SAE J404 Grade 4820
Equivalent material: DIN 1.6587, DIN 17CrNiMo6, DIN 18CrNiMo7-6, AFNOR 20MC5, BS 18CrNiMo7-6, UNE 14NiCrMo13, AISI 4820, JIS 18CrNiMo7-6, EN 18CrNiMo7-6, EN 1.6587, ISO 18CrNiMo7-6, UNS G48200, ASTM 4820, DIN 1.7147, DIN 20MnCr5, AFNOR 20MnCr5, BS 20MnCr5, AISI 5120H, SAE 5120H, JIS SMnC420H, JIS SMnC420RCH, JIS SMnCRCH, JIS 20MnCr5, JIS SMnC21H, EN 20MnCr5, EN 1.7147, GOST 18CHG, ASTM 5120, UNS H51200, DIN 1.7149, DIN 20MnCrS5, DIN 16MnCr5E, UNI 20MnCr5, AISI 5120, SAE 5120, EN 20MnCrS5, EN 16MnCr5E, EN 1.7149
SAE J404 Grade 4820 general
| Property |
Temperature |
Value |
Comment |
| Density |
23.0 °C |
Density of 7.8 - 7.9 g/cm³ |
Typical for Nickel Chromium Molybdenum Steel |
SAE J404 Grade 4820 thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
23.0 °C |
Coefficient of thermal expansion of 1E-5 - 1.3E-5 1/K |
Typical for Nickel Chromium Molybdenum Steel |
| Melting point |
- |
Melting point of 1382 - 1529 °C |
Typical for Nickel Chromium Molybdenum Steel |
| Specific heat capacity |
23.0 °C |
Specific heat capacity of 448 - 670 J/(kg·K) |
Typical for Nickel Chromium Molybdenum Steel |
| Thermal conductivity |
23.0 °C |
Thermal conductivity of 34 - 54 W/(m·K) |
Typical for Nickel Chromium Molybdenum Steel |
SAE J404 Grade 4820 electrical
| Property |
Value |
| Carbon |
Carbon of 0.18 - 0.23 % |
| Manganese |
Manganese of 0.5 - 0.7 % |
| Molybdenum |
Molybdenum of 0.2 - 0.3 % |
| Nickel |
Nickel of 3.25 - 3.75 % |
| Phosphorus |
Phosphorus of 0.03 % |
| Silicon |
Silicon of 0.15 - 0.35 % |
| Sulfur |
Sulfur of 0.04 % |
SAE J404 Grade 4820 mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
23.0 °C |
Elastic modulus of 200 - 215 GPa |
Typical for Nickel Chromium Molybdenum Steel |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Nickel Chromium Molybdenum Steel |
