Nace Rp0472 Pdf

Maximum allowable hardness values for welds and heat-affected zones (HAZ). Procedures for production hardness testing. Welding material selection and qualification. Post-weld heat treatment (PWHT) practices. Why Hardness Control Matters in Refinery Environments

This standard focuses strictly on Upstream oil and gas production (exploration, drilling, and processing facilities) where sour ( H2Scap H sub 2 cap S -containing) environments are present. nace rp0472 pdf