Specification and qualification of welding procedures for metallic materials - Qualification based on pre-production welding test (ISO 15613:2004); German version EN ISO 15613:2004— 10 стр.
Resistance welding - Procedure for the evaluation of the life of spot welding electrodes using constant machine settings (ISO 8166:2003); German version EN ISO 8166:2003— 17 стр.