X56 seamless steel pipe

2 year ago

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2 year

Product details

API 5L X56 is a specification for seamless steel pipe and welded steel pipe, primarily used for transportation of oil and gas in the petroleum industry. It belongs to the API 5L specification series, which defines standards for various grades of line pipes. X56 indicates a specific grade with a minimum yield strength of 56,000 psi (386 MPa) and a minimum tensile strength of 71,000 psi (490 MPa). The API 5L X56 carbon steel pipe undergo testing and inspection to ensure they meet the specified requirements for mechanical properties, chemical composition, and dimensional tolerances.

STANDARD OF API 5L GR.X56 seamless steel pipe

Standard	Grade	Chemical Composition(%)				Tensile STrength(min)	Yield Strength(min)
Standard	Grade	C Mn P S				Mpa	Mpa
API 5L PSL1	A	0.22	0.90	0.030	0.030	335	210
	B	0.28	1.20	0.030	0.030	415	245
	X42	0.28	1.30	0.030	0.030	415	290
	X46	0.28	1.40	0.030	0.030	435	320
	X52	0.28	1. 40	0.030	0.030	460	360
	X56	0.28	1.40	0.030	0.030	490	390
	X60	0.28	1.40	0.030	0.030	520	415
	X65	0.28	1.40	0.030	0.030	535	450
	X70	0.28	1.40	0.030	0.030	570	485
Standard	Grade	Chemical Composition(%)				Tensile STrength	Yield Strength
Standard	Grade	C Mn P S				Mpa	Mpa
API 5L PSL2	B	0.24	1.20	0.025	0.015	415-655	245-450
	X42	0.24	1.30	0.025	0.015	415-655	290-495
	X46	0.24	1.40	0.025	0.015	435-655	320-525
	X52	0.24	1. 40	0.025	0.015	460-760	360-530
	X56	0.24	1. 40	0.025	0.015	490-760	390-545
	X60	0.24	1. 40	0.025	0.015	520-760	415-565
	X65	0.24	1.40	0.025	0.015	535-760	450-600
	X70	0.24	1.40	0.025	0.015	570-760	485-635
	X80	0.24	1. 40	0.025	0.015	625-825	555-705

DIMENSION TOLERANCES OF API 5L GR.X56 seamless steel pipe

Types	Types		Uses
Hot rolled	OD	<50	±0.50mm
	OD	≥50	±1%
	WT	<4	±12. 5%
		≥4~20	+15%, - 12. 5%
		>20	±12. 5%
Cold drawn	OD	6~10	±0. 20mm
		10~30	±0. 40mm
		30~50	±0. 45
		>50	±1%
	WT	≤1	±0. 15mm
		>1~3	+15%, - 10%
		>3	+12.5%, - 10%

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Hydrogrand Steel Pipe Co.,ltd

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Main Product: Seamless Steel Pipe, Welded Steel Pipe, Casing and Tubing, Carbon Steel Pipe, Stainless Steel Pipe, Alloy Steel Pipe

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