化学成分 | C | Si | Mn | P | S | Cr | Ni | Mo | N |
标准 | £0.03 | £1.00 | £2.00 | £0.04 | £0.03 | 21.0~24.0 | 4.5~6.5 | 2.5~3.5 | 0.08~0.2 |
一般 | 0.025 | 0.6 | 1.5 | 0.026 | 0.001 | 22.5 | 5.8 | 3.0 | 0.16 |
区分 | 力学性能 | 备注 | ||
Ys (Mpa) | Ts (Mpa) | El (%) | Hv | 2.0t/2B |
标准 | ≥ 450 | ≥ 620 | ≥ 18 | ≤ 320 |
一般 | 670 | 875 | 27 | 280 |
密度 (g/cm) |
磁性 |
比热 (J/g.C) |
热导率 100C(W/m. |
热膨胀率 20~100C (10/C) |
7.8 | 有 | 0.45 | 19.0 | 13.7 |