If you are looking for the latest requirements to prevent environmental cracking in carbon steel weldments, do not use NACE RP0472 . You must use AMPP SP0472-2023 .
If you are searching for a , you are looking for a foundational document in petroleum refining safety. However, it is important to know that the "RP" (Recommended Practice) designation was updated years ago to SP (Standard Practice) . nace rp0472 pdf new