曼彻特METRODEP91/T919Cr1Mo焊条类别品名AWS型号焊缝金属化学成份金属机械性能特征与用途CMnSiSPCrNiMoNbVNCuSn抗拉强度0.2%屈服强度Akv冲击功焊条Chromet9MV-NE9015-B90.100.70.250.0080.0089.00.71.00.050.20.050.050.00377064065标准P91/T91钢手工电弧焊条，高含镍，具有***佳焊缝韧性Chromet9-B9E9015-B90.10.50.250.0080.00890.310.040.20.050.0571059075手工电弧焊条，满足AWS/A***EA5.5E9015-B9标准Chromet91VNRE9016-B90.10.70.250.0080.0089.00.71.00.050.200.050.050.00362053047手工电弧焊条，专门用于P91钢打底焊接，不需背面吹***保护)