DIN EN ISO 9606-4:1999-06

The document specifies essential requirements, ranges of approval, test conditions, acceptance requirements and certification for the approval testing of welder performance for the welding of copper. The document applies to the approval testing of welders for the fusion welding of copper. The welding processes referred to in the document include those fusion welding processes which are designated as manual or partly mechanized welding. It does not cover fully mechanized and automatic processes.