(1)低淬透性含鈦優(yōu)質(zhì)碳素結(jié)構(gòu)鋼的化學(xué)成分(表2-109)表2-109低淬透性含鈦優(yōu)質(zhì)碳素結(jié)構(gòu)鋼的化學(xué)成分牌號化學(xué)成分/%碳硅≤錳≤鈦磷≤硫≤55Ti60Ti70Ti0.51~0.590.57~0.650.64~0.730.250.300.350.230.230.280.03~0.100.03~0.100.04~0.120.0400.0400.0400.040 (共 1169 字) [閱讀本文] >>