压铸模具常用钢的物理常数

作者：bearingpower        发表时间：2010-12-12

压铸模具常用钢的物理常数关键字：模具钢 钢材牌号4Cr5MoV1Si4Cr5MoVSi3Cr2W8V4Cr3Mo3W2V5CrNiMoT1045临界点（℃）（近似值）Ac1860853800850730730735Ac291591285093078.800785Ar1775720690735610700 Ar3815773750825640 Ms340310380400230175350密度γ7.767.698.35 7.817.81弹性模量E（MPa）（在20℃时）20.6×10422.25×10420.78×104 19.6×104线膨胀系数α×10－6（mm/(mm?℃)）20～1009.110.09.810.4 11.511.5920～20010.310.910.91212.5513.0 20～30011.511.411.911.0614.114.3 20～40012.212.212.612.2714.114.8 20～50012.812.813.112.53 15.1 20～60013.213.313.513.3514.216.0 20～70013.513.613.713.581515.8