牌号 | C | Si | Mn | P | S | Al | N | Cr | Cu | Mo | Nb | Ni | Ti | V |
Q235HR | ≤0.16 | ≤0.35 | 0.6~1.2 | ≤0.025 | ≤0.015 | ≤0.020 | ≤0.012 | ≤0.30 | ≤0.30 | ≤0.08 | ≤0.020 | ≤0.30 | ≥0.030 | ≤0.020 |
牌号 | 厚度mm | 室温拉伸试验 | Z向断面收缩率Z% | 冲击吸收能量J | 弯曲试验 | |||||||
屈服强度MPa | 抗拉强度MPa | 伸长率A% | 平均值 | 下限值 | 0℃ | 零下20℃表层 | 零下20℃内部 | 零下40℃表层 | 零下40℃内部 | 180° | ||
Q235HR | 6-16 | 235 | 360-480 | 25 | _ | _ | 34 | 21 | 16 | 16 | 12 | d=0.5a |
16-40 | 225 | |||||||||||
40-60 | 215 | |||||||||||
60-100 | 200 | 24 | ||||||||||
100-150 | 185 | 350-480 |
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