细晶粒低合金结构钢电焊条(FineGrainedLow-AlloyedStructuralSteelsSMAWElectrode)产品牌号分类标准及标号基本化学成份典型值（%）热处理σ0.2σbδ5AKWAWSA…EN…CMnSiCrMoNi,S≤P≤Cu≤MPaMPa%℃JPhoenix120K5.1:E7018-1499:E425B32H50.071.200.35---0.0200.020-SR40050026-5047SHGrünK705.5:E8018-G499:E464B42H50.071.600.35---0.0200.020-SR45052025-4047SHSchwarz3K5.5:E7015-G(～A1)1599:EMoB42H50.081.200.30-0.45-0.0250.025-SR48055021-4047SHSchwarz3MK5.5:E7018-G(～A1)1599:EMoB42H50.061.200.35-0.45-0.0250.025-SR48055021-4047SHSchwarz3KNi5.5:E9018-G499:E5041NiMoB42H50.061.250.30-0.400.950.010.010.08SR50059021-4047SHV3705.5:E8018-C3499:E4661NiB42H50.061.150.25--0.950.0200.020-SR42051026-6050SHV15.5:E8018-G(～C3)499:E506Mn2NiB42H50.071.500.25--0.950.0200.020-SR47056025-6050SHNi2K705.5:E8018-C1499:E4662NiB42H50.061.150.30--2.100.0200.020-SR45054028-8047SHNi2K905.5:E10018-M757:E555NiMoB42H50.061.400.25-0.441.700.0250.025-SR57065021-5047SHNi2K1005.5:E11018-M757:E695Mn2NiCrMoB42H50.061.600.200.380.401.850.0250.025-SR69074019-5047SHNi2K1305.5:E12018-G(～M)757:E894Mn2Ni1CrMoB42H50.061.300.400.800.652.200.0200.020-AW88092018-4590)