Industrial piping handling gaseous hydrogen or gaseous hydrogen mixtures.
The legitimate, up-to-date version of the standard should be purchased directly from the Official ASME Standards Store or authorized distributors like IHS Markit, Techstreet, or ANSI. Purchasing an authorized PDF ensures you receive a licensed, searchable document with the latest errata and addenda included. Conclusion asme b 3112 pdf
Crucially, the code defines its scope limits clearly: it applies up to and including the joint that connects piping to associated pressure vessels or equipment, but does not cover the vessels and equipment themselves. It also does not apply to the structural supports attached to the piping. asme b 3112 pdf