9. 低淬透性含鈦優(yōu)質(zhì)碳素結(jié)構(gòu)鋼(YB/T 2009—1981)

(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 ......（本文共 1169 字 ）     [閱讀本文] >>