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API 5CRA S31803 Duplex Stainless Seamless Steel Tube

Categories	CRA Pipes
Brand	fushun
Wall Thickness	1-15mm
Length	2m-12m or as customers' requests
Outer Diameter	6-219mm
Delivery Condition	cold drawn/rolled, annealed, Quenched and tempered
FOB port	Shanghai
Terms of Payment	L/C, T/T
Update Time	Apr 30,2025

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Detail Information

Application:

Petroleum and natural gas industries

Corrosio resistand alloy seamless tubes

Casing, tubing, and couplong stock

Standard

API 5CRA-2010 corrosion resistant alloy seamless tubes for casing coupling 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	UNS Number	Grade	Delivery Condition	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