ASTM A29 Grade 5120
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 20MnCr5, JIS SMnC21H, EN 20MnCr5, EN 1.7147, GOST 18CHG, UNS H51200, UNS G48200, UNS G51200
ASTM A29 Grade 5120 general
| Property |
Temperature |
Value |
Comment |
| Density |
23.0 °C |
Density of 7.8 - 7.9 g/cm³ |
Typical for Chromium Steel |
ASTM A29 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 |
ASTM A29 Grade 5120 electrical
| Property |
Value |
| Carbon |
Carbon of 0.17 - 0.22 % |
| Chromium |
Chromium of 0.7 - 0.9 % |
| Copper |
Copper of 0.35 % |
| Manganese |
Manganese of 0.7 - 0.9 % |
| Molybdenum |
Molybdenum of 0.06 % |
| Nickel |
Nickel of 0.25 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 0.15 - 0.35 % |
| Sulfur |
Sulfur of 0.04 % |
ASTM A29 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 |
