AISI 4120 Grade 4120
Equivalent material: SAE 4120, ASTM 4120, UNS G41200
AISI 4120 Grade 4120 general
| Property |
Temperature |
Value |
Comment |
| Density |
23.0 °C |
Density of 7.8 - 7.9 g/cm³ |
Typical for Chromium Molybdenum Steel |
AISI 4120 Grade 4120 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 |
AISI 4120 Grade 4120 chemical
| Property |
Value |
| Carbon |
Carbon of 0.18 - 0.23 % |
| Chromium |
Chromium of 0.4 - 0.6 % |
| Manganese |
Manganese of 0.9 - 1.2 % |
| Molybdenum |
Molybdenum of 0.08 - 0.15 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 0.2 - 0.35 % |
| Sulfur |
Sulfur of 0.04 % |
AISI 4120 Grade 4120 mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
23.0 °C |
Elastic modulus of 200 - 215 GPa |
Typical for Chromium Molybdenum Steel |
| Elongation |
23.0 °C |
Elongation of 41 % |
- |
| Hardness, Brinell |
23.0 °C |
Hardness, Brinell of 314 [-] |
- |
| 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 693 MPa |
- |
| Yield strength Rp0.2 |
23.0 °C |
Yield strength Rp0.2 of 996 MPa |
- |
Benefit from our expertise in precision engineering to achieve superior steel solutions.
-- Our promise
Similar or equivalent steel materials
Get a quote