12CrMoG化学成分牌号化学成分（质量分数）（%）CMnSiCrMoVTiBWNiAINbNSP≤12CrMoG0.08~0.150.40~0.70≤0.502.00~2.500.90~1.20________0.0300.03012CrMoG力学性能此信息由鼎盛公司提供：化学成分，力学性能。材质对照。材质标准，规格齐全。数量。价格优惠，质量有保证。牌号纵向力学性能横向力学性能拉力强度MPa屈服点MPa伸长率（%）拉力强度MPa屈服点MPa伸长率（%）15CrMoG12Cr1MoG12Cr1MoVG12Cr2MoWVTiB12Cr3MoVSiTiB10Cr9MoVNb1Cr18Ni91Cr18Ni11Nb102016Mn15MnV10MoWVNb12CrMo15CrMo1Cr5Mo12Cr2Mo12SiMoVNb结构用无缝管优质碳素钢10（U20102）20(U20202)35(U20652)45(U20452)Q345B(L03452)结合钢40Mn245Mn227SiMn40MnB45MnB20Mn2B20Cr30Cr35Cr40Cr45Cr50Cr38CrSi12CrMo15CrMo20CrMo35CrMo42CrMo12CrMoV12Cr1MoV38CrMoAl50CrVA20CrMn20CrMnSi30CrMnSi35CrMnSiA20CrMnTi30CrMnTi12CrNi212CrNi312Cr2Ni440CrNiMoA45CrNiMoVA结构用高强度耐候焊接钢管Q300GNHQ325GNHQ355GNH合结钢丝12CrNi3A12Cr2Ni4A15CrA18Cr2Ni4WA20Cr3NiA30CrMnSiA35CrMnSiA30CrMnSiNi2A38CrMoAlA38CrA38CrE40CrNiMoA50CrVA40CrA30CrNi3A25Cr2Ni4WA30CrMnMoTiA30SiMn2MoVA30SiMn2MoVE30CrNi2MoVA)