C | Si | Μn | Cr | W | V | P | S |
0.32~0.42 | 0.80~1.20 | ≤0.04 | 4.50~5.50 | 1.60~2.40 | 0.60~1.00 | ≤0.30 | ≤0.30 |
临界点 | Ac1 | Ac3 | Ar1 | Ar3 | Ms | Mf |
温度(近似值)/℃ | 800 | 875 | 730 | 840 | 275 | 90 |
温度/℃ | 22~100 | 22~200 | 22~500 | 22~600 |
线(膨)胀系数/℃ | 7.6×10 | 8.7×10 | 11.6×10 | 12×10 |
温度/℃ | 20 | 100 | 200 | 300 | 400 | 500 | 600 |
弹性模量E/MPa | 230000 | 226000 | 210000 | 210000 | 203000 | 192000 | 178000 |