...
ASME B31.8: 2016, 2018, 2020, and 2022 Onshore and Offshore chapters with buckling check per section 833.10, collapse check per API RP 1111
ASME B31.12 2023 Hydrogen code Industrial piping and Pipelines
GB-50251: 2015 (China) Gas Transmission Pipeline design 输气管道工程设计规范
ASME B31J 2023 SIFs and flexibility factor option available for all design codes and code years – mandatory for B31.3 2020
When multiple displacement stress cases are defined, CSiPlant automatically performs the range cases between them to determine the controlling displacement load case.
...
Please see CSiPlant Help menu>Documentation>Design>Codes to review design manuals with details: