低合金钢焊条品名类别AWS型号典型的未稀释熔敷金属成份型的熔敷金属力学性能特性及用途CMnSiPSMoCiNiCuCrYP(N/mm2)TS(N/mm2)EL(%)IV(J)低合金钢焊条SL-70A1E70100.100.300.200.0120.0170.484815672698强烈的电弧有充分的能力吹出任何在前焊道焊层遗留的残渣SL-78A1E70180.060.800.500.0120.0080.5051063029适合抗蠕变钢的焊接,例用在高温及高压的场所使用,焊接熔敷含0.5%钼SL-78ACE70180.0720.780.500.0210.0050.520.020.615696352523.2焊接熔敷含.5%Cr-0.6%Cu,焊条因控制氢、硫及磷含量,有较高的耐裂性能SL-88B1E80180.070.800.430.0130.0100.500.5453060828焊条适合抗蠕变焊接，焊接熔敷金属含0.5%铬及0.5%钼SL-88(6)B2E80180.070.800.450.0120.0110.541.2155966727适合给抗蠕变钢焊接，焊接熔敷金属含1.25%Cr铬及0.5%Mo钼SL-98(6)B3E90180.040.800.400.0110.0101.052.3865774524焊条适合给抗蠕变钢的焊接，在高温及高压的场所使用低温应用焊条品名类别AWS型号典型的未稀释熔敷金属成份典型的熔敷金属力学性能特性及用途CMnSiPSNiYP(N/mm2)TS(N/mm2)EL(%)IV(J)低温应用焊条SL-88C3E80180.071.180.480.0150.0101.055296082768SL-88C3是低氢铁粉系焊条及焊接熔敷含1%Ni，它有非常出色的低温性能及非常高的X-ray质量)