Marathon444不锈钢、镍基埋弧焊丝产品名称类型碱度粒度组成成分电流类别烘干条件单位包装Marathon104Cl-BASiC2.70.2-1.615203625AC350*C/2h25kg/袋Marathon213Ca-Si1.30.1-1.63053520DC350*C/2h25kg/袋Marathon431Cl-Basic2.30.3-1.6103850DC350*C/2h25kg/袋Marathon444Cl-Basic4.50.3-1.67304020AC350*C/2h25kg/袋)