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API 5L X80 carbon welded steel pipe

API 5L X80 Pipe is a specification for steel line pipe used in pipeline transportation systems for oil, gas, and water. API 5L X80 grade steel is designed for high-pressure applications and is used in demanding environments, including arctic regions, where high strength and excellent low-temperature toughness are required.

Classification :

Welded Pipe

WhatsApp : +8615688862221

E-mail : QSsteel@tsingshanh.com

PRODUCT DETAILS

Product introduction

Api 5l X80 Psl2 Sizes	Nominal Pipe Size 1/2" to 48" O.D. Wall Thickness: Schedule 10 through 160, STD, XS, XXS.
Api 5l X80 Erw Pipe Standard	API 5L (Specification for Line Pipe - Latest Edition, e.g., 46th Edition, 2018). Note: The referenced 44th Edition (2007) is outdated.
Product Specification Level (PSL)	API 5L X80 PSL 2 API 5L X80 PSL 1
API 5L X80 Line Pipe Length	Single Random, Double Random & Required Length, Custom Size - Typical 12 Meter lengths or as per project specification.
Api Grade X80 Pipe End	Plain, Bevel, Threaded (as per API 5L and customer specification).
Testing and Inspection Reports	Mill Test Certificate per EN 10204 3.1 / 3.2, PMI Test, NDT Reports (UT, RT, etc.), Destructive Test Reports, Third Party Inspection Reports as required.
API 5L X80 Pipes Type	Seamless (SMLS) / Electric Resistance Welded (ERW) / Longitudinal Submerged Arc Welded (LSAW). Note: "CDW" is not a standard API 5L pipe type for X80 grade.

Technical data

ASTM API 5L X80 Seamless and Welding Steel Tube Mechanical Properties:

Grade	API 5L X80 / PSL2 (for both pipe body and weld seam of applicable pipe types)
Pipe body of seamless and welded pipes	Yield Strength (Min): 555 MPa(500 psi) Yield Strength (Max): 705 MPa(300 psi) Tensile Strength (Min): 625 MPa(600 psi)
Weld seam of EW, LW, SAW and COW pipe	Tensile Strength (Min): 625 MPa(600 psi) Tensile Strength (Max): 825 MPa(700 psi) Note: "COW" is not a standard welding process designation for API 5L line pipe. The common types are ERW, HFW, SAW (Longitudinal or Spiral).
X80 Pipe yield strength	Yield Strength (Min): 555 MPa Tensile Strength Range: 625 - 700 MPa (Typical specified range for pipe body, may vary slightly by standard edition and supplemental requirement) Elongation (Min): 20% (Typical minimum, dependent on specimen size per API 5L) Yield-to-Tensile Ratio (Max): ≤ 0.93 (Typical requirement for high-grade line pipe to ensure strain capacity, please refer to the latest API 5L specification for the exact value).

X80 Pipe yield strength

Grade	Permissible yield point ratio	Yield Strength MPa(min)	Tensile Strength MPa	Elongation % (min)
X80	= 0.90	555	625 – 700	20

Packing and shipping

Our company has passed ISO9001 quality management system certification, Our Mill product with CE/EN10204 / ASTM/Classification society certificate/CASO/BIS etc certificate.All the customers give good appreciation to our products.We are glad to be your good partner.

Application Areas

Steel is widely used in steel structure workshops, bridge frames, main structures of high-rise buildings, and infrastructure construction (such as highways, oil and gas pipelines). Its high strength properties ensure load-bearing stability and seismic performance. In ship manufacturing, steel is used to build hull structures, decks, and internal components. Hot-rolled coils rely on their load-bearing capacity to adapt to harsh environments. ‌

CUSTOMER FEEDBACK

Exporting our products to more than 100 countries and regions worldwide.All the customers give good appreciation to our products.We are glad to be your good partner. Warmly welcome you to visit our factory!

FACTORY WORKSHOP

Factory workshop

APPLICATION FIELD

Construction Project

Marine Exploration

Automobile Manufacturing

Architectural Engineering

Aerospace

Solar Energy

FAQ

Q: Do you support custo

A: Yes. We provide one-stop deep processing services, including slitting, flattening, cutting, bending, welding, polishing, drilling, hot-dip galvanizing and color coating. Custom sizes, special thicknesses and surface treatments are all acceptable.

Q: Can you provide third-party inspection reports?

A: Yes. We support SGS, BV, TUV and other third-party inspections. Each batch is equipped with official factory MTC mill test certificate, chemical composition and mechanical property reports.

Q: How to choose the right steel grade for my project?

A: Carbon steel is suitable for general structure and fluid transportation; galvanized/color coated steel for anti-rust building enclosure; stainless steel for corrosion-resistant, sanitary and marine environments. Our professional sales team can recommend the most cost-effective solution according to your usage scenario, temperature, corrosion environment and load requirements.

Q: What standards do your steel products comply with?

A: All products support international mainstream standards, including GB, ASTM, AISI, JIS, DIN, EN. Common grades such as Q235B, Q355B, 20#, 45#, 304, 316L, 430 are fully available and can meet global engineering and procurement standards.

Q: What steel products do you supply?

A: We provide a full range of steel materials, including carbon steel, stainless steel, galvanized steel, color coated steel, steel plates, steel coils, steel pipes and customized steel profiles. Products are widely used in construction, machinery, petrochemical, shipbuilding, automobile and engineering fields.

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