JIS G4805 Grade 20MnCr5 isothermally treated to ferrite-perlite structure and hardness range
Equivalent material: DIN 1.7147, DIN 20MnCr5, AFNOR 20MnCr5, BS 20MnCr5, AISI 5120H, AISI 4820, SAE 5120H, SAE 4820, JIS SMnC420H, JIS SMnC420RCH, JIS SMnCRCH, JIS SMnC21H, EN 20MnCr5, EN 1.7147, GOST 18CHG, ASTM 5120, UNS H51200, UNS G48200
JIS G4805 Grade 20MnCr5 isothermally treated to ferrite-perlite structure and hardness range general
| Property |
Temperature |
Value |
Comment |
| Density |
23.0 °C |
Density of 7.8 - 7.9 g/cm³ |
Typical for Chromium Steel |
JIS G4805 Grade 20MnCr5 isothermally treated to ferrite-perlite structure and hardness range 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 |
JIS G4805 Grade 20MnCr5 isothermally treated to ferrite-perlite structure and hardness range mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
23.0 °C |
Elastic modulus of 200 - 215 GPa |
Typical for Chromium Steel |
| Hardness, Brinell |
23.0 °C |
Hardness, Brinell of 152 - 201 [-] |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Chromium Steel |
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