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API 5L X52 PSL1 Line Pipe

API 5L X52 PSL1 Line Pipe delivers reliable medium-strength performance for oil, gas, and water transmission applications. Available in seamless and welded formats with comprehensive quality assurance, it provides proven performance for pipeline infrastructure projects worldwide.

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Product Description

Key Features:

1) Perfect balance between Grade B economy and X60 performance

2) Compatible with ASME B31.4 (liquids) and B31.8 (gas) design codes

3) Availability stocked by major pipe distributors globally

4) Reduced wall thickness possible compared to Grade B for equivalent pressure

API 5L PSL1 LINE PIPE Chemical Composition & Mechanical Property:

Pipe Grade	Chemical Composition, %				API 5 PSL1 line pipe Mechanical Properties
Pipe Grade	C (Max)	Mn (Max)	P (Max)	S (Max)	Yield Strength (min) MPa (psi)	Tensile Strength (min) MPa (psi)
Seamless Pipe
L245 or B	0.28	1.20	0.030	0.030	245 (35,500)	415 (60,200)
L290 or X42	0.28	1.30	0.030	0.030	290 (42,100)	415 (60,200)
L320 or X46	0.28	1.40	0.030	0.030	320 (46,400)	435 (63,100)
L360 or X52	0.28	1.40	0.030	0.030	360 (52,200)	460 (66,700)
L390 or X56	0.28	1.40	0.030	0.030	390 (56,600)	490 (71,100)
L415 or X60	0.28	1.40	0.030	0.030	415 (60,200)	520 (75,400)
L450 or X65	0.28	1.40	0.030	0.030	450 (65,300)	535 (77,600)
L485 or X70	0.28	1.40	0.030	0.030	485 (70,300)	570 (82,700)
Welded Pipe
L245 or B	0.26	1.20	0.030	0.030	245 (35,500)	415 (60,200)
L290 or X42	0.26	1.30	0.030	0.030	290 (42,100)	415 (60,200)
L320 or X46	0.26	1.40	0.030	0.030	320 (46,400)	435 (63,100)
L360 or X52	0.26	1.40	0.030	0.030	360 (52,200)	460 (66,700)
L390 or X56	0.26	1.40	0.030	0.030	390 (56,600)	490 (71,100)
L415 or X60	0.26	1.40	0.030	0.030	415 (60,200)	520 (75,400)
L450 or X65	0.26	1.45	0.030	0.030	450 (65,300)	535 (77,600)
L485 or X70	0.26	1.65	0.030	0.030	485 (70,300)	570 (82,700)

General information:

Standard: API 5L / ISO 3183

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

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.