Nace Rp0472 Pdf Fix -

NACE RP0472 (now designated as ) is a critical industry standard that provides methods and controls to prevent in-service environmental cracking of carbon steel weldments in corrosive petroleum refining environments. It serves as the primary consensus standard for the refining industry, superseding the discontinued API RP 942 . Core Scope and Applications

: Hardness is typically limited to a maximum of 200 Brinell (HBW) . Hardness testing of production welds is required unless using specific "exempt" filler metal combinations (e.g., E60xx or E70xx electrodes in SMAW). nace rp0472 pdf