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.

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.

For pipe sizes and grades not found in the section above, please contact U. S. Steel Tubular Products at 877-893-9461 with your inquiry.