SAE J404 Grade 4720
Equivalent material: AISI 4720, ASTM 4720, UNS G47200
SAE J404 Grade 4720 general
| Property |
Temperature |
Value |
Comment |
| Density |
23.0 °C |
Density of 7.8 - 7.9 g/cm³ |
Typical for Nickel Molybdenum Steel |
SAE J404 Grade 4720 thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
23.0 °C |
Coefficient of thermal expansion of 9E-6 - 1.3E-5 1/K |
Typical for Nickel Molybdenum Steel |
| Melting point |
- |
Melting point of 1382 - 1529 °C |
Typical for Nickel Molybdenum Steel |
| Specific heat capacity |
23.0 °C |
Specific heat capacity of 335 - 481 J/(kg·K) |
Typical for Nickel Molybdenum Steel |
| Thermal conductivity |
23.0 °C |
Thermal conductivity of 44 W/(m·K) |
Typical for Nickel Molybdenum Steel |
SAE J404 Grade 4720 chemical
| Property |
Value |
| Carbon |
Carbon of 0.17 - 0.22 % |
| Chromium |
Chromium of 0.35 - 0.55 % |
| Iron |
Iron of 96.7 - 97.78 % |
| Manganese |
Manganese of 0.5 - 0.7 % |
| Molybdenum |
Molybdenum of 0.15 - 0.25 % |
| Nickel |
Nickel of 0.9 - 1.2 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 0.15 - 0.3 % |
| Sulfur |
Sulfur of 0.04 % |
SAE J404 Grade 4720 mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
23.0 °C |
Elastic modulus of 200 - 215 GPa |
Typical for Nickel Molybdenum Steel |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Nickel Molybdenum Steel |
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