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S31803 Seamless Stainless Steel Tubes

S31803 Seamless Stainless Steel Tubes

S31803 seamless stainless steel tubes 1) Specifications ASTM A789, 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 Bright annealed...

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Product Details

Product Description:

S31803 seamless stainless steel tubes combine the most beneficial properties of ferrite and austenite. It has better resistance to chloride ion stress corrosion cracking,chloride ion pitting and crevice corrosion than 317L seamless stainless steel tubes.It has the twice yield strength of austenitic stainless steel,which makes it lighter in weight and more cost-effective than317L.

Features:

  • High strength, excellent impact toughness

  • Excellent overall and local resistance to stress corrosion

  • Excellent resistance to sulfide stress

  • Lower thermal expansion coefficient and high thermal conductivity

Applications

Widely used in paper industry equipment, food industry processing equipment, thermal power plant flue gas desulfurization equipment,heat exchangers and pipes in desalination plants, pressure vessels, tanks and pipes in process industries handling chlorideoil pipelines and other special chemical environmental equipment.

Product Details:

StandardASTM A789, JIS, GOST or as per requirements
Material Grade

S31803

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

Mo

N

S31803

0.03

1

2

0.03

0.02

21.0-23.0

4.5-6.5

2.5-3.5

0.08-0.20


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