API STANDARD SPCIFICATION
LINE PIPE PSL1&PSL2 FOR PETROLEUM AND NATURAL GAS INDUSTRY (API 5L)
Standard: API 5L (44th edition) PSL1&PSL2
Steel grades: GRADE B, GRADE E X46, GRADE E X52, GRADE E X56, GRADE E X60
Delivery condition: R, N
Size range: OD NPS 2 1/2 TO NPS 24, WT 6MM TO 35 MM, According to ASME/ANSI B36.10M
Tolerance: according to API 5L(44th edition)
Length: customized according to requirements
Certificate: EN 10204/3.1
GENERAL INFORMATION
Pipes used in transportation of oil, gas, water and other liquid.
CHEMICAL SOMPOSITION (CAST ANALYSIS) IN%
PSL	Steel grade	Delivery condition	C max	Si max	Mn max	P max	S max
PSL1	B(L245)	R,N	0.28	--	1.20	0.030	0.030
	X42(L290)	R,N	0.28	--	1.30	0.030	0.030
	X46(320)	R,N	0.28	--	1.40	0.030	0.030
	X52(360)	R,N	0.28	--	1.40	0.030	0.030
	X56(390)	R,N	0.28	--	1.40	0.030	0.030
	X60(415)	R,N	0.28	--	1.40	0.030	0.030
PSL2	BR(L245R) BN(L245N)	R,N	0.24	0.40	1.20	0.025	0.015
	X42R(L290R) X42N(L290N)	R,N	0.24	0.40	1.20	0.025	0.015
	X46N(L320N)	N	0.24	0.40	1.20	0.025	0.015
	X52N(L360N)	N	0.24	0.40	1.20	0.025	0.015
	X56N(L390N)	N	0.24	0.40	1.20	0.025	0.015
	X60N(L415N)	N	0.24	0.40	1.20	0.025	0.015
Note: R: As-rolled; N: normalizing rolled, normalizing formed
MECHANICAL  PROPERTIES
PSL	Steel grade		Yield strength Min(Mpa)	Tensile strength Min(Mpa)	Elongation A Min(%)	Impact energy J
						Test temperature
						0℃
PSL1	B(L245)		245	415	AS PER API 5L	--
	X42(L290)		290	415		--
	X46(L320)		320	435		--
	X52(L360)		360	460		--
	X56(L390)		390	490		--
	X60(L415		415	520		--
PLS2	BR(L245R) BN(L290N)		245-450	415-760	AS PER API 5L	AS PER API 5L
	X42R(290R) X42N(L290N)		290-495	415-760
	X46N(L320N)		320-525	435-760
	X52N(L360N)		360-530	460-760
	X56N(L390N)		390-545	490-760
	X60N(L415N)		415-565	520-760