API Spec 6A-2018(2021)
Specification for Wellhead and Christmas Tree Equipment (TWENTIETH EDITION; Incorporating ERTA 1: January 2011; ADDENDUM 1: November 2011; ERTA 2: November 2011; ADDENDUM 2: November 2012; ADDENDUM 3: March 2013; ERTA 3: June 2013; ERTA 4: August 2013; ER

Standard No.

API Spec 6A-2018(2021)

Release Date

2018

Published By

American Petroleum Institute (API)