牌号 | 化学成分(质量分数)/% | ||||||||||
C | Si | Mn | p | s | Mo | Cr | Ni | Cu | |||
钢板厚度/mm | 钢板厚度/mm | 钢板厚度/mm | |||||||||
Q345HD1 | ≤12.5~100 | ≤40 | >40 | ≤40 | >40 | ||||||
≤0.23 | ≤0.40 | 0.15~0.40 | ≤1.35 | 0.020 | 0.020 | ≤0.12 | 0.3 | 0.3 | 0.35 |
牌号 | 拉伸试验 | V型冲击实验d | ||||||
上屈服强度R/MPa | 拉伸强度Rm/MPa | 断后伸长率/% | 实验温度℃ | 平均吸收能量KV2/J | ||||
钢板厚度/mm | A50mm | A200mm | ||||||
≤50 | >50-100 | ≤50 | >50-100 | 不小于 | 不小于 | |||
Q345HD1 | 345 | - | ≥450 | 19 | 16 | -20 | 47 |
欢迎光临 钢铁圈子-有钢铁的地方,就有钢铁圈子! (https://ironbbs.com/) | Powered by Discuz! X3.5 |