美利体育登录入口官网:EN ISO 14171:2016 焊接用实心焊丝,焊丝埋弧焊用非合金钢和细晶粒钢的焊接电极和电极/焊剂组合分类(ISO 14171:2016)
Welding consumables - Solid wire electrodes@ tubular cored electrodes and electrode/flux combinations for submerged arc welding of non alloy and fine grain steels - Classification