说明:耐热钢焊丝。与烧结型焊剂SJ101配合，可用于焊接工作温度在520℃下的耐热钢。焊丝化学成分（%）CMnSiSP保证值≤0.100.40~0.700.15~0.35≤0.030≤0.030例值0.0620.510.220.0170.009CrMoNiCu保证值0.80~1.100.40~0.60≤0.30≤0.35例值0.810.430.0490.21熔敷金属力学性能Rm(N/mm2)ReL/Rp0.2(N/mm2)A(%)KV2(J)0℃SJ101≥550≥470≥20≥27焊丝规格焊丝直径（mm）φ2.5φ3.2φ4.0φ5.0)