类别品名AWS型号熔敷金属化学成分（%）熔敷金属力学性能特性与用途

CMnSiCrNi-σ0.2(MPa)σb(MPa)δ(%)IV(J)

实芯焊丝SM-70ER70s-60.091.10.41--43054030-29℃/70CO2气保焊丝，用于低碳钢及50kgf高强钢焊接

SM-70GER70S-G0.091.070.52--45056030-29℃/140CO2气保焊丝，因焊丝中含特殊元素，故韧性比SM-70高

SM-80GER80S-G0.081.350.5--Mo:0.2858066028-20℃/140CO2气保焊丝，用于60kgf级高强钢焊接

SM-100MER100S-10.0571.320.330.11.7Mo:0.3662872628-18℃/127气保焊丝，用于70kgf级高强钢焊接，如桥梁等

-51℃/78

MIG焊丝SM-308LER308L0.021.60.3519.910.1-58042-20℃/50焊18-8超低碳不锈钢结构

SM-309LER3090.091.60.3922.512.8-66036焊22-12不锈钢及异种钢焊接

SM-310ER3100.091.90.3526.820.9-61040焊25-20不锈钢及异种钢焊接

SM-316LER316L0.021.690.3919.512.8Mo:2.3-570390℃/110焊18-12Mo超低碳不锈钢

SM-100.MER100S-10.0571.320.330.121.71Mo:0.3662872628-18℃/127焊70kgf级高强钢结构，如桥梁，压力容器

-51℃/78

TIG焊丝ST-308LER308L0.021.70.362010.3-600410℃/110焊18-8超低碳不锈钢结构

ST-309ER3090.071.880.3824.412.8-620380℃/150焊22-12不锈钢及异种钢焊接

ST-310ER3100.091.890.3526.820.9-610410℃/110焊25-20不锈钢及异种钢焊接

ST-316LER316L0.021.850.3818.912.4Mo:2.30-570440℃/140焊18-12Mo超低碳不锈钢

ST-50.GER70S-G0.081.30.7--46058032-20℃/170焊低碳钢及50kgf级高强钢