This document specifies the rules for indication of surface texture by profile methods in technical product documentation by means of graphical symbols. This document does not cover population requirements. NOTE See ISO 18391 for population (batch) specifications.
EN ISO 21920-1:2022 history
2022EN ISO 21920-1:2022 Geometrical product specifications (GPS) - Surface texture: Profile - Part 1: Indication of surface texture (ISO 21920-1:2021)