元素 | C | Si | Mn | P | S | Cr | Mo | V |
含量 | 0.38~0.42 | 0.80~1.20 | 0.30~0.50 | ≤0.025 | ≤0.005 | 4.80~5.50 | 1.20~1.50 | 0.90~1.10 |
热膨胀系数 | 20~100℃ | 20~200 ℃ | 20~300℃ | 20~400℃ | 20~500℃ | 20~600℃ | 20~700℃ |
[10-6m/(m×k)] | 10.9 | 11.9 | 12.3 | 12.7 | 13.0 | 13.3 | 13.5 |
热传导性 | 20℃ | 350℃ | 700℃ |
[W/(m×k)] | 20.0 | 23.0 | 26.2 |