: Establishes a maximum criterion of 200 Brinell (HBW) for production weld deposits to prevent Hydrogen Stress Cracking (HSC) and Sulfide Stress Cracking (SSC).
NACE SP0472, titled "Methods and Controls to Prevent In-Service Environmental Cracking of Carbon Steel Weldments in Corrosive Petroleum Refining Environments," is a critical document for engineers and fabricators working with P-No. 1, Group 1 or 2 carbon steels. nace rp0472 pdf new
AMPP - The Association for Materials Protection and Performance Hardness Limits : Establishes a maximum hardness of 200 Brinell (HBW) : Establishes a maximum criterion of 200 Brinell