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 (1)低合金高强度结构钢的化学成分(表2-98)表2-98低合金高强度结构钢的化学成分牌号质量等级化学成分/%碳≤锰硅≤磷≤硫≤钒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) [阅读本文] >>