12Cr1MoVG无缝钢管与高压无缝钢管15CrMoG的差别

　12Cr1MoVG无缝钢管与高压无缝钢管15CrMoG的差别和化学成分和力学机能标准商标力学机能抗拉强度（MPa）屈从强度（MPa）伸长率（％）冲击功（J）GB531015CrMoG440640≥235≥21≥3512Cr2MoG450600≥280≥20≥3512Cr1MoVG470640≥255≥21≥35标准商标化学成分（％）CSiMnPSCrMoCuNiVAlWNbNGB531015CrMoG0.120.180.170.370.400.70≤0.030≤0.0300.801.100.400.55≤0.20≤0.3012Cr2MoG0.080.15≤0.500.400.70≤0.030≤0.0302.002.500.901.20≤0.20≤0.3012Cr1MoVG0.080.150.170.370.400.70≤0.030≤0.0300.901.200.250.35≤0.20≤0.300.150.30