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Home » Products » Austenitic Stainless Steel Pipes And Tubes » Super Austenitic Stainless Steel » Seamless Stainless Steel 904L Pipe

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Seamless Stainless Steel 904L Pipe

Seamless 904L Stainless Steel Pipe utilizes a high-alloy austenitic stainless steel renowned for its exceptional resistance to very aggressive corrosive environments, particularly sulfuric acid. Its significant copper content enhances its performance against reducing acids, while its high levels of chromium, nickel, and molybdenum provide superior defense against uniform attack, pitting, and crevice corrosion.
 
① STANDARD: ASTM A213/ ASTM A312/ ASTM A249/ ASTM A269/ GOST 9940 /GOST 9941...
② OD RANGE : 6-1016 MM
③ THICKNESS RANGE: 1-65 MM
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Chemical Composition
Mechanical Properties
Application
Service
Material Summary

Seamless 904L Stainless Steel Pipe utilizes a high-alloy austenitic stainless steel renowned for its exceptional resistance to very aggressive corrosive environments, particularly sulfuric acid. Its significant copper content enhances its performance against reducing acids, while its high levels of chromium, nickel, and molybdenum provide superior defense against uniform attack, pitting, and crevice corrosion.

Chemical Composition


Grade

C

Mn

P

S

Si

Cr

Ni

Mo

Cu

N

UNS N08904

≤0.02

≤2.00

≤0.04

≤0.03

≤1.00

19.00-23.00

23.00-28.00

4.00-5.00

1.00-2.00

≤0.10



Mechanical Properties


Material

Form and Condition

Tensile Strength Ksi(MPa)

Yield Strength Ksi(MPa)

Elongation 4D(%)

Hardness Brinell/Vickers

Hardness

Rockwell

904L

Annealed

≥71(490)

≥31(215)

≥35

≤ 192HBW/200HV

≤ 90HRB



Standard



Pipe Seamless

ASTM A312

Pipe Welded

ASTM A358,ASTM B673

Tube Seamless

ASTM A269

Tube Welded

EN 10217-7，EN 10296-2，ASTM A249，ASTM A269，ASTM B674



Application


  1. Common industrial services (Petroleum, chemical, paper, fertilizer, fabric, aviation and nuclear)

  2. Fluid, gas and oil industry

  3. Heat transmission and pressure service

  4. Construction and ornamental

  5. Boilers and Heat exchangers

  6. Decoration purpose, boiler, auto parts, medical device, food industry, building materials)


Service


  • End of Pipe and Tube

  1. Ply Wooden Boxes

  2. PE Fabric Bundles

  3. Standard seaworthy export packing

  4. Plastic Bags, or as required


  • Marking

  1. Supplier / Manufacturer Name or Custom Logo - on request

  2. Specification

  3. Material Grade

  4. Nominal Size

  5. Schedule or Wall Thickness

  6. Method of Manufacturing (Seamless or Welded)

  7. Heat Number

Marked Pipe Sample: XTD ASTM A312 904L SEAMLESS 42.2x 3.56*6000MM HEAT NO. 2023121205A15


  • Packing

  1. Ply Wooden Boxes

  2. PE Fabric Bundles

  3. Standard seaworthy export packing

  4. Plastic Bags, or as required


  • Delivery Condition

  1. Pickled&Annealed, Polished, Bright Annealed.

  2. All tubes shall be supplied as per applicable ASTM B163 /B426

  3. Mill test certificates will be issued

  4. We can provide 3.2 Certification according to the needs of you


  • Standard

  1. ASTM A312: Standard Specification for Seamless, Welded, and Heavily Cold Worked Austenitic Stainless Steel Pipes

  2. ASTM A213: Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes


Material Summary


Our SS 904L Pipes & Tubes are now widely used in a variety of industrial uses. Heat exchangers, condensers, piping systems, pulp and paper industry, petrochemicals, pharmaceuticals, specialised chemicals, chemical industry, building, power production, gas processing, oil processing, constructions, seawater applications, and buildings are just a few examples.

SS 904L Pipes & Tubes has a variety of characteristics. Tensile strength, yielding strength, weldability, rugged construction, toughness, anti-corrosive body; high-temperature application, higher pressure, excellent surface finishes, long functionality, and so on.


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