ASME B31.1 2018 has been issued on July 2018 and will be effective on 20 January 2019.
Key changes are listed on ASME website, but for further details, two interesting articles are availabe:
- blog.ansi.org contains an article with a full list of B31.1-2018 changes and a short description
- Bradleysawler.com contains a comprehnsive list of the changes as well, with references to the articles and subparagraphes changed.
It’s a useful and handy map to check the differences between 2016 and 2018 version of ASME B31.1