API Spec 6A PDF

Published Date: 01/01/1972

Specification for Wellhead and Christmas Tree Equipment, 9th Edition

Published Date: 01/01/1971

Specification for Wellhead and Christmas Tree Equipment, 8th Edition

Published Date: 04/01/1970

Specification for Wellhead and Christmas Tree Equipment, 7th Edition

Published Date: 08/01/2001

Specification for Low Pressure Fiberglass Line Pipe, Seventh Edition, Includes Errata (2018) and Errata (2021)

Published Date: 07/01/2002

Recommended Practice for Internal Coating of Line Pipe for Non-Corrosive Gas Transmission Service, Fourth Edition

Published Date: 01/01/1999

Report of Eastern Hemisphere Production of Line Pipe

Published Date: 10/31/2018

Specification for Wellhead and Tree Equipment, Twenty-First Edition, Includes Errata 1 (2019), Errata 2 (2020), Errata 3 (2020), Errata 4 (2021), Errata 5 (2024), Errata 6 (2024), Addendum 1 (2020), Addendum 2 (2021), Addendum 3 (2022), and Addendum 4 (2024)

Published Date: 2005