公称厚度(mm) | 宽 度(mm) | |||||||||||
≤1500 | >1500~2500 | >2500~4000 | >4000~4000 | |||||||||
允许偏差 | 厚度附加值 | 允许偏差 | 厚度附加值 | 允许偏差 | 厚度附加值 | 允许偏差 | 厚度附加值 | |||||
3~5 | 0.6 | -0.3 | 0.15 | 0.8 | -0.3 | 0.25 | 1 | -0.3 | 0.35 | |||
6~8 | 0.7 | -0.3 | 0.2 | 0.9 | -0.3 | 0.3 | 1.2 | -0.3 | 0.45 | |||
9~15 | 0.8 | -0.3 | 0.25 | 1 | -0.3 | 0.35 | 1.3 | -0.3 | 0.5 | 1.5 | -0.3 | 0.6 |
16~25 | 1 | -0.3 | 0.35 | 1.2 | -0.3 | 0.45 | 1.5 | -0.3 | 0.6 | 1.9 | -0.3 | 0.8 |
26~40 | 1.1 | -0.3 | 0.4 | 1.3 | -0.3 | 0.5 | 1.7 | -0.3 | 0.7 | 2.1 | -0.3 | 0.9 |
41~60 | 1.3 | -0.3 | 0.5 | 1.5 | -0.3 | 0.6 | 1.9 | -0.3 | 0.8 | 2.3 | -0.3 | 1 |
61~100 | 1.5 | -0.3 | 0.6 | 1.8 | -0.3 | 0.75 | 2.3 | -0.3 | 1 | 2.7 | -0.3 | 1.2 |
101~150 | 2.1 | -0.3 | 0.9 | 2.5 | -0.3 | 1.1 | 2.9 | -0.3 | 1.3 | 3.3 | -0.3 | 1.5 |
151~200 | 2.5 | -0.3 | 1.1 | 2.9 | -0.3 | 1.3 | 3.3 | -0.3 | 1.5 | 3.5 | -0.3 | 1.6 |
201~250 | 2.9 | -0.3 | 1.3 | 3.3 | -0.3 | 1.5 | 3.7 | -0.3 | 1.7 | 4.1 | -0.3 | 1.9 |
251~300 | 3.3 | -0.3 | 1.5 | 3.7 | -0.3 | 1.7 | 4.1 | -0.3 | 1.9 | 4.5 | -0.3 | 2.1 |
301~400 | 3.7 | -0.3 | 1.7 | 4.1 | -0.3 | 1.9 | 4.5 | -0.3 | 2.1 | 4.9 | -0.3 | 2.3 |
12Cr1MoVR 化学成分% | |||||||
C | Si | Mn | P | S | Cr | Mo | V |
0.08~0.15 | 0.15~0.40 | 0.40~0.70 | ≤0.030 | ≤0.030 | 0.90~1.20 | 0.25~0.35 | 0.15~0.3 |
钢板状态 | 力学性能和冷弯性能 | ||||||
板厚(mm) | 抗拉强度 | 伸长率 | 温度 | 冲击功 | 冷弯试验180 °b=2a | ||
正火加回火 | 6~60 | 440-590 | ≥245 | ≥19 | 20 | ≥34 | d=3a |
>60~100 | ≥235 | ||||||
>100-150 | 430-580 | ≥225 |
钢板状态 | 板厚 | 在下列温度(℃)下的屈服强度(Mpa)不小于 | ||||||
正火加回火 | 20~100 | 200° | 250° | 300° | 350° | 400° | 450° | 500° |
200 | 190 | 176 | 167 | 157 | 150 | 142 |
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