YUAN Steel Pipe supplies API 5L line pipe for oil, gas and fluid transmission projects, covering API 5L Grade B, X42, X52, X56, X60, X65 and X70 in PSL1 and PSL2. Our product range includes seamless, ERW, HFW, LSAW and SSAW steel pipe, with flexible dimensions, wall thicknesses, pipe ends and coating options for international EPC contractors, distributors and pipeline projects.

API 5L Line Pipe Grade Comparison

API 5L Grade B is commonly selected for general pipeline applications, while higher-strength grades such as API 5L X52, X60 and X70 are used when higher strength requirements are specified. The appropriate grade and PSL should be selected according to pipeline design, operating conditions and project specifications.

API 5L Grade B Line Pipe

API 5L Grade B line pipe is widely used for oil, gas, water and other fluid transmission applications. YUAN Steel supplies Grade B pipe in seamless and welded configurations, including ERW options, according to required dimensions, wall thickness, pipe ends and PSL requirements.

API 5L X52 Line Pipe

API 5L X52 line pipe provides higher strength than Grade B and is widely used in oil and gas pipeline transmission systems. YUAN Steel supplies API 5L X52 pipe in seamless and welded configurations, with PSL1 and PSL2 options according to applicable API 5L and project requirements.

API 5L X60 Pipe

API 5L X60 pipe is a high-strength line pipe grade used for demanding oil, gas and long-distance pipeline transmission systems. YUAN Steel supplies API 5L X60 pipe in seamless and welded configurations, with PSL1 and PSL2 options according to project requirements.

Compared with lower-strength API 5L grades, X60 provides higher specified yield strength for pipeline systems where strength requirements are more demanding. Final grade selection should be based on pipeline design, operating conditions and applicable project specifications.

API 5L X70 Line Pipe

API 5L X70 line pipe is a high-strength API 5L grade designed for demanding pipeline transmission systems. YUAN Steel supplies X70 pipe according to applicable API 5L / ISO 3183 requirements, with PSL1 and PSL2 options subject to project specifications.

API 5L X70 is commonly considered when pipeline projects require higher specified strength while maintaining suitable weldability and fabrication performance.

Available Dimensions & Specifications for API 5L Line Pipe

YUAN Steel maintains flexible sourcing and production capabilities to support EPC (Engineering, Procurement, and Construction) projects globally. API 5L line pipe can be supplied according to grade, PSL, manufacturing process, dimensions, wall thickness, pipe ends and project-specific requirements.

Outside Diameter (OD)

NPS 1/2" to NPS 36" (21.3 mm to 914.4 mm), subject to manufacturing process and project requirements.

Wall Thickness

Schedule 20, Sch 40, STD, Sch 80, XS, Sch 160 and XXS, with available wall thickness depending on pipe grade, OD and manufacturing process.

Length

Single Random Length (SRL: 5–7 m), Double Random Length (DRL: 10–12 m), or custom cut-to-length.

Pipe Ends

Plain End (PE), Beveled End (BE), or Threaded & Coupled (T&C) where applicable.

Why Choose Yuan Steel Pipe for Your Api 5l Pipe Supplier ?

As a professional china api 5l pipe supplier, we go beyond just providing products. We deliver complete solutions:

1. Complete Product Coverage

One-stop sourcing for all your API 5L Pipe needs, from Seamless API 5L Pipe to welded, from PSL1 to PSL2, from Grade B to X70.

2. Rigorous Quality Control

We strictly adhere to the api 5l erw steel pipe specification at every production stage, ensuring every api 5l erw pipe meets or exceeds international standards.

3. Global Logistics Capability

With exports to over 50 countries, we ensure seaworthy packaging, accurate documentation, and fast, reliable lead times.

4. Professional Customization Services

Need custom lengths, specific coatings (like 3LPE, FBE), or additional testing (HIC, SSC), Our team provides tailored solutions to match your exact project specifications.

FAQ

Q: How can I get the most accurate API 5L Line Pipe Price List?

A: Steel prices fluctuate daily. For the most accurate API 5L Line Pipe quote, please contact our sales team with your specific requirements: quantity, grade (e.g., X52 or X70), specification level (PSL1 or PSL2), dimensions, coating, and destination port. We will provide a detailed price list within 24 hours.

Q: What is the main difference between API 5L seamless pipe and API 5L welded pipe? 

A:  API 5L Seamless Line Pipe has no longitudinal weld seam, offering superior strength and uniformity for high-pressure, high-temperature, and critical applications. API 5L welded pipe (like ERW) is manufactured from steel coils and welded, making it more cost-efficient for larger diameters and standard pressure projects.

Q: What production specifications and grades of API 5L pipe can YUAN supply?

A: As a leading Chinese API 5L pipe supplier, YUAN provides a full range of API 5L line pipe in both seamless (SMLS) and welded (ERW, LSAW, SSAW) structures. We supply Product Specification Levels 1 and 2 (PSL1 & PSL2), covering standard Grade B up to high-strength grades like X42, X52, X60, X65, and X70. Dimensions range from 1/2" to 60" OD to match diverse pipeline engineering needs.

Q: What anti-corrosion coating options do you offer for buried or offshore API 5L pipelines?

A: To maximize pipeline service life in harsh environments, we provide comprehensive external and internal anti-corrosion coating services. Our capabilities include 3LPE (3-Layer Polyethylene), 3LPP, Fusion Bonded Epoxy (FBE), and internal liquid epoxy linings. All coated API 5L line pipes undergo holiday detection and adhesion testing before packaging to avoid transit and installation damage.