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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.
Errata to API Manual of Petroleum Measurement Standards Chapter 11.5 (Parts 1 to 3), Densite/Weight/Volume Intraconversion, First Edition (single-user license) (Errata Updated, September 2013)
Adjunct of the standard published on 1.9.2011
Selected format:Errata 2 to API Manual of Petroleum Measurement Standards Chapter 11.5 (Parts 1 to 3), Densite/Weight/Volume Intraconversion, First Edition
Adjunct of the standard published on 1.8.2025
Selected format:Steel Pipelines Crossing Railroads and Highways, Seventh Edition, includes Errata 1 (2008), Errata 2 (2010), Errata 3 (2012), Errata 4 (2014), and Errata 5 (2014)
Standard published on 1.12.2007
Selected format:Errata 1 to Steel Pipelines Crossing Railroads and Highways, Seventh Edition
Adjunct of the standard published on 1.11.2008
Selected format:Errata 2 to Steel Pipelines Crossing Railroads and Highways, Seventh Edition
Adjunct of the standard published on 1.5.2010
Selected format:Errata 3 to Steel Pipelines Crossing Railroads and Highways, Seventh Edition
Adjunct of the standard published on 1.9.2012
Selected format:Errata 4 to Steel Pipelines Crossing Railroads and Highways, Seventh Edition
Selected format:Errata 5 to Steel Pipelines Crossing Railroads and Highways, Seventh Edition
Adjunct of the standard published on 1.3.2014
Selected format:Welding of Pipelines and Related Facilities, 22nd Edition, Includes Errata 1 (2023)
Standard published on 1.7.2021
Selected format:Errata 1 to Welding of Pipelines and Related Facilities, 22nd Edition
Adjunct of the standard published on 1.9.2023
Selected format:Latest update: 2025-12-16 (Number of items: 2 252 193)
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