低合金耐热钢TIG焊丝类别品名AWS型号焊棒和焊丝化学成分（%）熔敷金属力学性能特征与用途CSiMnPSCrMoNiNbVCuAlσ0.2(MPa)δb(MPa)δ(%)Akv(J)TIG焊丝TGS-1CMER80S-G0.080.521.100.0070.0091.400.550.020.11540630280℃:270用于焊接ASTMA387Gr.11,Gr.12钢和类似钢种TGS-1CMLER90S-G0.030.501.130.0050.0091.400.490.040.12480580310℃:300适于焊接ASTMA387Gr.11,Gr.12钢和类似钢种，与TGS-1CM相比，TGS-1CML的含碳量较低TGS-2CMER90S-G0.110.360.750.0040.0082.291.070.050.12610720280℃:250适于焊接ASTMA387Gr.22钢和类似是而非钢种TGS-2CMLER90S-G0.030.501.140.0070.0092.331.090.030.12520630280℃:250适于焊接ASTMA387Gr.22钢和类似的钢种，与TGS-2CM相比，TGS-2CML的含碳量较低TGS-9CMER80S-B80.070.390.520.0060.0098.981.000.180.12410590320℃:220适于焊接ASTMA387Gr.9钢和类似的钢种TGS-9CbER90S-G0.080.161.010.0060.0059.010.900.710.040.180.15700780240℃:240适于焊接ASTMA387Gr.91钢和类似的钢种，焊缝金属具有优良的抗蠕变断裂性能TGS-90B9ER90S-B90.120.171.040.0070.0059.140.910.930.160.10756851230℃:172可用于焊接ASTMA387Gr.91钢和类似钢种，焊缝金属具有优良的抗蠕变断裂性能，它符合AWSA5.28ER90S-B9TGS-56ER80S-G0.100.411.590.0070.0070.500.6652059031-12℃:290用于焊接Mn-Mo钢和Mn-Mo-Ni钢TGS-3CMH0.120.180.450.0050.0083.021.020.0160072025-18℃:320用于焊接0.5%Mo钢TGS-5CMER80S-B60.090.410.490.0060.0095.440.550.04480600260℃:280用于焊接5%Cr-0.5%Mo钢TGS-2CW0.040.410.450.0050.0042.320.52467578310℃:205用于焊接T23管子和P23管道高强度钢和低温钢用焊条)