LSAW welded line pipe for oil and gas transmission

LSAW welded steel line pipe is produced by double-side submerged arc welding and expanded diameter, it is straight seam welded pipes. During the production used pre-welding and then precision welding process, it is stable welding process and high quality .

LSAW welded steel line pipe is produced by double-side submerged arc welding and expanded diameter. During the production used pre-welding and then precision welding process, it is stable welding process and high quality .

API 5L X70 LSAW welded Carbon Steel Line Pipes for oil and gas transmission

Chemical Composition

Mass fraction, based upon heat and product analysis a
SEAMLESS PIPE
C	Mn	P		S	V	Nb	Ti
maxb	max.b	min.	max.	max.	max.	max.	max.
0.28e	1.40e	–	0.030	0.030	f	f	f
WELDED PIPE
0.26	1.45e	–	0.030	0.030	f	f	f

API 5L X70 PSL 2 Carbon Steel Line Pipes Chemical Composition

Mass fraction, based upon heat and product analysis % maximum										CARBON EQUIVALENT a
										% MAXIMUM
Cb		Si	Mnb	P	S	V	Nb	Ti	Other	CEIIW	CEPcm
SEAMLESS & WELDED PIPES
L485Q or X70Q	0.18f	0.45f	1.8f	0.025	0.015	g	g	g	h	0.43	0.25
WELDED PIPE
L485M OR X70M	0.12f	0.45f	1.7f	0.025	0.015	g	g	g	h	0.43f	0.25

API 5L X70 PSL 1 Carbon Steel Line Pipes Mechanical Properties

Y.S	T.S	ELONGATION
Mpa(psi)	Mpa(psi)	ELONGATION
min	min	min
485(70 300)	570(82 700)	F

API 5L X70 PSL 2 Carbon Steel Line Pipes Mechanical Properties

Y.S	T.S	ELONGATION
Mpa(psi)	Mpa(psi)	ELONGATION
min-max	min-max	min
485(70 300)-635(92100)	570(82700)-760(110200)	F

Our Supply LSAW welded line pipe Range:

Grades: API 5L Grade B, X42, X52, X56, X60, X65, X70, X80
Product Specification Level: PSL1, PSL2, onshore and offshore sour services

Size: 8"-120"

Wallthickness: 10-80mm
Ends Type: Beveled ends, Plain ends
Length Range: SRL (Single Random Length), DRL (Double Random Length), 20 FT (6 meter), 40FT (12 meter)or customized
Protection Caps in plastic or iron
Surface Treatment: Natural, Varnished, Black painting, FBE, 3PE (3LPE), 3PP, CWC (Concrete Weight Coated) CRA Clad or Lined