Nace Rp0472 Pdf New -

), can lead to catastrophic failures in pressure vessels, piping, and storage tanks. The Evolution: RP0472 to SP0472

To prevent sulfide stress cracking (SSC), the weld metal and heat-affected zone must meet strict hardness criteria. Generally, NACE SP0472 demands a maximum hardness of for P-No. 1 steels in sour service. 2. Welding Procedures and Qualification nace rp0472 pdf new

The standard dictates specific locations for hardness tests on cross-sections of the weld, including base metal, HAZ, and weld metal. ), can lead to catastrophic failures in pressure

: The primary source for the reaffirmed 2020 version. including base metal