SAE J404 Grade 5120
Equivalent material: DIN 1.7149, DIN 20MnCrS5, DIN 16MnCr5E, AFNOR 20MC5, UNI 20MnCr5, AISI 5120, AISI 4820, SAE 4820, JIS SMnC420H, EN 20MnCrS5, EN 16MnCr5E, EN 1.7149, UNS G48200
SAE J404 Grade 5120 general
| Property |
Temperature |
Value |
Comment |
| Density |
23.0 °C |
Density of 7.8 - 7.9 g/cm³ |
Typical for Chromium Steel |
SAE J404 Grade 5120 thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
23.0 °C |
Coefficient of thermal expansion of 9.4E-6 - 1.5E-5 1/K |
Typical for Chromium Steel |
| Melting point |
- |
Melting point of 1382 - 1529 °C |
Typical for Chromium Steel |
| Specific heat capacity |
23.0 °C |
Specific heat capacity of 440 - 494 J/(kg·K) |
Typical for Chromium Steel |
| Thermal conductivity |
23.0 °C |
Thermal conductivity of 23 - 50 W/(m·K) |
Typical for Chromium Steel |
SAE J404 Grade 5120 electrical
| Property |
Value |
| Carbon |
Carbon of 0.17 - 0.22 % |
| Chromium |
Chromium of 0.7 - 0.9 % |
| Manganese |
Manganese of 0.7 - 0.9 % |
| Phosphorus |
Phosphorus of 0.03 % |
| Silicon |
Silicon of 0.15 - 0.35 % |
| Sulfur |
Sulfur of 0.04 % |
SAE J404 Grade 5120 mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
23.0 °C |
Elastic modulus of 200 - 215 GPa |
Typical for Chromium Steel |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Chromium Steel |
