C | Si | Mn | P | S | Cr | Cu |
0.08-0.18 | ≤0.35 | 0.40-1.00 | ≤0.025 | ≤0.010 | ≤0.70-1.15 | ≤0.30 |
Mo | Nb | Ni | Ti | V | N | Alt |
0.40-0.60 | - | - | - | - | ≤0.012 | - |
交货状态 | 厚度 | 拉伸试验 | 冲击试验 | ||||
屈服强度 | 抗拉强度 | 伸长率% | -20℃ | 0℃ | +20℃ | ||
N+T | ≤16 | 300 | 450-600 | 19 | - | - | 31 |
16<t≤60 | 290 | ||||||
60<t≤100 | 270 | 440-590 | - | - | 27 | ||
N+T/Q+T | 100<t≤150 | 255 | 430-580 | ||||
Q+T | 150<t≤250 | 245 | 420-570 |
厚度 | 试验温度/℃ | |||||||||
50 | 100 | 150 | 200 | 250 | 300 | 350 | 400 | 450 | 500 | |
≤16 | 294 | 285 | 269 | 252 | 234 | 216 | 200 | 186 | 175 | 164 |
16<t≤60 | 285 | 275 | 260 | 243 | 226 | 209 | 194 | 180 | 169 | 159 |
60<t≤100 | 265 | 256 | 242 | 227 | 210 | 195 | 180 | 168 | 157 | 148 |
100<t≤150 | 250 | 242 | 229 | 214 | 199 | 184 | 170 | 159 | 148 | 139 |
150<t≤250 | 235 | 223 | 215 | 211 | 199 | 184 | 170 | 159 | 148 | 139 |
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