DIN EN 1668-1997 焊接助剂.合金钢和细晶粒钢的钨保护气体焊接用钢棒、钢丝和熔焊金属.分类

标 准 编 号：DIN EN 1668-1997
简体中文标题：焊接助剂.合金钢和细晶粒钢的钨保护气体焊接用钢棒、钢丝和熔焊金属.分类
繁体中文标题：焊接助剂.合金钢和细晶粒钢的钨保护气体焊接用钢棒、钢丝和熔焊金属.分类
English Name：Welding consumables - Rods, wires and deposits for tungsten inert gas welding of non alloy and fine grain steels - Classification;