Historical
ASME B31P-2017
Heat Treatments for Fabrication Processes
This Standard provides requirements for heat treatment of piping assemblies that meet the requirements of ASME B31 Code Sections. These requirements apply to: preheating; postweld heat treatment (PWHT); postforming heat treatment (PFHT) required by the ASME B31 Code Sections for other fabrication processes, including forming processes such as bending; and heat treatments required by contract specifications.
Content Provider
American Society of Mechanical Engineers [asme]