The standard is organized into three primary parts to address different operational environments: ASME B31.12 Hydrogen Piping and Pipelines | H2tools
The most current version is the edition, which superseded the 2019 version. You can find the official document and its table of contents through the ASME Standards Store . Key Sections of the Standard asme b 31.12 pdf
First published in 2008, ASME B31.12 addresses specific safety and material challenges that general piping codes (like ASME B31.3) do not fully cover—primarily . It provides a standardized framework for everything from high-pressure production plants to long-distance distribution networks. The standard is organized into three primary parts