API 5L tube-Beijing Baotou Steel Co., Ltd.

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API 5L tube

roduct Level	Steel grade	Chemical composition, %
roduct Level	Steel grade	C	Mn	P	S	Si	V	Nb	Ti	CEpcm
PSL 1	B or L245	≤0.28	≤1.20	≤0.030	≤0.030	-	-	-	-	-
	x42 or L290	≤0.28	≤1.30	≤0.030	≤0.030	-	-	-	-	-
	X46 or L320	≤0.28	≤1.40	≤0.030	≤0.030	-	-	-	-	-
	X52 or L360	≤0.28	≤1.40	≤0.030	≤0.030	-	-	-	-	-
	X56 or L390	≤0.28	≤1.40	≤0.030	≤0.030	-	-	-	-	-
	X60 or L415	≤0.28	≤1.40	≤0.030	≤0.030	-	-	-	-	-
	X70	≤0.28	≤1.40	≤0.030	≤0.030	-	-	-	-	-
PSL 2	BR or L245R	≤0.24	≤1.20	≤0.025	≤0.015	≤0.40	c	c	≤0.04	≤0.25
	X42R or L290R	≤0.24	≤1.20	≤0.025	≤0.015	≤0.40	≤0.06	≤0.05	≤0.04	≤0.25
	BN or L245N	≤0.24	≤1.20	≤0.025	≤0.015	≤0.40	c	c	≤0.04	≤0.25
	X42N or L290N	≤0.24	≤1.30	≤0.025	≤0.015	≤0.40	≤0.06	≤0.05	≤0.04	≤0.25
	X46N or L320N	≤0.24	≤1.40	≤0.025	≤0.015	≤0.40	≤0.07	≤0.05	≤0.04	≤0.25
	X52N or L360N	≤0.24	≤1.40	≤0.025	≤0.015	≤0.45	≤0.10	≤0.05	≤0.04	≤0.25
	X56N or L390N	≤0.24	≤1.40	≤0.025	≤0.015	≤0.45	≤0.10	≤0.05	≤0.04	≤0.25
	X60N or L415N	≤0.24	≤1.40	≤0.025	≤0.015	≤0.45	≤0.10	≤0.05	≤0.04	-
	X65N or L450N	≤0.24	≤1.40	≤0.025	≤0.015	≤0.45	≤0.10	≤0.05	≤0.04	-
	X70N	≤0.24	≤1.40	≤0.025	≤0.015	≤0.45	≤0.10	≤0.05	≤0.04	-
	X80	≤0.24	≤1.40	≤0.025	≤0.015	≤0.45	≤0.10	≤0.05	≤0.04	-
List of Chemical Elements for Pipeline Pipes:

Standard	Product Level	Steel grade	Yield Strength (min), Mpa	Tensile Strength(MPa)
API 5L GB/T9711.2	PSL 1	A or L210	210	335
		B or L245	245	415
		x42 or L290	290	415
		X46 or L320	320	435
		X52 or L360	360	460
		X56 or L390	390	490
		X60 or L415	415	520
		X70	483	565
	PSL 2	BR or L245R	245~450	415~760
		X42R or L290R	290~495	415~760
		BN or L245N	245~450	415~760
		X42N or L290N	290~495	415~760
		X46N or L320N	320~525	435~760
		X52N or L360N	360~530	460~760
		X56N or L390N	390~545	490~760
		X60N or L415N	415~565	520~760
		X65N or L450N	425~566	525~760
		X70 or L480	484~565	565~768
		X80	552~690	621~827
Mechanical：

Nominal Size	Outside Diameter	Wall Thickness	Plain-end Weight	lb/ft	kg/m		American Petroleum Institute Standard (API SPEC 5L) Line Pipe Specification Table
Nominal Size	Outside Diameter	Wall Thickness	Plain-end Weight
inch	mm	inch	mm
0.405	0.405	10.29	0.095	2.4	0.31	0.47
0.54	0.54	13.72	0.088	2.2	0.43	0.62
0.54	13.72	0.119	3	0.54	0.79
0.675	0.675	17.15	0.091	2.3	0.57	0.84
0.675	17.15	0.126	3.2	0.74	1.1
0.84	0.84	21.34	0.109	2.8	0.85	1.28
0.84	21.34	0.147	3.7	1.09	1.61
1.05	1.05	26.67	0.113	2.9	1.13	1.7
1.05	26.67	0.154	3.9	1.48	2.19
1.315	1.315	33.4	0.133	3.4	1.68	2.52
1.315	33.4	0.179	4.6	2.17	3.21
1.66	1.66	42.2	0.145	3.7	2.72	3.43
1.66	42.2	0.191	4.9	3	4.51
1.9	1.66	42.2	0.382	9.7	5.22	7.77
1.9	48.3	0.145	3.7	2.72	4.07
1.9	48.3	0.2	5.1	3.63	5.43
1.9	48.3	0.4	10.2	6.41	9.58
2 3/8	2.375	60.3	0.109	2.8	2.64	3.97
2.375	60.3	0.125	3.2	3	4.51
2.375	60.3	0.141	3.6	6.36	5.03

standard	the name of a shop	Chemical composition (%)	CEV(%)
C	Si	Mn	P	S	V	Nb	Ti
API SPEC 5L	B	≤0.16	≤0.40	≤1.10	≤0.020	≤0.010	-	-	-	≤0.42
GB/T9711.2	B	≤0.16	≤0.40	≤1.10	≤0.020	≤0.010	-	-	-	≤0.42
X42	≤0.17	≤0.40	≤1.20	≤0.020	≤0.010	≤0.05	≤0.05	≤0.04	≤0.42
X52	≤0.20	≤0.45	≤1.60	≤0.020	≤0.010	≤0.10	≤0.05	≤0.04	≤0.45
X60	≤0.21	≤0.45	≤1.60	≤0.020	≤0.010	≤0.15	≤0.05	≤0.04	协议
X65	≤0.16	≤0.45	≤1.60	≤0.020	≤0.010	≤0.06	≤0.05	≤0.06	≤0.45
X70	≤0.16	≤0.45	≤1.70	≤0.020	≤0.010	≤0.06	≤0.05	≤0.06	≤0.45
Indicate:1.0.015%≤Altot<0.06%;N≤0.012%;Al/N≥2/1;Cu≤0.25%;Ni≤0.30%;Cr≤0.30%;Mo≤0.10% 2.V+Nb+Ti≤0.15 3.X60、X65、X70After negotiationMo≤0.35%

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