This standard BS EN ISO 6947:2019 Welding and allied processes. Welding positions is classified in these ICS categories:
25.160.40 Welded joints and welds
This document defines welding positions for testing and production, for butt and fillet welds, in all product forms.
Annex A gives examples of the limits of the slope of a weld axis and the rotation of the weld face about the weld axis for welding positions in production welds.
Annex B gives a comparison of this document and US designation systems for welding positions.