Welding consumables - Solid wire electrodes, tubular cored electrodes and electrode/flux combinations for submerged arc welding of non alloy and fine grain steels - Classification (ISO 14171:2016)
焊接耗材.非合金钢和细晶粒钢埋弧焊用实心焊丝、管状药芯焊条和焊条/焊剂组合.分类(ISO 14171-2016)