Design Calculations for Pressure-containing Equipment, First Editionstandard by American Petroleum Institute, 03/01/2014

Addenda 1 to Specification for Pipeline Valves, Twenty-third Edition (Identical to ISO 14313:2007)Amendment by American Petroleum Institute, 10/01/2009

Addendum 1 to Specification for Quality Programs for the Petroleum, Petrochemical and Natural Gas Industry, Eighth EditionAmendment by American Petroleum Institute, 06/01/2010

Metallic Material Limits for Wellhead Equipment Used in High Temperature for API 6A and 17D Applications, Second Editionstandard by American Petroleum Institute,

Design and Construction of Large, Welded, Low-Pressure Storage Tanks, Seventh Edition (Includes Revision 1, 1985)standard by American Petroleum Institute, 09/01/1982

Offshore Cargo Carrying Units, First Editionstandard by American Petroleum Institute, 08/01/2017

Errata 1 to Standard for Repair and Remanufacture of Drill-through Equipment, First EditionAmendment by American Petroleum Institute, 08/01/2017

Addendum 2 to Welded Steel Tanks for Oil Storage, 11th EditionAmendment by American Petroleum Institute, 11/01/2009

Check Valves: Flanged, Lug, Wafer and Butt-welding, 6th Editionstandard by American Petroleum Institute, 09/01/2004

Age-hardened Nickel-based Alloys for Oil and Gas Drilling and Production Equipment, First Edition, Includes Addendum 1 (2017), Addendum 2 (2018), Addendum 3

Specification for Line Pipestandard by American Petroleum Institute, 01/01/2000

Fired Heaters for General Refinery Service, Fifth Editionstandard by American Petroleum Institute, 02/01/2016