UNS 31803 pipe

1.seamless pipe/tube:ASTM A789,ASTM A790
2.welded pipe/tube: ASTM A928
3.OD (outer diameter):21.3mm-406.4 or as customer required
4.Wall thickness: sch10,sch20,sch30,sch40,sch60,XS,sch80, sch160
5.Length:5.8m-12m or as customer required
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Product Details

UNS 31803 pipe is composed of 21% chromium,2.5% molybdenum and 4.5% nickel nitrogen alloy compound stainless steel.It has high strength, good impact toughness and good overall and local stress corrosion resistance.

Specification:

seamless pipe/tube: ASTM A789,ASTM A790

welded pipe/tube: ASTM A928

OD (outer diameter):21.3mm-406.4 or as customer required

Wall thickness: sch10,sch20,sch30,sch40,sch60,XS,sch80, sch160

Length:5.8m-12m or as customer required

Manufacture Method: Cold drawn, cold rolled, hydraulic cold drawn, Hot rolled, hot expanded

End type: Plain ends, bevelled ends, threaded ends

Surface type: Transparent oil,anti-rust oil and according to clients requirement

S31803 Chemical composition:

C

Mn

P

S

Si

Cr

Mo

N

Cu

max

max

max

max

max

max

max

max

max

0.03

2

0.03

0.02

1

21-23

4.5-4.6

2.5-3.5

0.08-0.2

S31803 Mechanical properties:

Tensile strength (Mpa)

Yield strength (Mpa)

Hardness(Brinell,HBW)

620

450

293

 Application:

UNS 31803 pipe has twice the yield strength of austenitic stainless steel, a feature that allows designers to reduce weight when designing products. Widely used in oil and gas industrial, marine industrial, chemical processing and nuclear industrial due to their excellent strength and good corrosion resistanceIf you require further information or you do not see what yo need in our web,please do not hesitate to contact us. Our customer service specialists will be happy to help you.info@jiade-group.com

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