API Standards

The American Petroleum Institute sets the benchmark for oil and gas line pipe worldwide.

About this standard family

The American Petroleum Institute sets the benchmark for oil and gas line pipe worldwide. Our ERW, LSAW, SSAW and line pipe are supplied against API 5L grades with full mill test certificates and third-party inspection on request.

Products we supply to these standards

StandardApplicable productsLink
API 5LERW / LSAW / SSAW line pipe (PSL1 & PSL2)View products →
API 5L PSL2Sour-service & offshore line pipeView products →
API 5CTCasing & tubing for well completionView products →

Quality assurance for standard-grade supply

  • Mill Test Certificate to EN 10204 3.1 / 3.2 on every order
  • Third-party inspection (SGS / BV / TÜV) available on request
  • Hydrostatic, ultrasonic (UT) and radiographic (RT) testing per standard
  • Full traceability: heat number, coating batch and dimensional report
  • ISO 9001-certified quality system across all production lines

Need a quote against a specific standard?

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