Specification for Line Pipe, Thirty-ninth Edition standard by American Petroleum Institute, 06/01/1991

standard by American Petroleum Institute, 12/01/1980

Addendum to Drilling Fluids Materials, Nineteenth EditionAmendment by American Petroleum Institute, 06/01/2022

Specification for Line Pipe, Twentieth Edition Includes Erratastandard by American Petroleum Institute, 03/01/1963

Specification for Line Pipe, Twenty-third Edition standard by American Petroleum Institute, 03/01/1968

Specification for Wellhead and Tree Equipment, Twenty-First Edition, Includes Errata 1 (2019), Errata 2 (2020), Errata 3 (2020), Errata 4 (2021), Addendum

Metallic Material Limits for API Equipment Used in High Temperature Applications, Third Editionstandard by American Petroleum Institute, 07/01/2022

Brushless Synchronous Machines - 500 kVA and Larger, Fourth Editionstandard by American Petroleum Institute, 05/01/2022

Specification for Rotating Control Devicesstandard by American Petroleum Institute, 06/01/2022

Thermal Reactors for Sulfur Recovery Units in General Refinery Servicesstandard by American Petroleum Institute, 06/01/2022

Specification for Line Pipe, Thirty-fourth Edition standard by American Petroleum Institute, 05/31/1984

Downhole Perforating Tools, First Editionstandard by American Petroleum Institute, 05/01/2022