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API 5L PSL1 PSL2 X52 ERW welded steel pipes

API 5l x52 Specifications for these pipes regulate usage for standard Grade A and Grade B pipes,
with Grade X indicating stronger variants for drilling, production and transport requirements for offshore, arctic, deep well or harsher environments.

Key words:

steel

Classification:

Steel

Email:

du@jingui-metalworking.com

Whatsapp:

+86 15631585667

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Description

Product introduction

API 5l x52 Specifications for these pipes regulate usage for standard Grade A and Grade B pipes, with Grade X indicating stronger variants for drilling, production and transport requirements for offshore, arctic, deep well or harsher environments.

API 5L X52 pipe is 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.

Specification

X52 Carbon Steel Pipe Standard	API 5L X52 (Specification for X52 Grade PSL1 Line Pipe - ANSI/API specification 5L - 44th Edition, October 1, 2007)
Steel Grade X52 Pipe Sizes	Nominal X52 Grade PSL1 Pipe Size 1/2" to 48 " O.D. API 5L X52 Pipe Wall Thickness - Schedule 10 through 160, STD, XS, XXS.
Product Specification Level (PSL)	API 5L X52 PSL 2 API 5L X52 PSL 1
API 5L Gr X52 Pipe Thickness	SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XS, SCH XXS, All API 5L X52 Pipe Wall Thickness available in stock
HIC Tested X52 Pipe End	Plain, Bevel, Screwed, Threaded
L360 X52 Pipe Type	Seamless / ERW / Welded / Fabricated / CDW
X52 PSL1 Pipe Length	Single Random, Double Random & Required Length, Custom Size - 12 Meter lengths
Testing and Inspection Reports	EN 10204 3.1, Mill TC EN 10204 3.1, Visual Inspection Reports, Third Party Inspection Reports, Destructive Test Report, PMI Test Reports, Non Destructive Test Reports, NABL Approved Lab, Chemical and Mechanical Reports, India Boiler Regulations (IBR) Test Certificate
API 5L Grade X52 PSL1 Pipe Packing	Grade X52 PSL2 Pipe Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests
X52 Grade PSL2 Pipe Finishes	Bare, Oiled, Mill Varnish, Galv, FBE, FBE Dual, 3LPE, 3LPP, Coal Tar, Concrete Coating and Tape Wrap API 5L Grade X52 PSL2 Pipe API 5L X52 PSL1 Pipe End Finishes: Beveled, Square Cut, Threaded & Coupled.
Grade X52 Pipe Application & uses	API 5L X52 Gr B Pipe Suitable for Conveying gas, water, oil, and other liquefied media in Oil Refineries, Petrochemicals, Steel, Sugar, Boiler Equipments, Pressure Vessels, Power Generation (Nuclear/Thermal) and General Engineering Purposes
BS EN 10208-2:2009	API 5L Grade X52 PSL1 pipelines for combustible fluids. Suitable to use in maximum operating pressure over 16 bar.
Value added service for X52 PSL2 Pipe	3LPE coated Steel X52 Pipe Fusion Bond Epoxy ARO Tar Epoxy Heat Treatment Bending Galvanizing Annealed Sand Blasting Machining Draw & Expansion as per required Size & Length etc.

Technical data

API X52 Chemical Composition

X52 PSL1				X52 PSL2
Grade	C (Max.)	Mn (Max.)	P (Max.)	S (Max.)	C (Max.)	Mn (Max.)	P (Max.)	S (Max.)
X52	0.26	1.40	0.03	0.03	0.22	1.40	0.025	0.015

Physical Properties

API 5L Grade	Yield Strength min. (ksi)	Tensile Strength min. (ksi)	Yield to Tensile Ratio (max.)	Elongation min. %1
X52	52	66

About us

Founded in 1997, Jingui Machinery Processing Co., Ltd. is a China-based manufacturer specializing in custom metalworking, machinery manufacturing, precision parts processing, laser cutting, welding, and non-standard equipment manufacturing.

Located in Caizhuang Industrial Park, Laoting County, Tangshan City, our manufacturing facility has a total construction area of approximately 5,500 square meters, supported by dedicated production areas and a team of skilled machining and welding professionals.

Comprehensive Manufacturing Capabilities

Jingui operates a wide range of conventional and CNC manufacturing equipment, including CNC gantry milling machines, CNC machining centers, vertical milling machines, drilling and boring machines, gear hobbing machines, large lathes up to Φ1,600 mm, thread rolling machines, large-format laser cutting machines, CNC cutting machines, plate shearing and bending machines, plate rolling machines, plate flattening machines, a 400-ton hydraulic press, and multiple welding machines.

This equipment enables us to handle a broad range of custom manufacturing requirements, from individual metal components and fabricated parts to large non-standard equipment and complete machinery assemblies.

Our manufacturing capabilities include:

CNC machining and precision parts manufacturing
Laser cutting and CNC cutting
Sheet metal fabrication
Welding and structural fabrication
Casting and machining
Large-part and heavy machining
Non-standard equipment manufacturing
Custom metal components
Machinery assembly and maintenance

Engineering & Product Development

Jingui has developed proprietary products and manufacturing solutions for industrial applications. The grain storage roof sealing support independently developed by our company has been applied in the construction of national grain reserve facilities in China.

We also hold one national invention patent and two utility model patents. These achievements reflect our continued investment in engineering development, manufacturing technology, and product improvement.

From Raw Materials to Finished Products

We provide an integrated manufacturing service covering material procurement, production, machining, fabrication, assembly, installation, inspection, delivery, and after-sales support.

By keeping key manufacturing processes under our own production control, we can respond flexibly to customized requirements while maintaining consistent quality and production efficiency.

Whether you need custom metal parts, fabricated components, precision machining, or non-standard machinery, our engineering and production teams work closely with customers to develop practical manufacturing solutions based on their drawings, specifications, and application requirements.

Building Long-Term Partnerships

With more than 25 years of manufacturing experience, Jingui is committed to providing reliable products, responsive service, and practical manufacturing solutions.

We believe long-term cooperation is built on consistent quality, transparent communication, and dependable delivery. We continue to improve our manufacturing capabilities and develop new products to meet the evolving requirements of industrial customers.

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