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347H Seamless Stainless Steel Tubes

347H Seamless Stainless Steel Tubes

347H 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:

This kind of 347h seamless stainless steel tube has been added with certain anti-oxidation treatment during the production process.  There is a layer of rare metal plating on the surface of this kind of seamless steel tube, which is a good way to isolate the tube from the air, thus reducing the possibility of rusting the tube. Under the conditions of chromium carbide precipitation, it still maintains good corrosion resistance. Moreover, The titanium in it can maintain excellent stability even in the case of chromium carbide formation.

Features:

  • Excellent high temperature strength and plasticity

  • Excellent oxidation resistance and corrosion resistance

  • Uniform chemical composition

  • Excellent processing performance and welding performance

  • High dimensional accuracy and surface quality

Applications

Widely used as heat exchanger tubes for large boiler superheaters, reheaters, steam pipes, petrochemicals.

Product Details:

StandardASTM A213/ASTM A269/ASTM A511/JIS, GOST or as per requirements
Manufacturing MethodCold finish: cold rolling or cold drawing
Size
Imperial: OD 1/4” - 2-1/2”; WT: above 0.0197”

Metric: OD 6-76mm; WT: above 0.5mm

Model Number

347L

Delivery conditionBright annealed (BA)

Annealed and pickled(AP)

Chemical composition:

C(max)

Si(max)

Mn(max)

P(max)

S(max)

Cr

Ni

0.04-0.10

1.00

2.00

0.045

0.030

17.0-19.0

9.0-13.0

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