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API 5L
LINE PIPES
Line pipes are employed in gas lines and lifting systems, oil and gas rafineries and oil gas fields equipments. Pipes may be supplied with API monogram according to API Spec 5L. Chemical composition may comform to NACE MR 01-75 requirements.
CHEMICAL PROPERTIES
LEVEL	GRADE	Chemical Composition ( by % )
		C (max)	Mn (max)	P		S (max)
		C (max)	Mn (max)	(min)	(max)	S (max)
PSL 1	A25, C1 I	0,21	0,6		0,03	0,03
	A25, C1 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
	X42	0,28	1,3		0,03	0,03
	X46, X52, X56	0,28	1,4		0,03	0,03
	X60, X65	0,28	1,4		0,03	0,03
PSL 2	B	0,24	1,2		0,025	0,015
	X 42	0,24	1,3		0,025	0,015
	X46, X52, X56	0,24	1,4		0,025	0,015
	X60, X65	0,24	1,4		0,025	0,015
MECHANICAL PROPERTIES
LEVEL	GRADE	Tensile Strength ( min )				Yield Strength (min)
		( min )		( max )		( min )		( max )
		psi	Mpa	psi	Mpa	psi	Mpa	psi	Mpa
PSL 1	A 25	25000	172			45000	310
	A	30000	207			48000	331
	B	35000	241			60000	414
	X 42	42000	290			60000	414
	X 46	46000	317			63000	434
	X 52	52000	359			66000	455
	X 56	56000	386			71000	490
	X 60	60000	414			75000	517
	X 65	65000	448			77000	531
PSL 2	B	35000	241	65000	448	60000	414	110000	758
	X 42	42000	290	72000	496	60000	414	110000	758
	X 46	46000	317	76000	524	63000	434	110000	758
	X 52	52000	359	77000	531	66000	455	110000	758
	X 56	56000	386	79000	544	71000	490	110000	758
	X 60	60000	414	82000	565	75000	517	110000	758
	X 65	65000	448	87000	600	77000	531	110000	758

API 5L