ER110S-G度钢气保焊丝 Union I 1,2 Ni GTAW 5.28: ER80S-G 1668: W3Ni1 Union I 5 Ni GMAW 5.28: ER80S-G 440: G463CG3Ni1/G505MG3Ni1 Union I 2,5 Ni GTAW 5.28: ER80S-Ni2 1668: W2Ni2 Union Ni 2,5 GMAW 5.28: ER80S-Ni2 440: G506MG2Ni2 钢实心焊丝(High Tensile Steels GTAW rods/wires and GMAW w 产品牌号 类别 分类标准及标号 AWS A5.28: G EN 12534: Union MoNi GMAW ER90S-G G Mn3Ni1Mo Union NiMoCr GMAW ER100S-G(~1) G Mn4Ni1,5CrMo