Approval testing of welders. Fusion welding - Titanium and titanium alloys, zirconium and zirconium alloys Ingestion-build-132972 Correspondence between this European Standard

Correspondence between this European Standard and Directive 97/23/EC

5 mm above the top surface of the test piece supports

and thus in the air sample

Surface-area concentration

Approval testing of welders. Fusion welding - Titanium and titanium alloys, zirconium and zirconium alloys Ingestion-build-132972 Correspondence between this European Standard1 Scope This standard specifies essential requirements, ranges of approval, test conditions, acceptance requirements and certification for the approval testing of welder performance for the welding of titanium and zirconium. This standard applies to the approval testing of welders for the fusion welding of titanium and zirconium. This standard is intended to provide the basis for the mutual recognition by examining bodies for approval relating to