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API 5L PSL1&PSL2 line pipe

API 5L pipe is seamless and welded pipe for pipeline transportation systems in the oil and gas industry, including two product specification levels (PSL1 and PSL2), manufactured by processes such as hot forming or cold drawing.

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API 5L PSL1&PSL2 line pipe

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API

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API 5L PSL1&PSL2 line pipe

Description

Product Description

Product Size

Outer diameter: NPS 1/2～24; 21.3～610mm
Wall thickness: SCH 20～160; 2.77～20.00mm
End: Flat end, beveled or threaded optional
Length: 3 to 12 meters or SRL, DRL, double and fixed feet

Product Packaging

External surfaces varnished clear/black, hot-dipped galvanized or anticorrosive treatment (FBE, 3LP, 3LPP) optional, steel strapping.

Chemical composition

Wall thickness ≤ 25.0mm PSL1 tube chemical composition
Steel grade	C	Mn	P		S	V	Nb	Ti	Other a,g
Steel grade	≤b，%		≥，%	≤，%	≤，%
Seamless steel pipe
L175 (A25)	0.21	0.60		0.030	0.030
L175P(A25P)	0.21	0.60	0.045	0.080	0.030
L210(A)	0.22	0.90		0.030	0.030
L245(B)	0.28	1.20		0.030	0.030	c,d	c.d	d
L290(X42)	0.28	1.30		0.030	0.030	d	d	d
L320(X46)	0.28	1.40		0.030	0.030	d	d	d
L360(X52)	0.28	1.40		0.030	0.030	d	d	d
L390(X56)	0.28	1.40		0.030	0.030	d	d	d
L415(X60)	0.28e	1.40e		0.030	0.030	f	f	f
L450(X65)	0.28e	1.40e		0.030	0.030	f	f	f
L485(X70)	0.28e	1.40e		0.030	0.030	f	f	f
Welded steel pipe
L175 (A25)	0.21	0.60		0.030	0.030
L175P(A25P)	0.21	0.60	0.045	0.080	0.030
L210(A)	0.22	0.90		0.030	0.030
L245(B)	0.26	1.20		0.030	0.030	c,d	c,d	d
L290(X42)	0.26	1.30		0.030	0.030	d	d	d
L320(X46)	0.26	1.40		0.030	0.030	d	d	d
L360(X52)	0.26	1.40		0.030	0.030	d	d	d
L390(X56)	0.26	1.40		0.030	0.030	d	d	d
L415(X60)	0.26e	1.40e		0.030	0.030	f	f	f
L450(X65)	0.26e	1.45e		0.030	0.030	f	f	f
L485(X70)	0.26e	1.65e		0.030	0.030	f	f	f
a. Cu ≤ 0.50%; Ni ≤ 0.50%; Cr ≤ 0.50% and Mo ≤ 0.15%. b. For every 0.01% decrease in carbon content from the specified maximum carbon content, the permissible manganese content shall be increased by 0.05% from the specified maximum manganese content, which shall be 1.65% for steel grades ≥ L245(B),but ≤ L360(X52), and 1.75% for steel grades ＞ L360(X52),but ＜ L485(X70); For steel grades > L360 (X52), but < L485 (X70), a maximum of 1.75% manganese. c. Nb+V ≤ 0.06 % unless otherwise agreed. d. Nb+V+Ti ≤ 0.15 %. e. Unless otherwise agreed. Nb+V+Ti ≤ 0.15%. f. Unless otherwise agreed. g. Intentional addition of boron is not permitted and the residual boron content is to be ≤ 0.001 %.

Wall thickness ≤ 25.0mm PSL2 tube chemical composition
Steel grade	Chemical composition ≥, %									Carbon equivalenta ≥, %
Steel grade	Cb	Si	Mnb	P	S	V	Nb	Ti	Other	CEIIW	CEPCM
seamless steel pipe
L245R（BR）	0.24	0.40	1.20	0.025	0.015	c	c	0.04	e,i	0.43	0.25
L290R（X42R）	0.24	0.40	1.20	0.025	0.015	0.06	0.05	0.04	e,i	0.43	0.25
L245N（BN）	0.24	0.40	1.20	0.025	0.015			0.04	e,i	0.43	0.25
L290N（X42N）	0.24	0.40	1.20	0.025	0.015	0.06	0.05	0.04	e,i	0.43	0.25
L320N（X46N）	0.24	0.40	1.40	0.025	0.015	0.07	0.05	0.04	d,e,i	0.43	0.25
L360N（X52N）	0.24	0.45	1.40	0.025	0.015	0.10	0.05	0.04	d,e,i	0.43	0.25
L390N（X56N）	0.24	0.45	1.40	0.025	0.015	0.10f	0.05	0.04	d,e,i	0.43	0.25
L415N（X60N）	0.24	0.45f	1.40f	0.025	0.015	0.10f	0.05f	0.04	g.h,i	As agreed
L245Q（BQ）	0.18	0.45	1.40	0.025	0.015	0.05	0.05	0.04	e,	0.43	0.25
L290Q（X42Q）	0.18	0.45	1.40	0.025	0.015	0.05	0.05	0.04	e,	0.43	0.25
L320Q（X46Q）	0.18	0.45	1.40	0.025	0.015	0.05	0.05	0.04	e,l	0.43	0.25
L360Q（X52Q）	0.18	0.45	1.50	0.025	0.015	0.05	0.05	0.04	e,I	0.43	0.25
L390Q（X56Q）	0.18	0.45	1.50	0.025	0.015	0.07	0.05	0.04	d,e,I	0.43	0.25
L415Q（X60Q）	0.18f	0.45f	1.70f	0.025	0.015	g	g	g	h,I	0.43	0.25
L450Q（X65Q）	0.18f	0.45f	1.70f	0.025	0.015	g	g	g	h,	0.43	0.25
L485Q（X70Q）	0.18f	0.45f	1.80f	0.025	0.015	g	g	g	h,I	0.43	0.25
L555Q（X80Q）	0.18f	0.45	1.90	0.025	0.015	g	g	g	ij	As agreed
L625Q（X90Q）	0.16f	0.45	1.90	0.020	0.010	g	g	g	j,k	As agreed
L690Q（X100Q）	0.16	0.45f	1.90	0.020	0.010	g	g	g	j,k	As agreed
Welded Steel Pipe
L245M（BM）	0.22	0.45	1.20	0.025	0.015	0.05	0.05	0.04	e,i	0.43	0.25
L290M（X42M）	0.22	0.45	1.30	0.025	0.015	0.05	0.05	0.04	e,j	0.43	0.25
L320M（X46M）	0.22	0.45	1.30	0.025	0.015	0.05	0.05	0.04	e,l	0.43	0.25
L360M（X52M）	0.22	0.45	1.40	0.025	0.015	d	d	d	e,l	0.43	0.25
L390M（X56M）	0.22	0.45	1.40	0.025	0.015	d	d	d	e,i	0.43	0.25
L415M（X60M）	0.12	0.45f	1.60f	0.025	0.015	g	g	g	h,i	0.43	0.25
L450M（X65M）	0.12f	0.45f	1.60f	0.025	0.015	g	g	g	h,i	0.43	0.25
L485M（X70M）	0.12	0.45f	1.70f	0.025	0.015	g	g	g	h,i	0.43	0.25
L555M（X80M）	0.12	0.45f	1.85f	0.025	0.015	g	g	g	i,	0.43f	0.25
L625M（X90M）	0.10	0.55f	2.10f	0.020	0.010	g	g	g	i,l		0.25
L690M（X100M）	0.10	0.55	2.10f	0.020	0.010	g	g	g	I,j		0.25
L830M（X120M）	0.10	0.55f	2.10f	0.020	0.010	g	g	g	I,j		0.25
a. Based on the results of product analysis, wall thickness >20.0mm seamless pipe, the limit value of carbon equivalent shall be determined by negotiation. Carbon content C>0.12 % use CEiiw, carbon content C≤0.12 % use CEpcm. b. Carbon content than the provisions of the maximum carbon content of each decrease of 0.01%, it is permitted to manganese content than the provisions of the maximum manganese content increased by 0.05%, for the steel grade ≥ L245 (B), but ≤ L360 (X52) of the grade, the maximum manganese content of 1.65%; for the steel grade ＞ L360 (X52), but ＜ L485 (X70) of the grade, the maximum manganese content of 1.75%; for the steel grade For grades >L360 (X52), but <L485 (X70), the maximum manganese content is 1.75%; for grades ≥L485 (X70), but ≤L555 (X80), the maximum manganese content is 2.00%. For steel grades > L555 (X80), the maximum manganese content is 2.20%. c. Unless otherwise agreed, Nb+V ≤ 0.06 %. d.Nb+V+Ti≤0.15% e. Unless otherwise agreed, Cu ≤ 0.50 %; Ni ≤ 0.30 %; Cr ≤ 0.30 % and Mo ≤ 0.15 %. f. Unless otherwise agreed. g. Unless otherwise agreed, Nb+V+Ti≤0.15%. h.Unless otherwise agreed, Cu ≤ 0.50%; Ni ≤ 0.50%; Cr ≤ 0.50% and Mo ≤ 0.50%. i.Unless otherwise agreed, Cu ≤ 0.50%; Ni ≤ 1.00%; Cr ≤ 0.50% and Mo ≤ 0.50%. ii. j. B≤0.004%. k. Cu ≤ 0.50%; Ni ≤ 1.00%; Cr ≤ 0.55% and Mo ≤ 0.80%. l.For all PSL2 grades other than those to which footnote j has been applied, the following applies: Unless otherwise agreed, intentional addition of boron is not permitted and the residual boron content is to be ≤0.001%.