09MnNiDR化学成分
| 化学元素(质量分数)/% | |||||||||
| 牌号 | C | Si | Mn | Ni | V | Mb | Alt | P | S | 
| 16MnDR | ≤0.20 | 0.15-0.5 | 1.20-1.6 | — | — | — | ≥0.02 | ≤0.025 | ≤0.015 | 
| 15MnNiDR | ≤0.18 | 0.15-0.5 | 1.20-1.6 | 0.20-0.6 | ≤0.06 | ≥0.02 | ≤0.025 | ≤0.015 | |
| 09MnNiDR | ≤0.12 | 0.15-0.5 | 1.20-1.6 | 0.30-0.8 | — | ≤0.04 | ≥0.02 | ≤0.020 | ≤0.015 | 
09MnNiDR力学性能
|  | 力学性能 | ||||||
|  | 钢板公称厚度/mm | 拉伸试验 | 冲击试验 | 180°弯曲试验 弯曲直径(b≥35mm) | |||
| 抗拉强度R/(N/㎡) | 屈服强度R/(N/㎡) | 伸长率A/% | 温度/℃ | 冲击吸收能量KV2/J | |||
| 不小于 | 不小于 | ||||||
| 16MnDR | 6-16 | 490-620 | 315 | 21 | —40 | 34 | d=2a | 
| >16-36 | 470-600 | 295 | d=3a | ||||
| >36-60 | 460-590 | 285 | |||||
| >60-100 | 450-580 | 275 | —30 | 34 | |||
| >100-120 | 440-570 | 265 | |||||
| 15MnNiDR | 6-16 | 490-620 | 325 | 20 | —45 | 34 | d=3a | 
| >16-36 | 480-610 | 315 | |||||
| >36-60 | 470-600 | 305 | |||||
| 09MnNiDR | 6-16 | 440-570 | 300 | 23 | —70 | 34 | d=3a | 
| >16-36 | 430-560 | 280 | |||||
| >36-60 | 430-560 | 270 | |||||
| >60-120 | 420-550 | 260 | 

 
         
  
 
 
   


 
 
 
 
 
 
 
