Specifies general tolerances for linear and angular dimensions and for shape and position of welded structures in four classes, these being based on customary workshop accuracy. The main criterion for the selection of a particular class should be the functional requirements.
ISO 13920:1996 history
2023ISO 13920:2023 Welding. General tolerances for welded constructions. Dimensions for lengths and angles, shape and position
1996ISO 13920:1996 Welding - General tolerances for welded constructions - Dimensions for lengths and angles - Shape and position