API 5L Gr B Seamless Carbon Steel Pipe for Oil and Gas Pipeline

API 5L Gr B Seamless Carbon Steel Pipe is a carbon steel line pipe that conforms to the American Petroleum Institute specification for pipeline transportation systems . Manufacturers produce this API 5L Gr B Seamless Carbon Steel Pipe for reliable performance in the oil and gas industry and related applications .

Product Parameters

Outer diameter range: 1/2 inch to 36 inches (21.3mm to 914.4mm) .

Regular sizes include 1/2 inch, 1 inch, 2 inches, 4 inches, 6 inches, 8 inches, 10 inches, and 12 inches.

Wall thickness options follow Schedule 20, Schedule 40, Schedule 80, Schedule 160, STD, XS, and XXS classifications .

Standard lengths come in 6 meters, 12 meters, single random lengths, double random lengths, or we can customize according to project requirements .

The processing technique involves seamless manufacturing through hot finishing or cold drawing methods .

The pipe meets API 5L specification with PSL1 or PSL2 quality levels available . Packaging includes steel strip bundles with waterproof wrapping, wooden protection, and plastic caps on both ends. We offer various surface treatments including black bare finish, oiled coating, varnish painting, shot blasting, or anti-corrosion coatings.

Chemical Composition (Typical %)

Carbon (C): 0.24 maximum
Manganese (Mn): 1.20 maximum
Phosphorus (P): 0.025 maximum
Sulfur (S): 0.015 maximum
Silicon (Si): 0.45 maximum
Copper (Cu): 0.50 maximum
Nickel (Ni): 0.30 maximum
Chromium (Cr): 0.30 maximum
Molybdenum (Mo): 0.15 maximum

Physical Properties

Tensile Strength: 414 MPa (60,000 psi) minimum
Yield Strength: 241 MPa (35,000 psi) minimum
Elongation: 21 to 27 percent depending on wall thickness

Product Applications

This pipe serves in oil and gas transmission pipelines for cross-country and in-plant systems . Natural gas transportation networks rely on this grade for gathering and distribution lines . Petrochemical facilities use it for process piping and refinery applications . Water and slurry transmission systems benefit from its reliable performance. Structural applications include piling, casing, and general construction projects. Engineers also specify this pipe for injection lines, export lines, and flowlines in production facilities .