2020-08-25 |
技术交流
阀门壳体材料的化学成分和力学性能
| 阀门壳体材料的化学成分和力学性能 | ||||||||||
| 材料 | 碳钢 | 合金钢 | 不锈钢 | |||||||
| ASTM-A105 | ASTM-A350 | ASTM-A182 | ASTM-A182 | |||||||
| LF2 | LF3 | F1 | F5 | F5A | F11 | F22 | F304/304L | F316/316L | ||
| 碳 | 0.22* | 0.30 | 0.20 | 0.28 | 0.15 | 0.25 | 0.10-0.20 | 0.05-0.15 | 0.030 | 0.030 |
| 锰 | 0.60-1.05 | 0.60-1.35 | 0.90 | 0.60-0.90 | 0.30-0.60 | 0.60 | 0.30-0.80 | 0.30-0.60 | 2.00 | 2.00 |
| 磷 | 0.035 | 0.035 | 0.035 | 0.045 | 0.03 | 0.040 | 0.040 | 0.040 | 0.045 | 0.045 |
| 硫 | 0.040 | 0.040 | 0.040 | 0.045 | 0.03 | 0.03 | 0.040 | 0.040 | 0.030 | 0.030 |
| 硅 | 0.10-0.35 | 0.15-0.30 | 0.20-0.35 | 0.15-0.35 | 0.50 | 0.50 | 0.50-1.00 | 0.50 | 1.00 | 1.00 |
| 镍 | 0.40 | 0.40 | 3.30-3.70 | – | 0.50 | 0.50 | – | – | 8.0-11.0/13.0 | 10.0-14.0/15.0 |
| 铬 | 0.30 | 0.30 | 0.30 | – | 4.00-6.00 | 4.00-6.00 | 1.00-1.50 | 2.00-2.50 | 18.0-20.0 | 16.0-18.0 |
| 钼 | 0.12 | 0.12 | 0.12 | 0.44-0.65 | 0.44-0.65 | 0.44-0.65 | 0.44-0.65 | 0.87-1.13 | – | 2.0-3.0 |
| 铜 | 0.40 | 0.40 | 0.40 | – | – | – | – | – | – | – |
| 铌 | 0.02 | 0.02 | 0.02 | – | – | – | – | – | – | – |
| 钒 | 0.05 | 0.05 | 0.03 | – | – | – | – | – | – | – |
| 最小抗拉强度 | 70 | 70-95 | 70-95 | 70 | 70 | 90 | 70 | 75 | 75 | 75 |
| 最小屈服强度 | 36 | 36 | 37.5 | 40 | 40 | 65 | 40 | 45 | 30 | 30 |
| 最小延伸率 | 22 | 22 | 22 | 20 | 20 | 22 | 20 | 20 | 30 | 30 |
| 最小伸缩率 | 30 | 30 | 35 | 30 | 35 | 50 | 30 | 30 | -50 | 50 |
| 最大硬度 | 187 | 197 | 197 | 143-192 | 143-217 | 187-248 | 143-207 | 156-207 | – | – |