Specification for Line Pipe
DIMENSIONS
PSL 1 pipe can be supplied in sizes ranging from 0.405 through 80.
PSL 2 pipe can be supplied in sizes ranging from 4 1/2 through 80.
Types of Pipe
Seamless Pipe Continuous
Welded Pipe
Electric Welded Pipe
PSL 1 Electric Welded Pipe
PSL 2 Electric Welded Pipe
Laser Welded Pipe
Longitudinal Seam Submerged-arc Welded Pipe
Gas Metal-arc Welded Pipe
Combination Gas Metal-arc and Submerged-arc Welded Pipe
Double Seam Submerged-arc Welded Pipe
Double Seam Gas Metal-arc Welded Pipe
Double Seam Combination Gas Metal-arc and Submerged-arc Welded Pipe

Grade and Class

Grade (see Note)	Symbol
A25.I	A25
A25.II	A25R
A	A
B	B
X42	X42
X46	X46
X52	X52
X56	X56
X60	X60
X65	X65
X70	X70
X80	X80

 

PSL 1 Chemical Requirements for Heat and Product Analyses by Percentage of Weigh

(1)	(2)	(3)	(4)		(5)	(6)	(7)
Grade & Class	Carbon，Maximum	Manganese ，Maximum	Phosphorus		Sulfur ，Maximum	Titanium， Maximum	Other
			Minimum	Maximum
Seamless
A25,CI Ⅰ	0.21	0.6		0.03	0.03
A25,CI Ⅱ	0.21	0.6	0.045	0.08	0.03
A	0.22	0.9		0.03	0.03
B	0.28	1.2		0.03	0.03	0.04	b，c，d
X42	0.28	1.3		0.03	0.03	0.04	c，d
X46,X52,X56	0.28	1.4		0.03	0.03	0.04	c，d
X60f	0.28	1.4		0.03	0.03	0.04	c，d
X65f，X70f	0.28	1.4		0.03	0.03	0.06	c，d
Welded
A25,CI Ⅰ	0.21	0.6		0.03	0.03
A25,CI Ⅱ	0.21	0.6	0.045	0.08	0.03
A	0.22	0.9		0.03	0.03
B	0.26	1.2		0.03	0.03	0.04	b，c，d
X42	0.26	1.3		0.03	0.03	0.04	c，d
X46,X52,X56	0.26	1.4		0.03	0.03	0.04	c，d
X60f	0.26	1.4		0.03	0.03	0.04	c，d
X65f	0.26	1.45		0.03	0.03	0.06	c，d
X70f	0.26	1.65		0.03	0.03	0.06	c，d

 

PSL 2 Chemical Requirements for Heat and Product Analyses by Percentage of Weight

(1)	(2)	(3)	(4)	(5)	(6)	(7)
Grade	Carbon， Maximum	Manganese， Maximum	Phosphorus， Maximum	Sulfur ， Maximum	Titanium ， Maximum	Other
Seamless
B	0.24	1.2	0.025	0.015	0.04	d，e
X42	0.24	1.3	0.025	0.015	0.04	c，d
X46,X52,X56,X60	0.24	1.4	0.025	0.015	0.04	c，d
X65,X70,X80	0.24	1.4	0.025	0.015	0.06	c，d
Welded
B	0.22	1.2	0.025	0.015	0.04	d，e
X42	0.22	1.3	0.025	0.015	0.04	c，d
X46,X52,X56	0.22	1.4	0.025	0.015	0.04	c，d
X60f	0.22	1.4	0.025	0.015	0.04	c，d
X65f	0.22	1.45	0.025	0.015	0.06	c，d
X70f	0.22	1.65	0.025	0.015	0.06	c，d
X80f	0.22	1.85	0.025	0.015	0.06	c，d

 

Tensile Requirements for PSL 1

(1)	(2)		(3)		(4)
Grade	Yield Strength, Minimum		Ultimate Tensile Strength, Minimum		Elongation in 2 in.(50.8 mm), Minimum, Percent
	Psi	Mpa	Psi	Mpa
A25	25,000	-172	45,000	-310	a
A	30,000	-207	48,000	-331	a
B	35,000	-241	60,000	-414	a
X42	42,000	-290	60,000	-414	a
X46	46,000	-317	63,000	-434	a
X52	52,000	-359	66,000	-455	a
X56	56,000	-386	71,000	-490	a
X60	60,000	-414	75,000	-517	a
X65	65,000	-448	77,000	-531	a
X70	70,000	-483	82,000	-565	a

 

Tensile Requirements for PSL 2

(1)	(2)		(3)		(4)		(5)		(6)
Grade	Yield Strength, Minimum		Yield Strength, Minimum		Ultimate Tensile Strength, Minimum		Ultimate Tensile Strength, Minimum		Elongation in 2 in.(50.8 mm), Minimum, Percent
	Psi	Mpa	Psi	Mpa	Psi	Mpa	Psi	Mpa
B	35,000	-241	65,000	-448	60,000	-414	110,000	-758	a
X42	42,000	-290	72,000	-496	60,000	-414	110,000	-758	a
X46	46,000	-317	76,000	-524	63,000	-434	110,000	-758	a
X52	52,000	-359	77,000	-531	66,000	-455	110,000	-758	a
X56	56,000	-386	79,000	-544	71,000	-490	110,000	-758	a
X60	60,000	-414	82,000	-565	75,000	-517	110,000	-758	a
X65	65,000	-448	87,000	-600	77,000	-531	110,000	-758	a
X70	70,000	-483	90,000	-621	82,000	-565	110,000	-758	a
X80	80,000	-552	100,000	-690	90,000	-621	120,000	-827	a