标 准 编 号：BS EN 440-1995 简体中文标题：焊接消耗材料.非合金与细晶粒钢的气体保护金属电弧焊用丝状电极和熔积物.分类 繁体中文标题：焊接消耗材料.非合金与细晶粒钢的气体保护金属电弧焊用丝状电极和熔积物.分类 English Name：Welding consumables - Wire electrodes and deposits for gas shielded metal arc welding of non alloy and fine grain steels - Classification ...