TIG焊丝类别品名AWS型号熔敷金属化学成分(%)熔敷金属力学性能保护气体简明与用途CMnSiCrNi其它σ0.2(MPa)δb(MPa)δ(%)IV(J)TIG焊丝TGS-1CMER80S-G0.060.990.501.22-Mo:0.54540630280℃/Ar焊接1-1.25%Cr-0.5Mo耐热钢。TGS-1CMLER80S-G0.021.100.481.38-Mo:0.5048058031℃/Ar同TGS-1CM，但因含碳量低，抗裂性优良。TGS-2CMER90S-G0.090.710.322.26-Mo:1.0461072028℃/Ar焊接2.25%Cr-1%Mo耐热钢。)