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API 5CRA S31803 Duplex Stainless Seamless Steel Tube

Group CRA Pipes
Min. Order 1 piece
Terms of Payment L/C, T/T
Update Time 2019-05-30
Item specifics
Wall Thickness1-15mm
Length2m-12m or as customers' requests
Outer Diameter6-219mm
Delivery Conditioncold drawn/rolled, annealed, Quenched and tempered

Application:

Petroleum and natural gas industries

Corrosio resistand alloy seamless tubes

Casing, tubing, and couplong stock

Product Details:

Standard: API 5CRA for Corrosion resistant Alloy Seamless Tubes Use as Casing, Tubing and Coupling stock.

Steel Grade: S31803 

Size Range:OD: 6-219mm, Wall Thickness: 1.0-15mm

Chemical Composition(%):

Material Identity

UNS number

Chemical Composition(max.%) mass fraction or range, unless otherwise indicated

Group

Structure

C

Cr

Ni

Fe

Mn

Si

Mo

P

S

N

2

Duplex austenitic/ferritic

S31803

0.03

21.0-23

4.5-6.5

Bal.

2

1

2.5-3.5

0.03

0.02

0.08-0.2

Mechanical Properties:

Material    Identity

UNS     Number

Grade

Delivery    Condition

Yield Strength

(Mpa)

Tensile  Strength

(Mpa)

Elongation

(%)

Hardness

HRC

Group

Min.

Max.

Min.

Min.

Max.

2

S31803

65

SA

448

624

621

25

26

110

CH

758

965

862

11

36

125

CH

862

1000

896

10

36