Specification for approval testing of welders when welding procedure approval is not required - TIG or MIG welding of aluminium and its alloys shop-only and single and multi-hole combination

and single and multi-hole combination taps

BS EN 287-1:2004 sets out the essential variables and range of qualifications

This part of IEC 62442 defines a measurement method of the power losses of electromagnetic controlgear

— productivity

Specification for approval testing of welders when welding procedure approval is not required - TIG or MIG welding of aluminium and its alloys shop-only and single and multi-hole combination1 Scope This British Standard specifies requirements for the approval testing of welders to be engaged on the TIG or MIG welding of those aluminium and aluminium alloy fabrications for which the welding procedure itself does not have to be approved. NOTE This link to the non mandatory approval of the welding procedure will result in the use of this standard becoming defined more closely in respect of the particular fabrication, e. g. with regard to