Used extensively in both domestic and international petrochemical projects. Where to Buy or Download NACE SP0472-2020 PDF
AMPP - The Association for Materials Protection and Performance Hardness Limits : Establishes a maximum hardness of 200 Brinell (HBW)
: Provides specific guidance in Appendix D on the correct application of PWHT, including heating/cooling rates and measurement positions, to ensure residual stresses are properly relieved. Process Coverage
The NACE standard formerly known as has been updated and renamed to NACE SP0472 , with the most current major revision being the 2020 edition . A standout "good feature" in recent updates is the introduction of mandatory hardness survey layouts for new welding procedure qualifications. Key Features of NACE SP0472