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API 5L X70 PSL2 Line Pipe

API 5L X70 PSL2 Line Pipe represents the optimal balance of high strength, excellent toughness, and reliable performance for modern pipeline infrastructure.

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Product Description

Key Features:

1) Higher yield strength allows for reduced wall thickness and lower material weight

2) Mandatory impact testing ensures reliable performance in demanding conditions

3) Restricted chemistry and carbon equivalent (CE) limits improve weldability

4) Maximum strength limits prevent over-matching in welded joints

5) Extensively used in major global pipeline projects

6) Compatible with ASME B31.4 (liquid) and B31.8 (gas) design codes

API 5L PSL2 LINE PIPE Chemical Composition & Mechanical Property:

Pipe Grade		Chemical Composition
	Delivery Condition	max, %
		C	Si	Mn	P	S
Seamless and Welded Pipe
L245 or B	R	0.24	0.40	1.20	0.025	0.015
L290 or X42	R	0.24	0.40	1.20	0.025	0.015
L245 or B	N	0.24	0.40	1.20	0.025	0.015
L290 or X42	N	0.24	0.40	1.20	0.025	0.015
L320 or X46	N	0.24	0.40	1.40	0.025	0.015
L360 or X52	N	0.24	0.45	1.40	0.025	0.015
L390 or X56	N	0.24	0.45	1.40	0.025	0.015
L415 or X60	N	0.24	0.45	1.40	0.025	0.015
L245 or B	Q	0.18	0.45	1.40	0.025	0.015
L290 or X42	Q	0.18	0.45	1.40	0.025	0.015
L320 or X46	Q	0.18	0.45	1.40	0.025	0.015
L360 or X52	Q	0.18	0.45	1.50	0.025	0.015
L390 or X56	Q	0.18	0.45	1.50	0.025	0.015
L415 or X60	Q	0.18	0.45	1.70	0.025	0.015
L450 or X65	Q	0.18	0.45	1.70	0.025	0.015
L485 or X70	Q	0.18	0.45	1.80	0.025	0.015
L555 or X80	Q	0.18	0.45	1.90	0.025	0.015
L625 or X90	Q	0.16	0.45	1.90	0.020	0.010
L690 or X100	Q	0.16	0.45	1.90	0.020	0.010
Welded Pipe
L245 or B	M	0.22	0.45	1.20	0.025	0.015
L290 or X42	M	0.22	0.45	1.30	0.025	0.015
L320 or X46	M	0.22	0.45	1.30	0.025	0.015
L360 or X52	M	0.22	0.45	1.40	0.025	0.015
L390 or X56	M	0.22	0.45	1.40	0.025	0.015
L415 or X60	M	0.12	0.45	1.60	0.025	0.015
L450 or X65	M	0.12	0.45	1.60	0.025	0.015
L485 or X70	M	0.12	0.45	1.70	0.025	0.015
L555 or X80	M	0.12	0.45	1.85	0.025	0.015
L625 or X90	M	0.10	0.55	2.10	0.020	0.010
L690 or X100	M	0.10	0.55	2.10	0.020	0.010
L830 or X120	M	0.10	0.55	2.10	0.020	0.010

Pipe Grade	Delivery Condition	API 5 PSL2 line pipe Mechanical Properties
		Yield Strength MPa (psi)	Yield Strength MPa (psi)	Tensile Strength MPa (psi)	Tensile Strength MPa (psi)
		min	max	min	max
Seamless and Welded Pipe
L245 or B	R, N, Q, M	245 (35,500)	450 (65,300)	415 (60,200)	655 (95,000)
L290 or X42	R, N, Q, M	290 (42,100)	495 (71,800)	415 (60,200)	655 (95,000)
L320 or X46	N, Q, M	320 (46,400)	525 (76,100)	435 (63,100)	655 (95,000)
L360 or X52	N, Q, M	360 (52,200)	530 (76,900)	460 (66,700)	760 (110,200)
L390 or X56	N, Q, M	390 (56,600)	545 (79,000)	490 (71,100)	760 (110,200)
L415 or X60	N, Q, M	415 (60,200)	565 (81,900)	520 (75,400)	760 (110,200)
L450 or X65	Q, M	450 (65,300)	600 (87,000)	535 (77,600)	760 (110,200)
L485 or X70	Q, M	485 (70,300)	635 (92,100)	570 (82,700)	760 (110,200)
L555 or X80	Q, M	555 (80,500)	705 (102,300)	625 (90,600)	825 (119,700)
L625 or X90	M	625 (90,600)	775 (112,400)	695 (100,800)	915 (132,700)
L625 or X90	Q	625 (90,600)	775 (112,400)	695 (100,800)	915 (132,700)
L690 or X100	M	690 (100,100)	840 (121,800)	760 (110,200)	990 (143,600)
L690 or X100	Q	690 (100,100)	840 (121,800)	760 (110,200)	990 (143,600)
L830 or X120	M	830 (120,400)	1050 (152,300)	915 (132,700)	1145 (166,100)

General information:

Standard: API 5L / ISO 3183

Grade: B, X42, X46, X52, X56, X60, X65, X70, X80

Seamless: OD: 21.3-609.6mm; WT: Schedule 10, 40, STD, XS, to XXS; L: SRL / DRL / Cut to length

Welded: OD: 21.3-1422mm; WT: 3.2-60mm; L: SRL / DRL / Cut to length

Ends:

1) Beveled / Butt welded, the angle of the bevel shall be 30° with a tolerance of +5° 0°, and the width of the root face of the bevel shall be 1 .6 mm (0.063 in.), with a tolerance of ± 0.8 mm (0.031 in).

2) Plain or straight ends.

3) Threaded ends according to API Spec. 5B.

Available Coating: Bared, black painted (mill varnish), anti-corrosion coating, or metallic cladding.

Package: Hexagonal bundled with steel strips if pipe with OD≤219.08mm, loose packing if the pipe OD＞219.08mm, each bundle will not exceed 3tons.

Shipment: Land transportation by truck or train, sea transportation by container shipment or bulk vessel.

Our advantage:

Flexible Project Customization

We provide tailored manufacturing solutions to meet diverse project requirements, including customized outer diameter, wall thickness, and length specifications. In addition, we offer precision end preparation and a full range of anti-corrosion coating options to ensure optimal performance in various operating environments. This flexibility enables us to deliver line pipe solutions that align seamlessly with your technical and application needs.

Fast & Reliable Lead Time

With strong mill partnerships and readily available inventory resources, we are able to shorten production cycles and respond quickly to urgent project demands. Our integrated supply network ensures stable material availability, efficient scheduling, and on-time delivery — helping clients keep their projects on track without delay.

Advanced Technical & Quality Assurance

Equipped with our own metallurgical laboratories and supported by trusted third-party inspection agencies, we ensure every line pipe meets international standards and project specifications. Comprehensive testing and verification guarantee consistent mechanical properties, chemical composition, and coating integrity, providing clients with reliable, high-quality pipeline solutions.

Rapid Delivery & Complete Logistics

Leveraging fast supply capabilities and a well-established logistics network, we ensure timely delivery of line pipes to any project location. Our streamlined transportation and warehousing system minimize lead time, helping clients maintain smooth operations and meet critical project schedules.