: It eventually replaced API RP 942 , becoming the recognized industry consensus standard for these controls.

High hardness is a primary indicator of susceptibility to cracking. The standard typically mandates a maximum hardness of 200 Brinell (HBW) for the weld deposit. Post-Weld Heat Treatment (PWHT):

Testing must be performed on the process-side (the side exposed to the corrosive medium) whenever possible. Methodology:

Methods and Controls to Prevent In-Service Environmental Cracking of Weldable Carbon Steel Alloy Piping Systems.