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904L Pipes

904L Pipes

Size range: OD: 10.3~914mm (1/8’’~36’’); WT: 0.5~70mm;
Application: Refineries; Nuclear Plant; Aerospace Industry; Chemical Fertilizer; Petrochemicals' Oli & Gas and etc;
Standard: ASTM A312;
Manufacture: Hot finished or cold finished;

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Product Details

904L Pipes

Grade 904L stainless steel is a non-stabilized austenitic stainless steel with low carbon content. This high alloy stainless steel is added with copper to improve its resistance to strong reducing acids, such as sulphuric acid. This steel is also resistant to stress corrosion cracking and crevice corrosion. Grade 904L is non-magnetic, and offers excellent formability, toughness and weldability. Grade 904L contains high amounts of expensive ingredients, such as molybdenum and nickel.

 

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

 

2. Application:
Refineries; Nuclear Plant; Aerospace Industry; Chemical Fertilizer; Petrochemicals' Oli & Gas and etc.

 

3. Materials & Manufacture

Pipe shall be either hot finished or cold finished;

The pipe shall be free of scale and contaminating exogenous iron particles. Pickling, blasting, or surface finishing is not mandatory when pipe is bright annealed.

 

4. Chemical Requirements

Chemical Composition %
GradeUNS DesignationCMnPSSiCrNiMoOther
N089040.0220.040.03119.0-23.023.0-28.04.0-5.0N: 0.1
Cu: 1.00-2.00

 

5. Tensile Requirements

Tensile Requirements
GradeUNS DesignationTensile Strength, min
ksi (Mpa)
Yield Strength, min
ksi(Mpa)
N0890471 (490)31 (215)


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