API 5L Line Pipe
Seamless ERW API 5L Line Pipe for dependable transmission of oil and gas to any type of collection and distribution point.
U. S. Steel Tubular Products API 5L steel pipe comes in a variety of wall thicknesses and is manufactured domestically, to order, to meet our customer’s particular application requirements. We offer both seamless and welded (ERW*) to meet the particular challenges of all transmission environments.
An understanding of the planned end use and desired method of pipe fabrication is a necessary prerequisite for selecting the appropriate material specification, pipe grade, special requirement (ASTM), API 5L product service level (PSL), API 5L Annex Requirement or CSA Z245.1 category or service group.
*U. S. Steel Tubular Products ERW pipe is HFW as defined by API 5L.
API 5L Line Pipe Comparative Specifications
The information here is summarized from ASTM Standards and API Specification 5L. Please see the specific standards for more information.
API Specification 5L PSL 1 and PSL 2 Comparison information.
Chemical Requirements for API 5L steel pipe
API 5L Specifications covers seamless and welded pipe suitable for use in conveying gas, water, oil, and other liquefied media. The attached requirements cover our offering of API 5L 45th Ed, PSL 1 Seamless and Welded; API 5L 45th Ed PSL 2 Seamless & Welded; and API 5L 45th Ed PSL2 Welded only.
Tensile Properties for seamless and welded API 5L steel pipe
U. S. Steel Tubular Products tensile properties data for seamless and welded API 5L steel pipe API 5L 45th Ed PSL 1, PSL 2.
Testing Requirements for seamless and welded API 5L steel pipe
U. S. Steel Tubular Products hydrostatic and mechanical testing information for all sizes and grades covered by the specification.
Permissible Variations for seamless and welded API 5L steel pipe
Paint-stenciled or die-stamped manufacturer’s name or mark, Spec 5L, size, weight per foot, grade, process of manufacture, type of steel, length (NPS 4 and larger only). Test pressure when higher than tabulated (NPS 2 and larger only).
Supplemental Annexes for API 5L seamless and welded steel pipe
API Specification 5L contains 15 Supplemental Annexes that address special conditions and/or additional requirements.
U. S. Steel API 5L steel pipe offering
Grade designations of API 5L Line pipe produced by U. S. Steel Tubular Products come from the American Petroleum Institute (API) Spec 5L Specification for line pipe. U. S. Steel currently produces 9 grades of API 5L line pipe:
API 5L B
API 5L X42
API 5L X46
API 5L X52
API 5L X56
API 5L X60
API 5L X65
API 5L X70
API 5L X80
U. S. Steel Tubular Products API 5L pipe distributors
U. S. Steel Tubular Products API 5L steel products are available through our authorized distributors across North America. See our complete U. S. Steel Tubular Products Distributor list here.
U. S. Steel Certifications
All five U. S. Steel Tubular Products pipe manufacturing facilities maintain API licenses to manufacture and monogram products to API specification 5L, and are audited periodically by API for conformance to the specified requirements. In addition, Fairfield Tubular Operations, Lorain Tubular Operations and Lone Star Tubular Operations are all audited by third party registrars that certify that these facilities conform to ISO 9001 requirements.
See the complete list of U. S. Steel Certifications.