Alloy 600‌: Excellent in chloride and alkaline environments but vulnerable to sulfidation.

‌ Key Performance Metrics ‌

‌ Tabulated Comparison ‌

‌ Discussion ‌

‌Temperature Stability‌: INCOLOY® 800HT maintains tensile strength at temperatures where 304L and 316L drop sharply.

‌Corrosion Rates‌: INCOLOY® 800HT and Alloy 600 show lower corrosion rates in acidic environments compared to stainless steels.

‌Economic Considerations‌: While INCOLOY® 800HT and Alloy 600 are costlier, their extended service life in extreme conditions justifies the investment.

The line graph in Figure 1 reinforces these trends:

‌ Conclusion ‌

INCOLOY® 800HT is the optimal choice for applications requiring long-term thermal stability, such as furnace components, heat exchangers, and petrochemical processing equipment. For lower-temperature or less corrosive environments, 304L or 316L offer cost-effective solutions. Alloy 600 remains a niche candidate for alkaline or chloride-rich settings but lacks the versatility of INCOLOY® 800HT.
Note: Specific data points from Figure 1 (e.g., creep curves, corrosion rates) should be added to the table or text if numerical values are available.
This comparison underscores the importance of material selection tailored to operational demands, balancing performance, longevity, and budget.

‌Nickel Alloy INCOLOY 800HT Pipes and Fittings vs. INCOLOY® 800H : A Comprehensive Comparison with Key Advantages of NICKEL ALLOY INCOLOY 800HT‌

‌ Introduction ‌

Nickel alloys are critical for industries demanding exceptional resistance to extreme temperatures, corrosion, and mechanical stress. Among these, ‌ NICKEL ALLOY INCOLOY 800HT PIPES AND FITTINGS‌ and ‌ INCOLOY® 800H PIPES AND FITTINGS‌ are widely used in applications ranging from petrochemical processing to power generation. While both alloys share similarities in their base composition, ‌ NICKEL ALLOY 800HT‌ is engineered for superior performance in ultra-high-temperature environments. This article delves into their differences, highlights the unique advantages of ‌ NICKEL ALLOY INCOLOY 800HT PIPES AND FITTINGS ‌, and provides detailed comparisons through tables.

Nickel Alloy INCOLOY 800HT Pipes and Fittings&INCOLOY® 800H Chemical Composition and Material Design‌

Both alloys belong to the nickel-iron-chromium family but differ in carbon content and thermal processing.

Nickel Alloy INCOLOY 800HT Pipes and Fittings&‌INCOLOY® 800H ‌Physical and Mechanical Properties‌

Both alloys share identical ‌ density values of 7.95 g/cm³‌ (2% of total content), making them lightweight yet robust for high-stress applications. However, ‌ NICKEL ALLOY INCOLOY 800HT PIPES AND FITTINGS ‌ outperform INCOLOY® 800H in critical mechanical properties.

1. ‌ Superior High-Temperature Performance ‌

‌Creep Resistance‌: The solution-annealed structure of ‌INCOLOY 800HT PIPE‌ minimizes grain boundary sliding, making it ideal for boilers, reformers, and furnace components.

‌Oxidation Resistance‌: Chromium content forms a protective oxide layer, reducing scaling at temperatures up to 1500°F.

2. ‌ Enhanced Corrosion Resistance ‌

Resists carburization, sulfidation, and chloride stress corrosion cracking (SCC), outperforming ‌INCOLOY® 800H‌ in cyclic thermal environments.

3. ‌ Long-Term Durability ‌

‌NICKEL ALLOY 800HT PIPE FITTINGS‌ maintain mechanical integrity over decades in aggressive industrial settings, reducing maintenance costs.

‌Key Advantages of ASTM B407 UNS N08811 Seamless NICKEL ALLOY INCOLOY® 800HT PIPES AND FITTINGS‌

Nickel Alloy 800HT Pipe&Fittings Applications Comparison vs.‌INCOLOY® 800H‌

‌Cost and Fabrication‌

‌Conclusion‌

‌ NICKEL ALLOY INCOLOY 800HT PIPES AND FITTINGS‌ stand out as the premier choice for applications demanding unparalleled high-temperature strength, corrosion resistance, and microstructural stability. While ‌ INCOLOY® 800H‌ remains cost-effective for moderate environments, the advanced thermal processing and optimized composition of ‌ NICKEL ALLOY 800HT‌ ensure dominance in critical sectors. Engineers prioritizing performance over initial cost will find ‌ INCOLOY 800HT PIPE ‌ systems indispensable for sustainable, high-efficiency operations.

‌ INCOLOY® 800HT vs. INCOLOY® 800 Pipes and Fittings: A Technical Comparison with Focus on NICKEL ALLOY INCOLOY 800HT Advantages ‌

‌Introduction‌

INCOLOY® alloys are critical in industries requiring materials that withstand extreme temperatures, corrosive environments, and mechanical stress. Among these, ‌ NICKEL ALLOY INCOLOY 800HT PIPES AND FITTINGS‌ and ‌ INCOLOY® 800 PIPES AND FITTINGS‌ are widely used in applications ranging from petrochemical plants to nuclear reactors. While both alloys share a similar base composition, ‌ INCOLOY® 800HT‌ is specifically engineered for superior performance in ultra-high-temperature environments. This article provides a detailed comparison of these two materials, emphasizing the unique advantages of ‌ NICKEL ALLOY INCOLOY 800HT PIPES AND FITTINGS ‌ through technical data, tables, and real-world applications.

‌Chemical Composition and Material Design‌

The key differences between ‌ INCOLOY® 800HT‌ and ‌ INCOLOY® 800 ‌ lie in their carbon content and heat treatment processes, which directly influence their high-temperature stability.

‌Table 1: Chemical Composition Comparison‌

‌Mechanical and Physical Properties‌

‌Density‌

Both alloys share identical ‌ density values of 7.95 g/cm³ ‌ (2% of total content), making them lightweight yet durable for high-stress applications.

‌Table 2: Mechanical Properties‌

‌High-Temperature Performance‌

‌Table 3: Creep and Oxidation Resistance‌

‌NICKEL ALLOY 800HT PIPE FITTINGS‌: Used in ethylene cracker tubes, pyrolysis furnaces, and superheater systems.

‌INCOLOY® 800 PIPES‌: Suited for low-to-moderate temperature applications like heat exchangers and steam lines.

‌ Key Applications ‌:

‌Corrosion Resistance‌

‌Table 4: Corrosion Performance in Aggressive Environments‌

‌ Why Choose NICKEL ALLOY 800HT?‌
Its refined grain structure and stabilized composition provide superior resistance to sulfidation, chloride-induced stress corrosion cracking (SCC), and carburization.

‌Applications Comparison‌

‌Table 5: Industry-Specific Uses‌

‌ Dominance of INCOLOY 800HT‌:
Unmatched performance in ultra-high-temperature and corrosive environments makes it irreplaceable in critical applications.

‌Fabrication and Cost Analysis‌

‌Table 6: Fabrication and Economics‌

‌ PWHT = Post-Weld Heat Treatment*‌

‌Conclusion‌

‌ NICKEL ALLOY INCOLOY 800HT PIPES AND FITTINGS‌ are the superior choice for applications demanding extreme temperature resistance, prolonged creep strength, and exceptional corrosion resistance. While ‌ INCOLOY® 800 PIPES AND FITTINGS‌ remain cost-effective for moderate environments, the advanced material design of ‌ INCOLOY 800HT‌ ensures reliability in critical, high-stress operations. Engineers prioritizing performance and longevity will find ‌ NICKEL ALLOY 800HT PIPE ‌ systems indispensable for achieving operational efficiency and safety in demanding industries.

Applications of INCOLOY® 800HT Pipes, Tubes, and Fittings

Ethylene cracking furnace tubes.

Reformer and hydroprocessing components.
‌2. Power Generation‌:

Superheaters, boilers, and steam headers.

Gas turbine exhaust systems.
‌3. Aerospace‌:

Combustor liners and afterburner parts.
‌4. Nuclear Energy‌:

Heat exchanger tubing in advanced reactors.

Table 4: Application-Specific Performance Metrics
‌ 1. Petrochemical Industry ‌:

Manufacturing Standards and Dimensions

‌ASTM B407/B163‌: Seamless pipes (0.5-24 inches OD) and tubes (0.125-5 inches OD).

‌ASME SB407/SB163‌: Compliance for pressure vessel use.
‌Fittings‌:

‌ASTM B366‌: Butt-weld fittings (elbows, tees, reducers).

‌ASME B16.9/B16.11‌: Dimensional standards for forged/threaded fittings.

Table 5: Standard Dimensions for INCOLOY® 800HT Products
‌ Pipes and Tubes ‌:

1. ‌Extended Service Life‌: Resists carburization, sulfidation, and oxidation.

2. ‌Cost Efficiency‌: Reduced downtime and replacement frequency.

3. ‌Weldability‌: Compatible with TIG/MIG processes using ERNiCr-3 filler.

4. ‌Versatility‌: Suitable for both oxidizing and reducing atmospheres.

Advantages Over Competing Alloys

Summary

INCOLOY® 800HT Pipes, Tubes, and Fittings are indispensable in high-temperature industrial applications. Their optimized chemistry, adherence to global standards, and exceptional mechanical properties ensure reliability in critical environments. By leveraging superior creep strength and corrosion resistance, these components reduce operational costs and enhance safety.

FAQs

‌ Q1: What is the difference between INCOLOY® 800H and 800HT?‌
A: 800HT has a higher carbon content (0.06-0.10% vs. 0.05-0.10% for 800H) and stricter controls on aluminum/titanium ratios for improved creep resistance.

‌ Q2: Can INCOLOY® 800HT Fittings be used in sulfuric acid environments?‌
A: Limited resistance; recommended for neutral/alkaline conditions. For highly acidic environments, consider alloys like Hastelloy® C-276.

‌ Q3: What is the maximum operating temperature for INCOLOY® 800HT Tubes?‌
A: Continuous service up to 1500°F (816°C); short-term exposure up to 1800°F (982°C).

‌ Q4: Are these products compliant with nuclear safety standards?‌
A: Yes, INCOLOY® 800HT is used in ASME Section III-approved nuclear applications.

‌ Q5: How to mitigate intergranular corrosion in welded joints?‌
A: Post-weld heat treatment (PWHT) at 1750°F (954°C) restores corrosion resistance by homogenizing the microstructure.

‌KCM SPECIAL STEEL Customer Cases and Feedback for Nickel Alloy INCOLOY® 800HT Pipes and Fittings

‌

‌Background‌: An international energy group faced severe corrosion from high concentrations of H₂S and chloride ions in deep-sea oilfield development, leading to frequent failures of conventional piping systems.

‌Solution‌: KCM SPECIAL STEEL supplied ‌NICKEL ALLOY INCOLOY 800HT PIPES AND FITTINGS‌, utilizing ultra-pure smelting technology (P ≤ 0.010%, S ≤ 0.005%) and corrosion-resistant material design to control intergranular brittle phases.

‌Results‌:

Service life of pipes extended to ‌15+ years‌, a ‌50% improvement‌ over the original INCOLOY 800H solution.

‌30% higher creep resistance‌ at 1500°F (815°C) compared to industry standards, reducing client equipment downtime by ‌70%‌.

‌Customer Feedback‌:

"KCM's INCOLOY 800HT pipes demonstrated exceptional performance in extreme corrosive conditions, cutting our project payback period to just 3 years."
- Technical Director, Deep-Sea Offshore Platform.

‌Case 1: Deep-Sea Oil & Gas Exploration with Nickel-Based Alloy Pipes and Fittings‌

‌Background‌: A nuclear power plant required upgrades to its reactor cooling system, demanding materials with high radiation tolerance and long-term thermal stability.

‌Solution‌: KCMSS delivered ‌ALLOY 800HT PIPE‌, processed via Vacuum Arc Remelting (VAR) to reduce inclusions (total inclusion level ≤ 2.0) and optimized heat treatment (2100°F rapid cooling) to stabilize austenitic microstructure.

‌Results‌:

‌45% reduction‌ in lattice distortion under radiation, extending fuel cycle intervals to ‌20 years‌.

Welded joints passed ‌1,000-hour high-temperature creep tests‌ with no crack propagation.

‌Customer Feedback‌:

"KCMSS's innovative manufacturing processes significantly enhanced system reliability, fully meeting nuclear safety Level 3 standards."
- Chief Engineer, Nuclear Power Engineering.

‌Case 2: Nuclear Reactor Cooling System with Specialty Stainless Steel Pipes‌

‌Background‌: An aerospace manufacturer needed combustion chamber liners resistant to 1300°C (2372°F) temperatures, as traditional materials suffered from oxidative spalling.

‌Solution‌: KCMSS provided ‌INCOLOY 800HT PIPE FITTINGS‌, manufactured with high-uniformity rolling (aspect ratio ≤ 1.20) and surface aluminizing to enhance oxidation resistance.

‌Results‌:

Component lifespan under cyclic thermal loads reached ‌5,000 hours‌, a ‌120% improvement‌ over previous designs.

‌15% weight reduction‌ contributed to the client's fuel efficiency optimization goals.

‌Customer Feedback‌:

"KCMSS's precision engineering and material expertise ensured seamless compliance with aviation certification requirements."
- Head of Aerospace Materials R&D.

‌Case 3: Aerospace High-Temperature Alloy Precision Components‌

1. ‌Technical Advantages‌:

‌Ultra-Pure Smelting‌: Impurity control at PPB levels, ideal for nuclear, semiconductor, and high-precision industries.

‌Digital Twin Process Optimization‌: AI-driven models predict melting parameters, achieving ‌98% product yield‌.

2. ‌Quality Control‌:

Full-process nondestructive testing (ultrasonic, magnetic particle) with ‌≥99.5% defect detection rate‌.

Mechanical property variation within batches ≤5%, exceeding ASTM standards.

3. ‌Customer Testimonials‌:

"KCM's rapid response and customization slashed our R&D cycle by ‌40%‌."
- Automotive Component Supplier.

"A decade of collaboration with zero quality incidents-KCM is our strategic partner."
- European Energy Equipment Manufacturer.

‌Supplier Capabilities and Market Recognition‌

‌Conclusion‌

KCM SPECIAL STEEL has established industry benchmarks in energy, aerospace, and nuclear sectors through innovations like the ‌ INCOLOY 800HT series ‌ and advanced manufacturing techniques (ultra-pure smelting, digital twin optimization). Its technical superiority in creep resistance, corrosion protection, and radiation stability, combined with rigorous quality assurance systems (full-process inspection), has earned global recognition from high-end clients.

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NICKEL ALLOY PIPE AND FITTINGS | Duplex & Stainless Steel Pipe Suppliers Fittings & Manufacturers In China: Amazing Price! All People Love It.

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NICKEL ALLOY PIPE AND FITTINGS SUPPLIERS,MANUFACTURERS,STOCKHOLDER IN CHINA NICKEL ALLOY PIPE AND FITTINGS ARE INCLUDING NICKEL ALLOY PIPES,NICKEL ALLOY TUBES, NICKEL ALLOY PIPE FITTINGS.IS WIDELY US IN MANY INDUSTRY AREAS, IF U ARE IN THE MARK OF NICKEL ALLOY PIPE AND FITTINGS, U CAN CONTACT US FOR AMAZING PRICE AND HIGH QUALITY PRODUCTS. NICKEL ALLOY PIPE AND FITTINGS MAIN METERIAL: 1. ‌Nickel-Chromium Alloys‌ ‌Trade Names‌: ‌Inconel® 600‌ (UNS N06600): Ni-Cr-Fe, high-temperature oxidation resistance. ‌Inconel® 625‌ (UNS N06625): Ni-Cr-Mo-Nb, corrosion and creep resistance. ‌Nimonic® 75‌ (UNS N06075): Ni-Cr-Ti, gas turbine components. ‌Hastelloy® X‌ (UNS N06002): Ni-Cr-Fe-Mo, extreme heat resistance. 2. ‌Nickel-Iron-Chromium Alloys‌ ‌ASTM/AMS Designations‌: ‌A-286‌ (UNS K66286 / AMS 5525): Fe-Ni-Cr-Mo-Ti, high-strength aerospace applications. ‌Incoloy® 800‌ (UNS N08800): Fe-Ni-Cr, heat exchangers and furnace parts. ‌Incoloy® 825‌ (UNS N08825): Ni-Fe-Cr-Mo-Cu, acid-resistant chemical equipment. 3. ‌Nickel-Copper Alloys‌ ‌Trade Names‌: ‌Monel® 400‌ (UNS N04400): Ni-Cu, marine and chemical processing. ‌Monel® K-500‌ (UNS N05500): Ni-Cu-Al-Ti, high-strength seawater applications. 4. ‌Nickel-Aluminum Intermetallics‌ ‌Examples‌: ‌Nickel Aluminide (Ni₃Al)‌: Often used in coatings or high-temperature structural components. 5. ‌Nickel-Cobalt-Chromium Alloys‌ ‌Trade Names‌: ‌Waspaloy®‌ (UNS N07001 / AMS 5544): Ni-Co-Cr-Mo-Ti, jet engine turbine blades. ‌Haynes® 25 (L605)‌: Co-Ni-Cr-W, high-temperature aerospace alloys. 6. ‌Copper-Nickel Alloys‌ ‌ASTM/UNS Designations‌: ‌Cupronickel 90-10‌ (UNS C70600): 90% Cu-10% Ni, seawater condenser tubes. ‌Cupronickel 70-30‌ (UNS C71500): 70% Cu-30% Ni, marine heat exchangers. NICKEL ALLOY PIPE & FITTINGS Key Standards: ‌ASTM B163‌: Seamless nickel alloy tubes. ‌AMS 5540‌: Sheet/strip for Monel® 400. ‌UNS (Unified Numbering System)‌: Prefix “N” for nickel alloys (e.g., N06600). These alloys are widely used in aerospace, chemical processing, energy, and marine industries for their exceptional performance in extreme environments. KCM SPECIAL STEEL CO.,LTD OFFERING NICKEL ALLOY PIPE AND FITTINGS PRODUCTS: ● NICKEL ALLOY PIPES -SEAMLESS PIPE -WELDED PIPE -SEAMLESS TUBE - WELDED TUBE ● NICKEL ALLOY PIPE FITTINGS -ELBOW - TEE - REDUCER - CROSS - CAP -STUB ENDS ● NICKEL ALLOY PIPE FLANGES -WN FLANGE -SO FLANGE -LAP J FLANGE -BL FLANGE -SW FLANGE NICKEL ALLOY PIPE AND FITTINGS EXCUTIVE STANDARD AND SIZES: STANDARD:ASTM,ASME,AISI,DIN,JIS,EN,GOST,GB,ETC. SIZES: OD:6-2000MM WT:1-50MM NICKEL ALLOY PIPE AND FITTINGS FEATURES Nickel alloy pipe and fittings has good welding performance, compared with the ferritic stainless steel and austenitic stainless steel, it is neither like ferritic stainless steel weld heat affected zone, as grain coarsening and make the plastic toughness sharply lower, also don’t like austenitic stainless steel, the welding thermal crack is more sensitive. Nickel alloy pipe and fittings because of its special advantages, is widely used in petroleum chemical industry equipment, water and waste water treatment equipment, oil gas transmission pipeline, paper making machinery and other industrial areas, has also been used for bridge bearing structure field in recent years, has the very good development prospect. The Nickel alloy pipe and fittings is half of the ferritic and austenitic elements in its solid quenched tissue, and the normal minimum phase of the phase may be up to 30% Compared with austenitic stainless steel, the advantages of Nickel alloy pipe and fittings (1) the yield strength is more than twice as high as the average austenitic stainless steel, and it has the flexibility to be molded. It is helpful to reduce the cost by using a Nickel-alloy tank or pressure vessel with a thickness of 30 to 50% less than the usual austenitic body. (2) has excellent resistance to stress corrosion cracking ability, even the lowest of duplex stainless steel alloy content than austenitic stainless steel has a higher resistance to stress corrosion cracking ability, especially in the environment of the chlorine ion. Stress corrosion is an outstanding problem that ordinary austenitic stainless steel is difficult to solve. (3) the most widely used in many medium of nickel alloy corrosion resistance is superior to the ordinary 316 l austenitic stainless steel, and nickel alloy has high corrosion resistance, and then some medium, such as acetic acid, formic acid and even can take the place of austenitic stainless steel, high alloy and corrosion resistant alloy. (4) has a good resistance to local corrosion performance, compared to the alloy content quite austenitic stainless steel, its wear resistance corrosion and corrosion fatigue performance is better than that of austenitic stainless steel. (5) lower than the linear expansion coefficient of austenitic stainless steel and carbon steel, suitable for connecting with carbon steel, has important engineering significance, such as production of composite panels or lining, etc. (6) no matter under the condition of dynamic load and static load, than austenitic stainless steel has higher energy absorption capacity, the structure to cope with sudden accidents such as collision, explosion, etc., obvious advantages, duplex stainless steel has practical application value.

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"SUPER DUPLEX 2507 STAINLESS STEEL PIPE" has been added to your cart. Continue shopping

Stainless steel valves control fluid flow in pipelines using corrosion-resistant alloys. Common grades include 304 (UNS S30400), 316 (UNS S31600), and duplex steels (e.g., UNS S32205). They withstand harsh environments like high temperatures, acidic fluids, and saline exposure.

Stainless Steel Valves ‌Key Advantages‌

1. ‌Corrosion Resistance‌: Chromium (≥10.5%) forms a passive oxide layer, preventing rust. Ideal for seawater, chemicals, and food processing.

2. ‌Durability‌: High tensile strength (500-800 MPa) ensures longevity under pressure.

3. ‌Hygiene‌: Non-porous surface resists bacterial growth, critical for pharmaceuticals and dairy.

4. ‌Temperature Tolerance‌: Operates from -200°C to 900°C, suitable for cryogenics and steam systems.

‌Stainless Steel Valves Applications‌

‌Oil & Gas‌: Offshore platforms, refinery pipelines.

‌Chemical Plants‌: Handling acids, alkalis, and solvents.

‌Water Treatment‌: Chlorine-resistant in desalination systems.

‌Food/Beverage‌: FDA-compliant valves for sanitization.

‌Types of Stainless Steel Valves‌

1. ‌Ball Valves‌: Quick shut-off; 316L for marine use.

2. ‌Gate Valves‌: Full-bore flow; duplex steel for high-pressure oil.

3. ‌Butterfly Valves‌: Compact design; 304 for HVAC systems.

4. ‌Check Valves‌: Prevent backflow; 17-4PH (UNS S17400) for steam.

‌Stainless Steel Valves Material Selection Guide‌

‌Standards & Certifications‌

‌ASTM A351‌: Cast austenitic steel valves.

‌API 600‌: Bolted bonnet gate valves.

‌ISO 15848-1‌: Fugitive emission compliance.

1. ‌Cleaning‌: Use pH-neutral detergents; avoid chloride cleaners.

2. ‌Lubrication‌: Apply PTFE-based grease for stem movement.

3. ‌Inspection‌: Check seals and gaskets annually for wear.

‌Why Choose Stainless Steel?‌

Stainless steel valves reduce lifecycle costs by minimizing replacements. Their adaptability to extreme conditions makes them a sustainable choice for modern industries.

This structure balances technical accuracy with readability, ideal for engineers, purchasers, and technical managers. Let me know if you need adjustments!

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What is Nickel Alloy Pipe

‌ Nickel Alloy Pipes: Engineering Marvels for Extreme Industrial Environments ‌

Nickel alloy pipes represent the pinnacle of metallurgical engineering, specifically engineered to withstand the most demanding operational conditions in modern industries. Composed of nickel-based alloys such as Inconel®, Monel®, Hastelloy®, and Cu-Ni alloys, these pipes excel in environments characterized by extreme temperatures (up to 1,200°C), corrosive media, and pressures exceeding 10,000 psi. Their unique chemical composition and advanced manufacturing processes make them indispensable in sectors ranging from aerospace to offshore energy.

‌ Material Properties & Performance Advantages ‌

Nickel alloy pipes derive their exceptional capabilities from precise elemental compositions. For instance:

These alloys achieve superior performance metrics compared to conventional stainless steels (see Table 1).

‌ Table 1: Nickel Alloy vs. Stainless Steel Performance Comparison ‌

‌ Global Supply Chain Dynamics ‌

The nickel alloy pipe market is dominated by specialized ‌ nickel alloy pipe manufacturers‌ and ‌ suppliers ‌ who leverage proprietary technologies. Key players include:

‌KCM Special Steel (China)‌: Emerging ‌nickel alloy pipe supplier‌ producing cost-effective Pipes alternatives.

‌Haynes International (US)‌: Pioneer of Hastelloy® alloys, holding 22% of the aerospace-grade pipe market.

‌Sandvik AB (Sweden)‌: Supplies 35% of Europe's nuclear reactor cooling systems with SANICRO® tubes.

Geopolitical factors significantly impact supply chains. For example, the 2022 LME nickel price surge (112% YoY) forced manufacturers to adopt innovative strategies, such as hybrid alloy designs with reduced nickel content (e.g., Incoloy® 825 with 38-46% Ni).

‌ Critical Applications & Case Studies ‌

‌ 1. Petrochemical Industry ‌

Hastelloy® C-276 pipes are used in hydrocracker units, resisting sulfidic corrosion at 450°C. A 2023 ExxonMobil project reported a 40% lifespan extension compared to duplex stainless steel.

‌ 2. Aerospace Engineering ‌

Nimonic® 263 alloy fuel lines in GE Aviation's GEnx engines reduce weight by 18% while maintaining 1,050°C fatigue resistance.

Cu-Ni 90/10 condensers in desalination plants demonstrate a corrosion rate of ‌ 0.03 mm/year ‌ in seawater, outperforming titanium in cost-efficiency.

‌ Quality Standards & Certification ‌

Reputable ‌ nickel alloy pipe manufacturers ‌ adhere to stringent certifications (Table 2), ensuring reliability across industries.

‌ Table 2: Key Industry Certifications ‌

‌ Innovations by Leading Suppliers ‌

Top ‌ nickel alloy pipe suppliers ‌ are driving technological advancements:

‌ Market Trends & Forecast ‌

Expansion of LNG infrastructure (32% demand surge anticipated by 2027).

Adoption of Gen IV nuclear reactors requiring radiation-resistant alloys.

Asia-Pacific dominance, with Chinese ‌nickel alloy pipe suppliers‌ capturing 28% of new contracts in 2023.

The global nickel alloy pipe market is projected to grow at a ‌ 6.8% CAGR ‌, reaching $38.2 billion by 2030 (Grand View Research, 2023). Key drivers include:

‌ Challenges & Solutions ‌

‌ Strategic Partnerships ‌

Shell & Tata Steel's $200M JV produces hyper-durable Monel® K-500 pipes for Arctic drilling.

NASA partners with ATI to develop 3D-printed Inconel® 939 combustion chambers for Mars missions.

Collaborations between ‌ nickel alloy pipe manufacturers ‌ and end-users are accelerating innovation. For example:

Nickel alloy pipes remain vital to industrial progress, with ‌ nickel alloy pipe suppliers‌ and ‌ manufacturers ‌ continuously pushing material science boundaries. As industries face increasingly harsh operating conditions, the synergy between advanced alloys, smart manufacturing, and global supply chain resilience will define the next era of engineering excellence.

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Description

316L Stainless Stee l Pipe Brief Introdcution

316L stainless steel pipe is a hollow long round steel, mainly is widely used in petroleum, chemical, medical, food, light industry, machinery, instrument and other industrial pipeline and mechanical structure parts, etc.

In addition, in bending and torsion strength, the weight is lighter, so it is also widely used to make mechanical parts and engineering structures. It is also used to produce all kinds of conventional weapons, guns and shells.

SS316L TP316L AISI316L 316L Stainless Steel Pipe mainly contains chemicals of 16.00% - 18.00% Cr, 10.00% - 14.00% Ni, 2.00% - 3.00% Mo, ≤0.030% C， which is also a derivative steel of 18-8 type austenitic stainless steel with Excellent corrosion resistance.

The American standard stipulates that the Ni content of 316L is 10-14%, and the Japanese standard stipulates that the Ni content of 316L is 12-15%.

According to the minimum standard, there is a 2% difference in Ni content between the American standard and the Japanese standard, which is still quite huge in terms of price. Therefore, customers still need to see clearly when purchasing 316L products, whether the product is based on ASTM or JIS standards.
The Mo content of 316L Stainless Steel Pipe makes the steel have excellent resistance to pitting corrosion and can be safely used in environments containing halogen ions such as Cl-.

Because 316L is mainly used for its chemical properties, steel mills have slightly lower requirements for surface inspection of 316L (relative to 304). Customers with higher requirements on the surface should strengthen the surface inspection.

KCM SPECIAL STEEL, ASTM A312/213 TP 316L Stainless Steel Pipe RELATED PRODUCTS:

1. ASTM A312/213 TP 316L 316L Stainless Steel Pipe SEAMLESS

2. ASTM A312/213 TP316L 316L Stainless Steel Pipe WELDED

3. TP316L 316L Stainless Steel Pipe FITTINGS

4. TP316L 316L Stainless Steel PipeFLANGES

5. TP316L 316L Stainless Steel VALVES

ONE>ASTM A312/213 TP 316L 316L Stainless Steel Pipe SEAMLESS

1.SPECIFICATIONS:

3.ASTM A312/213 TP316L Stainless Steel Pipe SEAMLESS SURFACE:

4.ASTM A312/213 TP 316L 316L Stainless Steel Pipe SEAMLESS PRODUCTION PROCESS:

5. ASTM A312/213 TP 316L 316L Stainless Steel Pipe SEAMLESS APPLICATIONS:

Ship Builders,

Automotive Industry,

Power Generation,

Food Industry,

Paper Industry,

ASTM A312/213 TP 316L 316L Stainless Steel Pipe SEAMLESS Use In Pharmaceutical Industry,

Chemical Industry,

Oil and Gas Industry,

Heat Exchanger

Chemical process vessels,

piping and heat exchangers

Pulp mill digesters,

bleach washers,

chip pre-steaming vessels

Food processing equipment

Oil field piping and heat exchangers

Flue gas desulfurization equipment

6. ASTM A312/213 TP 316L Stainless Steel Pipe SEAMLESS AVAILABLE SIZES IN STOCK:

TWO>1.ASTM A312 TP 316L STAINLESS STEEL WELDED PIPE SPECIFICATIONS:

2.ASTM A312 TP 316L STAINLESS STEEL WELDED PIPE PACKING AND DELIVERY:PLASTIC BY BUNDLES OR WOODEN CASE OR ACC TO CUSTOMER REQUEST.

3.ASTM A312 TP 316L STAINLESS STEEL WELDED PIPE SURFACE:

THREE> 316L Stainless Steel Pipe FITTINGS

1. 316L STAINLESS STEEL PIPE FITTINGS SPECIFICATIONS:

2. 316L STAINLESS STEEL PIPE FITTINGS AVAILABLE SIZES IN STOCK.(ELBOW,TEE,REDUCER,CROSS)

3. 316L Stainless Steel Pipe FITTINGS SURFACE:

3. (1) BW FITTINGS

4. FIVE> 316L STAINLESS STEEL VALVES

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Description

ASTM A790 / A789 UNS S31803 DUPLEX PIPE TUBE BRIEF INTRODUCTION
ASTM A790 Uns s31803 / ASTM A789 Uns S31803 duplex pipe tube is a stainless steel tube with good chloride stress resistance, Uns s31803 contains 21% Chrome 4.5% nickel and 2.5% molybdenum.
ASTM A790 Uns S31803 duplex pipe tube is duplex stainless steel pipe and a medium alloy duplex stainless steel with good chloride stress resistance. Medium alloy type - the representative grade is UNS S31803 (22Cr-5Ni-3Mo-0.15N); S31803 duplex steel pipe is in three kinds of dual phase steel ( 2205 duplex stainless steel pipe, 2507 duplex stainless steel pipe, S31803 duplex stainless steel seamless tube) is the most widely used.

Name ASTM A790 / A789 UNS S31803 Duplex pipe tube Material: Stainless steel

Properties: Good chloride resistance stress Representative grade: UNS S31803

ASTM A790 Is Standard for Seamless and Welded Ferritic-Austenitic Stainless Steel Pipe

Scope of application

1.1x00a0;This specification covers seamless and straight-seam welded ferritic/austenitic steel pipe intended for general corrosive service, with particular emphasis on resistance to stress corrosion cracking. These steels are susceptible to embrittlement if used for prolonged periods at elevated temperatures.

1.2x00a0;Optional supplementary requirements are provided for pipe when a greater degree of testing is desired. These supplementary requirements call for additional tests to be made and, when desired, one or more of these may be specified in the order.

1.3x00a0;Appendix X1 of this specification lists the dimensions of welded and seamless stainless steel pipe as shown in ANSI B36.19. Pipe having other dimensions may be furnished provided such pipe complies with all other requirements of this specification.

1.4x00a0;The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. The inch-pound units shall apply unless the M designation of this specification is specified in the order.

ASTM A790 UNS S31803 Pipe & tube is a duplex stainless steel. 22% chromium duplex ( austenitic/ferritic ) steel ( type 2205 / UNS S32205 ) with moderate to high strength and good resistance to common corrosion/stress, corrosion/cracking.

The alloy of ASTM A790 UNS S31803 Pipe & tube is resistant to chloride environments and sulfide stress corrosion and is approximately twice as strong as standard austenitic stainless steels. This alloy can be successfully used as a replacement for 300 series austenitic stainless steels when higher mechanical strength/lower weight is required. The F51 is easy to weld with many standard arc welding equipment, but is not recommended for oxy-ethylene block welding due to the potential for carburization of the weld metal.

ASTM A790 UNS S31803 Pipe & tube Executive Standard

Main components: carbon (C)≤0.03, manganese (Mn)≤1.2, nickel (Ni) 6.0～8.0, silicon (Si)≤0.8, chromium (Cr) 24.0～26.0, copper (Cu) ≤0.5, molybdenum (Mo) )3.0～5.0, Nitrogen (N) 0.24～0.32
Physical Properties: 2205 Duplex Steel Density: 7.98g/cm3, Melting Point: 1300-1390 ℃, Magnetic Properties: None
Heat treatment: heat preservation between 1000-1050 ℃ for 1-2 hours, rapid air cooling or water cooling.
ASTM A790 UNS S31803 Pipe & tube Mechanical properties: Tensile strength: σb≥795Mpa, solid solution yield strength σb≥550Mpa: Elongation: δ≥15%, hardness ≤310 (HB)
ASTM A790 UNS S31803 PIPE & TUBE (foreign name:UNS S31803 stainless steel pipe) is an ultra-low carbon duplex stainless acid-resistant steel with excellent resistance to pitting and crevice corrosion. At the same time, nitrogen is a strong element that forms and stabilizes austenite. Even if it is welded or heated at high temperature, it can ensure that a certain amount of austenite exists in the structure. Single-phase ferrite. The two-phase ratio is not sensitive to changes in heating temperature.

ASTM A789 Is Standard for Seamless and Welded Ferritic / Austenitic Stainless Steel Tubing

Scope of application

1.1x00a0;This specification covers grades of average wall thickness, or, if specified on the order, minimum wall thickness, of stainless steel tubing for services requiring general corrosion resistance, with particular emphasis on resistance to stress corrosion cracking. These steels are susceptible to embrittlement if used for prolonged periods at elevated temperatures.

1.2x00a0;The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. Within the text, the SI units are shown in brackets. The inch-pound units shall apply unless the M designation of this specification is specified in the order.

ASTM A790 UNS S31803 duplex pipe tube products scope

1. ASTM A790 UNS S31803 Duplex stainless steel pipe

2. ASTM A790 UNS S31803 Duplex pipe seamless

3. ASTM A790 UNS S31803 Duplex tube seamless

4. ASTM A790 UNS S31803 Duplex pipe welded / welding

5. ASTM A790 UNS S31803 Duplex tube welded / welding

6. ASTM A789 UNS S31803 Duplex pipe welded / welding

7. ASTM A789 UNS S31803 Duplex tube welded / welding

8. 31803 Duplex pipe fittings

9. 31803 Duplex pipe elbow

10. 31803 Duplex pipe reducer

11. 31803 Duplex pipe tee

12. 31803 Duplex pipe cap

13. 31803 Duplex pipe flange

ASTM A790 / A789 Uns S31803 duplex pipe tube chemical composition

C≦0.030;Si≦1.00;Mn≦2.00;P≦0.030;S：0.020;Ni:4.50~6.50;Cr:21.00~23.00;Mo:2.50~3.50;N:0.08~0.20

ASTM A790 Uns S31803 duplex pipe tube features

PREN value 32 to 33
The corrosion resistance of the medium alloy type UNS S31803 is between AISI 316L and 6% Mo+N austenitic stainless steel.
Yield strength is about 2 times stronger than 18-8 austenitic stainless steel.

ASTM A790 / A789 Uns S31803 duplex pipe tube application

Neutral Chloride Environment

Refining Industry

Petrochemical and Chemical Industry

Chemical Industry Conveying Pipeline

Oil & Gas Industry

Pulp and Paper Industry

Fertilizer Industry

Urea Industry

Phosphate Fertilizer Industry

Seawater Environment

Energy and Environmental Protection Industry

Light Industry And food industry

food and pharmaceutical industry equipment

high-strength structural parts

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Astm A790 / A789 UNS S31803 Duplex Pipe Tube

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ASTM A790 / A789 Uns S31803 duplex pipe tube is a duplex stainless steel tube with good chloride stress resistance, ASTM A790 Uns s31803 contains 21% Chrome 4.5% nickel and 2.5% molybdenum.Kcm Special Steel will supply excellent ASTM A789 UNS S31803 duplex tube and pipe with seamless and welded...

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