Half Price Standard Code

Additively Manufactured Polymer-based Components for Use in the Petroleum and Natural Gas Industries, First Edition
standard by American Petroleum Institute, 08/01/2022

Specification for Line Pipe, Twenty-seventh Edition
standard by American Petroleum Institute, 03/01/1973

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

Specification for Wellhead and Tree Equipment, Twenty-First Edition, Includes Errata 1 (2019), Errata 2 (2020), Errata 3 (2020), Errata 4 (2021), Addendum 1 (2020), Addendum 2 (2021), and Addendum 3 (2022)
standard by American Petroleum Institute, 10/31/2018

Specification for Crosslinked Polyethylene (PEX) Line Pipe, Second Edition
standard by American Petroleum Institute, 02/01/2022

Hazardous Liquid Pipeline Facilities Integrity Management, First Edition
standard by American Petroleum Institute, 01/01/2022

Recommended Practice for Chemical Analysis of Barite, Fourth Edition
standard by American Petroleum Institute, 03/01/2022

Axial and Centrifugal Compressors and Expander-compressors, Ninth Edition
standard by American Petroleum Institute, 04/01/2022

Integrity Operating Windows, Second Edition
standard by American Petroleum Institute, 12/01/2021

API 579-1 / ASME FFS-1, Fitness-For-Service
standard by American Petroleum Institute, 12/01/2021