(1)低合金高強(qiáng)度結(jié)構(gòu)鋼的化學(xué)成分(表2-98)表2-98低合金高強(qiáng)度結(jié)構(gòu)鋼的化學(xué)成分牌號質(zhì)量等級化學(xué)成分/%碳≤錳硅≤磷≤硫≤釩Q295AB0.160.160.80~1.500.80~1.500.550.550.0450.0400.0450.0400.02~0.150.02~0.15Q345ABCDE0.200.200.200.180.181.00~1.601.00~1.6 (共 4294 字) [閱讀本文] >>