ASME B31P PDF
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B31P - 2023 ASME B31P - Standard Heat Treatments for Piping
Description
ASME B31P applies to preheating; postweld heat treatment & postforming heat treatment required by the ASME B31 code sections for other fabrication processes.
Standard provides requirements heat treatment piping pipelines meet asme b31 code sections. apply to: preheating; postweld (pwht); postforming (pfht) required sections fabricated assemblies, including forming operations bending; treatments contract documents.