埋弧焊材料——焊丝、焊剂与选配 表 1 国产焊丝标准化学成分(GB/T14957——1994) 钢种牌号化学成分（质量分数）( % )CMnSiCrNiMoV 其他SP用途≤碳素结构钢H08H08AH08EH08 MnH08 MnAH15AH15 Mn≤0.10≤0.10≤0.10≤0.10≤0.100.11～0.180.11～0.18 0.30～0.550.30～0.550.30～0.550.80～1.100.80～1.100.35～0.650.80～1.10 ≤0.03≤0.03≤0.03≤0.07≤0.07≤0.03≤0.07≤0.20≤0.20≤0.20≤0.20≤0.20≤0.20≤0.20 ≤0.30≤0.30≤0.30≤0.30≤0.30≤0.30≤0.30 ——————— ——————— ——————— 0.0400.0300.0250.0400.0300.0300.040 0.0400.0300.0250.0400.0300.0300.040用于碳素钢的电弧焊、气焊、埋弧焊、电渣焊和气体保护焊等1.50～1.901.70～2.10 ≤0.07—0.0400.040.0400.04埋弧焊材料——焊丝、焊剂与选配 表 1 国产焊丝标准化学成分(GB/T14957——1994) 钢种牌号化学成分（质量分数）( % )CMnSiCrNiMoV 其他SP用途≤碳素结构钢H08H08AH08EH08 MnH08 MnAH15AH15 Mn≤0.10≤0.10≤0.10≤0.10≤0.100.11～0.180.11～0.18 0.30～0.550.30～0.550.30～0.550.80～1.100.80～1.100.35～0.650.80～1.10 ≤0.03≤0.03≤0.03≤0.07≤0.07≤0.03≤0.07≤0.20≤0.20≤0.20≤0.20≤0.20≤0.20≤0.20 ≤0.30≤0.30≤0.30≤0.30≤0.30≤0.30≤0.30 ——————— ——————— ——————— 0.0400.0300.0250.0400.0300.0300.040 0.0400.0300.0250.0400.0300.0300.040用于碳素钢的电弧焊、气焊、埋弧焊、电渣焊和气体保护焊等1.50～1.901.70～2.10 ≤0.07—0.0400.040.0400.04
