ASTM A519 Grade 4140 Stress Relieved
Equivalent material: UNS G41400
ASTM A519 Grade 4140 Stress Relieved general
| Property |
Temperature |
Value |
Comment |
| Density |
23.0 °C |
Density of 7.8 - 7.9 g/cm³ |
Typical for Chromium Molybdenum Steel |
ASTM A519 Grade 4140 Stress Relieved thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
23.0 °C |
Coefficient of thermal expansion of 1.1E-5 - 1.4E-5 1/K |
Typical for Chromium Molybdenum Steel |
| Melting point |
- |
Melting point of 1382 - 1529 °C |
Typical for Chromium Molybdenum Steel |
| Specific heat capacity |
23.0 °C |
Specific heat capacity of 448 - 502 J/(kg·K) |
Typical for Chromium Molybdenum Steel |
| Thermal conductivity |
23.0 °C |
Thermal conductivity of 36 - 43 W/(m·K) |
Typical for Chromium Molybdenum Steel |
ASTM A519 Grade 4140 Stress Relieved chemical
| Property |
Value |
| Carbon |
Carbon of 0.38 - 0.43 % |
| Chromium |
Chromium of 0.8 - 1.1 % |
| Manganese |
Manganese of 0.75 - 1 % |
| Molybdenum |
Molybdenum of 0.15 - 0.25 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 0.15 - 0.35 % |
| Sulfur |
Sulfur of 0.04 % |
ASTM A519 Grade 4140 Stress Relieved mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
23.0 °C |
Elastic modulus of 200 - 215 GPa |
Typical for Chromium Molybdenum Steel |
| Elongation A50 |
23.0 °C |
Elongation A50 of 10 % |
- |
| Hardness, Rockwell B |
23.0 °C |
Hardness, Rockwell B of 100 [-] |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Chromium Molybdenum Steel |
| Tensile strength |
23.0 °C |
Tensile strength of 825 MPa |
- |
| Yield strength |
23.0 °C |
Yield strength of 690 MPa |
- |
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