Half Price Standard Code

Specification for Drill Pipe
standard by American Petroleum Institute, 08/01/1999

Addendum 1 to Design and Construction of Large, Welded, Low-Pressure Storage Tanks, Twelfth Edition
Amendment by American Petroleum Institute, 11/01/2014

Type Testing of Quarter-turn Valves for Fugitive Emissions, First Edition
standard by American Petroleum Institute, 10/01/2016

Design and Construction of Large, Welded, Low-Pressure Storage Tanks
standard by American Petroleum Institute, 02/01/1970

Reciprocating Compressors for Petroleum, Chemical, and Gas Industry Services, Fifth Edition, Includes Errata 1 and 2 (2009 and 2010)
standard by American Petroleum Institute, 12/01/2007

Metallic Material Limits for Wellhead Equipment Used in High Temperature for API 6A and 17D Applications, First Edition
standard by American Petroleum Institute, 10/01/2010

Design and Construction of Large, Welded, Low-Pressure Storage Tanks, Tenth Edition (with Addenda June 2004 Addenda)
standard by American Petroleum Institute, 03/01/2002

Datasheets for API Std 611
Data Sheet by American Petroleum Institute,

Blowout Prevention Equipment Systems for Drilling Wells, Fourth Edition, Includes Addendum 1
standard by American Petroleum Institute, 11/01/2012

Datasheets for API Std 619
Data Sheet by American Petroleum Institute,