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 |
牌号 | 厚度mm | 对应温度时的规定非比例延伸强度MPa | 抗拉强度MPa | |||||||
50℃ | 100℃ | 150℃ | 200℃ | 250℃ | 300℃ | 350℃ | 400℃ | 300℃ | ||
Q235HR | 6-16 | 227 | 214 | 198 | 182 | 167 | 153 | 142 | 133 | ≥324 |
16-40 | 218 | 205 | 190 | 174 | 160 | 147 | 136 | 128 | ||
40-60 | 208 | 196 | 181 | 167 | 153 | 140 | 130 | 122 | ||
60-100 | 193 | 182 | 169 | 155 | 142 | 130 | 121 | 114 | ||
100-150 | 179 | 168 | 156 | 143 | 131 | 121 | 112 | 105 |
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