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其他σ0.2(MPa)σb(MPa)δ(%)IV(J)
实芯焊丝SM-70ER70s-60.091.10.41---29℃/70CO2气保焊丝,用于低碳钢及50kgf高强钢焊接
SM-70GER70S-G0.091.070.52---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.-20℃/140CO2气保焊丝,用于60kgf级高强钢焊接
SM-100MER100S-10.0571.320.330.11.7Mo:0.-18℃/127
-51℃/78气保焊丝,用于70kgf级高强钢焊接,如桥梁等
MIG焊丝SM-308LER308L0.021.600.3519.910.1-58042-20℃/50焊18-8超低碳不锈钢结构
SM-309LER3090.091.600.3922.512.8-66036焊22-12不锈钢及异种钢焊接
SM-310ER3100.091.900.3526.820.9-61040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.-18℃/127
-51℃/78焊70kgf级高强钢结构,如桥梁,压力容器
TIG焊丝ST-308LER308L0.021.700.3620.010.3-600410℃/110焊18-8超低碳不锈钢结构
ST-309ER3090.071.880.3824.412.8-620380℃/150焊22-12