API 5L X52 X56 Pipeline

API 5L X52 pipe also called L360 Pipe, X52 (L360) named by minimum yield strength 52 Ksi (360 Mpa). It’s a medium grade in API 5L and ISO 3183 specifications, used for oil and gas pipeline transmissions.

Product introduction API 5L X52 pipe also called L360 Pipe, X52 (L360) named by minimum yield strength 52 Ksi (360 Mpa). It’s a medium grade in API 5L and ISO 3183 specifications, used for oil and gas pipeline transmissions. Product Parameters Seamless: Includes hot rolled seamless and cold drawn seamless. ERW: Electric Resistance Welded, OD up to 24 inch. DSAW/SAW: Double Sub-merged Arck Welding, substitute welding methods than ERW for larger diameter welded pipes. LSAW: Longitudinal Sub-merged Arc Welding, also called JCOE pipe, OD up to 56 inch. SSAW / HSAW: Spiral Sub-merged Arc Welding, or Helical SAW, OD up to 100 inch.

Standard	Grade	Chemical Composition (%)					Mechanical Properties
ASTM A53	Grade	C	Si	Mn	P	S	Tensile STrength(Mpa)	Yield STrength(Mpa)
	A	≤0.25	–	≤0.95	≤0.05	≤0.06	≥330	≥205
	B	≤0.30	–	≤1.2	≤0.05	≤0.06	≥415	≥240
ASTM A106	A	≤0.30	≥0.10	0.29-1.06	≤0.035	≤0.035	≥415	≥240
ASTM A106	B	≤0.35	≥0.10	0.29-1.06	≤0.035	≤0.035	≥485	≥275
ASTM A179	A179	0.06-0.18	–	0.27-0.63	≤0.035	≤0.035	≥325	≥180
ASTM A192	A192	0.06-0.18	≤0.25	0.27-0.63	≤0.035	≤0.035	≥325	≥180
API 5L PSL1	A	0.22	–	0.90	0.030	0.030	≥331	≥207
	B	0.28	–	1.20	0.030	0.030	≥414	≥241
	X42	0.28	–	1.30	0.030	0.030	≥414	≥290
	X46	0.28	–	1.40	0.030	0.030	≥434	≥317
	X52	0.28	–	1.40	0.030	0.030	≥455	≥359
	X56	0.28	–	1.40	0.030	0.030	≥490	≥386
	X60	0.28	–	1.40	0.030	0.030	≥517	≥448
	X65	0.28	–	1.40	0.030	0.030	≥531	≥448
	X70	0.28	–	1.40	0.030	0.030	≥565	≥483
API 5L PSL2	B	0.24	–	1.20	0.025	0.015	≥414	≥241
	X42	0.24	–	1.30	0.025	0.015	≥414	≥290
	X46	0.24	–	1.40	0.025	0.015	≥434	≥317
	X52	0.24	–	1.40	0.025	0.015	≥455	≥359
	X56	0.24	–	1.40	0.025	0.015	≥490	≥386
	X60	0.24	–	1.40	0.025	0.015	≥517	≥414
	X65	0.24	–	1.40	0.025	0.015	≥531	≥448
	X70	0.24	–	1.40	0.025	0.015	≥565	≥483
	X80	0.24	–	1.40	0.025	0.015	≥621	≥552