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904L Seamless Stainless Steel Tubes

904L Seamless Stainless Steel Tubes

904L seamless stainless steel tubes 1) Specifications ASTM A213/ASTM A269/ASTM A511/JIS, GOST or as per requirements 2) Size Imperial: OD 1/4” - 2-1/2”; WT: above 0.0197” Metric: OD 6-76mm; WT: above 0.5mm 3) Manufacturing Method Cold finish: cold rolling or cold drawing 4) Delivery condition...

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Product Details

Product Description:

The raw material of this kind of seamless stainless steel tubes is 904L. Since the carbon content in 904L is very low, there is no carbide precipitation in the case of general heat treatment and welding,which eliminates the risk of intergranular corrosion that occurs after general heat treatment and soldering. Due to its high molybdenum content, it also can be passivated even in a reducing environment such as sulfuric acid or formic acid.

Features:

  • Excellent sharpening-passivation conversion capability

  • Excellent resistance to crevice corrosion and stress corrosion

  • High chromium content, sufficient nickel content and a small amount of copper give it excellent acid resistance

  • Excellent welding performance with a common welding process

Applications

  • Metal pickling in sulfuric acid

  • Production and concentration of phosphoric acid

  • Use in seawater, condensers, heat exchangers and pipe work 

  • Paper and allied industries

  • Gas washing

  • Chemical and pharmaceutical industries

Product Details:

StandardASTM A213/ASTM A269/ASTM A511/JIS, GOST or as per requirements
Material Grade
904L
TypeWelded
Size
Imperial: OD 1/4” - 2-1/2”; WT: above 0.0197”
Metric: OD 6-76mm; WT: above 0.5mm
Manufacturing MethodCold finish: cold rolling or cold drawing
Delivery conditionBright annealed (BA)
Annealed and pickled(AP)

Chemical composition

Material

C(max)

Si(max)

Mn(max)

P(max)

S(max)

Cr

Ni

Cu

904L

0.02

1.00

2.00

0.045

0.035

19.0-23.0

23.0-28.0

1.0-2.0

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