NF EN ISO 4063, A80-021 (04/2023)

This document establishes a nomenclature for: — welding; — hard soldering, soft soldering and brazing; — thermal cutting; each process being identified by a reference number. It covers main process groups (one digit), groups (two digits) and subgroups (three digits). The reference number for a given process, maximum three digits. This system is intended to facilitate the computerization and drafting, for example of drawings, working documents, descriptions of welding procedures, and allows uniform international designation of processes. This document does not cover all process variations. Process numbers may be supplemented with additional information for variants not listed.
(Automatic translation from French)