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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.
Design, Materials, Fabrication, Operation, and Inspection Guidelines for Corrosion Control in Hydroprocessing Reactor Effluent Air Cooler (REAC) Systems
Standard published on 1.6.2019
Selected format:Use of Duplex Stainless Steels in Hydroprocessing Reactor Effluent Air Coolers (REACs)
Standard published on 1.8.2022
Selected format:Materials and Fabrication of 2 1/4Cr-1Mo, 2 1/4Cr-1Mo-1/4V, 3Cr-1Mo, and 3Cr-1Mo-1/4V Steel Heavy Wall Pressure Vessels for High-temperature, High-pressure Hydrogen Service
Standard published on 1.2.2010
Selected format:Materials and Fabrication of 21/4Cr-1Mo, 21/4Cr-1Mo-1/4V, 3Cr-1Mo, and 3Cr-1Mo-1/4V Steel Heavy Wall Pressure Vessels for High-temperature, High-pressure Hydrogen Service
Standard published on 1.9.2021
Selected format:Fabrication Considerations for Vanadium-Modified Cr-Mo Steel Heavy Wall Pressure Vessels
Standard published on 1.1.2022
Selected format:Materials and Fabrication of 1 1/4Cr-1/2Mo Steel Heavy Wall Pressure Vessels for High-pressure Hydrogen Service Operating at or Below 825 °F (441 °C)
Standard published on 1.5.2008
Selected format:Materials and Fabrication of 11/4Cr-1/2Mo Steel Heavy Wall Pressure Vessels for High-pressure Hydrogen Service Operating at or Below 825 °F (440 °C)
Standard published on 1.2.2019
Selected format:Technical Report on the Materials and Fabrication Issues of 11/4Cr-1/2Mo and 1Cr-1/2Mo Steel Pressure Vessels
Standard published on 1.9.2010
Selected format:Recommended Practice for Materials and Fabrication of 11/4CR-1/2Mo Steel Pressure Vessels for Service Above 825 °F (440 °C)
Standard published on 1.8.2010
Selected format:Recommended Practice for Materials and Fabrication of 11Cr-1Mo Steel Pressure Vessels for Service above 825 °F (440 °C)
Standard published on 1.1.2018
Selected format:Latest update: 2025-07-05 (Number of items: 2 207 347)
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