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API (American Petroleum Institute) is a leader in the development of petroleum and petrochemical equipment and operating standards covering topics that range from drill bits to environmental protection. These embrace proven, sound engineering and operating practices and safe, interchangeable equipment and materials. Many have been incorporated into state and federal regulations and adopted by ISO for worldwide acceptance.
Addendum 1 to Technical Report 939-D - Stress Corrosion Cracking of Carbon Steel in Fuel Grade Ethanol: Review and Survey, Second Edition
Adjunct of the standard published on 1.10.2013
Selected format:Identification, Repair, and Mitigation of Cracking of Steel Equipment in Fuel Ethanol Service, Second Edition
Standard published on 1.8.2013
Selected format:Steel Deterioration in Hydrogen: A Report on Corrosion Research, Seventh Edition
Standard published on 16.11.1967
Selected format:Steels for Hydrogen Service at Elevated Temperatures and Pressures in Petroleum Refineries and Petrochemical Plants, Eighth Edition, Includes Errata 1 (2016), Errata 2 (2018), and Addendum 1 (2020)
Standard published on 1.2.2016
Selected format:The Technical Basis Document for API RP 941, First Edition, Includes Addendum 1 (2019)
Standard published on 1.9.2008
Selected format:Addendum to The Technical Basis Document for API RP 941, First Edition
Adjunct of the standard published on 1.6.2019
Selected format:Steels for Hydrogen Service at Elevated Temperatures and Pressures in Petroleum Refineries and Petrochemical Plants, Eighth Edition, Includes Errata 1 (2016), Errata 2 (2018), and Addendum 1 (2020)
Adjunct of the standard published on 1.8.2020
Selected format:Errata 2 to Steels for Hydrogen Service at Elevated Temperatures and Pressures in Petroleum Refineries and Petrochemical Plants, Eighth Edition
Adjunct of the standard published on 1.1.2018
Selected format:Materials, Fabrication, and Repair Considerations for Hydrogen Reformer Furnace Outlet Pigtails and Manifolds
Standard published on 1.6.2014
Selected format:Materials, Fabrication, and Repair Considerations for Austenitic Alloys Subject to Embrittlement and Cracking in High Temperature 565 degrees C to 760 degrees C (1050 degrees F to 1400 degrees F) Refinery Services, First Edition.
Standard published on 1.5.2017
Selected format:Latest update: 2026-06-24 (Number of items: 2 284 377)
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