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42CrMo4 Chromium-Molybdenum QT Steel
alloy-steelBasic Properties
| Property | Value | Unit |
|---|---|---|
| density | 7.85 | g/cm³ |
| elastic_modulus | 210 | GPa |
| poisson_ratio | 0.3 | — |
| yield_strength | 900 | MPa |
| tensile_strength | 1100 | MPa |
| hardness_hv | 340 | HV |
| thermal_expansion | 12.2 | 10⁻⁶/K |
| temp_range_min | -40 ~ 300 °C | °C |
High-Temp Performance
| Temperature | Value | Unit |
|---|---|---|
| 900 | — | |
| 830 | — | |
| 720 | — |