类别与用途 产品名称 焊接方法 保护气体 GB规格 AWS 碳 钢 TIG-50 GTAW Ar ER50-G ER70S-G ER50-6 ER70S-6 TIG-52 ER50-2 ER70S-2 TM-56 GMAW COz ER50-6 ER70S-G TM-58 ER50-G ER70S-G 低 合 金 钢 TM-60 GMAW COz ER55-D2-Ti ER80S-G 低 温 钢 TIG-80Ni1 GTAW Ar ER55-C1 ER80S-Ni1 耐 热 钢 TIG-1CM GTAW Ar ER55-B2 ER80S-B2 TIG-2CM ER62-B3 ER90S-B3 TIG-1CMV DL/T869 TIG-31 ER80S-G TIG-9Cb - ER90S-B9 MIG-1CM GMAW Ar+1-5%Oz ER55-B2 ER80S-B2 MIG-1CM ER55-G ER80S-G MIG-2CM ER62-B3 ER90S-B3 MIG-2CM ER62-G ER90S-G 镍 基 合 金 TGS-Ni1 GTAW Ar SNi2061 ERNi-1 TGS-82 ERNiCr-3 ERNiCr-3 TGS-61 ERNiCrMo-3 ERNiCrMo-3 TGS-17 ERNiCrMo-4 ERNiCrMo-4 MIG-82 GMAN ERNiCr-3 ERNiCr-3 MIG-61 ERNiCrMo-3 ERNiCrMo-3 MIG-17 ERNiCrMo-4 ERNiCrMo-4 低 温 钢 TWE-811Ni1 FCAW COz E55T1-Ni1CJ E81T1-Ni1CJ TWE-811Ni2 E551T1-Ni2c E81t1-nI2c TWE-81K2 E551T1-K2CJ E81T1-K2CJ TWE-91K2 E621T1-K2CJ E91T1-K2CJ TWE-911Ni2 E621T1-Ni2C E91T1-Ni2C 耐 候 钢 TWE-81W2 FCAW COz E551T1-W2CJ E81T1-W2CJ