API 5L X52 PSL2 Seamless Steel Pipe

API 5L X52 PSL2 Seamless Steel Pipe is a medium-strength carbon steel line pipe designed for oil and gas transmission systems . This API 5L X52 PSL2 Seamless Steel Pipe meets stringent chemical and mechanical requirements for reliable performance in critical applications . Many mills offer this product with dual certification to ASTM A106 Gr B Seamless Carbon Steel Pipe, giving buyers additional flexibility for projects requiring both specifications . Unlike the lower-grade ASTM A106 Gr B Seamless Carbon Steel Pipe, this X52 grade delivers higher yield strength for demanding pipeline environments.

Product Parameters

Outer diameter range: 1/2 inch to 24 inches (21.3mm to 609.6mm) .

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

Wall thickness options follow Schedule 10 through Schedule 160, STD, XS, and XXS classifications .

Standard lengths come in 6 meters, 12 meters, 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 PSL2 specification with strict quality control requirements .

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, 3LPE coating, FBE coating, or as per request .

Chemical Composition (Typical %)

Carbon (C): 0.24 maximum
Manganese (Mn): 1.40 maximum
Phosphorus (P): 0.025 maximum
Sulfur (S): 0.015 maximum
Silicon (Si): 0.45 maximum
Vanadium (V): 0.10 maximum
Niobium (Nb): 0.05 maximum
Titanium (Ti): 0.04 maximum

Physical Properties

Tensile Strength: 460-760 MPa (66,700-110,200 psi)
Yield Strength: 360-530 MPa (52,200-76,900 psi)
Elongation: 21 percent minimum
Charpy Impact Testing: Required for PSL2 grades
Hardness: Maximum 250 HV for standard service

Product Applications

This pipe serves in onshore oil and gas gathering pipelines for cross-country transmission . Medium-pressure gas transmission systems use it for distribution networks up to 80-100 bar design pressure . Petrochemical facilities and refineries rely on this grade for process piping applications . Produced water and multiphase flow lines benefit from its reliable performance . Pipeline station piping and terminal facilities incorporate this material for consistent quality . Recent major projects like the Indonesian Dumai-Manggis pipeline utilize API 5L X52 PSL2 for natural gas transmission infrastructure . Engineers also specify this pipe for pipeline bends, fabricated fittings, and special applications requiring higher strength than standard Grade B materials .