油气管线向下立焊纤维素电焊条(PipelineVertical-DownCellulosic***AWElectrode)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…CMnSiCrMoNiS≤P≤Cu≤MPaMPa%℃JThyssenCel705.1:E6010499:E422C250.140.550.18---0.0250.025-SR38051022-4028ThyssenCel755.5:E7010-P1499:E422C250.150.600.20---0.0250.025-AW42053022-3028ThyssenCel805.5:E8010-P1499:E463C250.160.850.20--0.200.0250.025-AW46055019-3047ThyssenCel905.5:E9010-G499:E5031NiC250.180.850.20--0.750.0250.025-AW53063018-4047)