產品詳情
機械性能：
| 牌號 | 交貨狀態 | ||||||||
| BK | BKW | BKS | NBK | ||||||
| 抗拉強度(MPa) | 伸長率(%) | 抗拉強度(MPa) | 伸長率(%) | 抗拉強度(MPa) | 伸長率(%) | 抗拉強度(MPa) | 伸長率(%) | 屈服強度(MPa) | |
| ≥ | |||||||||
| 10 | 410 | 6 | 375 | 10 | 335 | 12 | 335 | 24 | |
| 20 | 510 | 5 | 450 | 8 | 430 | 10 | 410 | 20 | |
| 35 | 590 | 4 | 550 | 6 | 520 | 8 | 530 | 17 | |
| 45 | 645 | 4 | 630 | 5 | 610 | 7 | 600 | 14 | |
| 40Cr | ≥784 | ≥12 | |||||||
| 37Mn5 | ≥784 | ≥12 | |||||||
化學成份：
| 牌號 | 化學成分% | |||||
| C | Si | Mn | S | P | Cr | |
| 10 | 0.07-0.13 | 0.17-0.37 | 0.35-0.65 | ≤0.035 | ≤0.035 | |
| 20 | 0.17-0.23 | 0.17-0.37 | 0.35-0.65 | ≤0.035 | ≤0.035 | |
| 35 | 0.32-0.39 | 0.17-0.37 | 0.35-0.65 | ≤0.035 | ≤0.035 | |
| 45 | 0.42-0.50 | 0.17-0.37 | 0.50-0.80 | ≤0.035 | ≤0.035 | |
| 40Cr | 0.37-0.44 | 0.17-0.37 | 0.50-0.80 | ≤0.035 | ≤0.035 | 0.08-1.10 |
| 25Mn | 0.22-0.29 | 0.17-0.37 | 0.70-1.00 | ≤0.035 | ≤0.035 | ≤0.25 |
| 37Mn5 | 0.30-0.39 | 0.15-0.30 | 1.20-1.50 | ≤0.015 | ≤0.020 | |
