10Cr9Mo1VNb焊接材料焊条焊丝标号CMnSiCrMoS≤P≤NbVAl0.05~0.150.30~0.60.5max1.9~2.60.87~1.130.0250.025P920.07~0.130.3~0.60.5max8.5~9.50.30~0.600.010.0200.04~0.090.15`0.250.04P910.08~0.120.3~0.60.2~0.58.0~9.50.85~1.050.010.0200.06~0.10.18~0.250.04)