Weld Log Terms Glossary
This glossary exists to make weld-log conversations more consistent across project engineers, shop teams, QA/QC reviewers, and client auditors.
Weld log
The running record of weld identity, procedure, traceability, and inspection status.
Weld map
The visual markup layer that shows where welds are located on a drawing.
WPS
The welding procedure specification used to control how the weld is made.
Heat number
The traceability number that ties a material item back to its mill or supplier record.
NDT
Non-destructive testing such as RT, UT, MT, PT, or VT.
Spool reference
The fabrication grouping used to organize pipe assemblies and related weld rows.
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