EN 10297-1 Grade 25CrMo4 quenched and tempered (+QT)
Equivalent material: EN 25CrMo4, DIN 1.7214, AFNOR 25 CD 4 S, AFNOR 9160C083, AFNOR 9160/C 39, AFNOR 25CrMo4, BS FE-PL1502, BS 25CrMo4, AISI 4130, SAE 4130, EN 1.7214, ASTM 4130, UNS J24056, IS 26Cr4Mo2, DIN 1.7218, AFNOR 25CD4, BS 1717CDS110, BS 708A25, UNI 25CrMo4(KB), SS 2225, UNE 55Cr3, AISI 4130H, SAE 4130H, JIS SM420, JIS SCM430, JIS SCM420, JIS SCCrM1A, JIS SCCrM1B, EN 1.7218, ASTM 4130H, UNS G41300, UNS H41300
EN 10297-1 Grade 25CrMo4 quenched and tempered (+QT) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.83 g/cm³ |
EN 10297-1 Grade 25CrMo4 quenched and tempered (+QT) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
-100.0 °C |
Coefficient of thermal expansion of 1.05E-5 1/K |
- |
| - |
20.0 °C |
Coefficient of thermal expansion of 1.15E-5 1/K |
- |
| - |
100.0 °C |
Coefficient of thermal expansion of 1.21E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.27E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.32E-5 1/K |
- |
| - |
400.0 °C |
Coefficient of thermal expansion of 1.36E-5 1/K |
- |
| - |
500.0 °C |
Coefficient of thermal expansion of 1.4E-5 1/K |
- |
| - |
600.0 °C |
Coefficient of thermal expansion of 1.44E-5 1/K |
- |
| Melting point |
- |
Melting point of 1382 - 1529 °C |
Typical for Chromium Molybdenum Steel |
| Specific heat capacity |
-100.0 °C |
Specific heat capacity of 423 J/(kg·K) |
- |
| - |
20.0 °C |
Specific heat capacity of 461 J/(kg·K) |
- |
| - |
100.0 °C |
Specific heat capacity of 479 J/(kg·K) |
- |
| - |
200.0 °C |
Specific heat capacity of 499 J/(kg·K) |
- |
| - |
300.0 °C |
Specific heat capacity of 517 J/(kg·K) |
- |
| - |
400.0 °C |
Specific heat capacity of 536 J/(kg·K) |
- |
| - |
500.0 °C |
Specific heat capacity of 558 J/(kg·K) |
- |
| - |
600.0 °C |
Specific heat capacity of 587 J/(kg·K) |
- |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 41 W/(m·K) |
- |
| - |
100.0 °C |
Thermal conductivity of 42.7 W/(m·K) |
- |
| - |
200.0 °C |
Thermal conductivity of 42.8 W/(m·K) |
- |
| - |
300.0 °C |
Thermal conductivity of 41.6 W/(m·K) |
- |
| - |
400.0 °C |
Thermal conductivity of 39.9 W/(m·K) |
- |
| - |
500.0 °C |
Thermal conductivity of 37.8 W/(m·K) |
- |
| - |
600.0 °C |
Thermal conductivity of 35.6 W/(m·K) |
- |
| Thermal diffusivity |
20.0 °C |
Thermal diffusivity of 11.4 mm²/s |
- |
| - |
100.0 °C |
Thermal diffusivity of 11 mm²/s |
- |
| - |
200.0 °C |
Thermal diffusivity of 10.3 mm²/s |
- |
| - |
300.0 °C |
Thermal diffusivity of 9.5 mm²/s |
- |
| - |
400.0 °C |
Thermal diffusivity of 8.5 mm²/s |
- |
| - |
500.0 °C |
Thermal diffusivity of 7.3 mm²/s |
- |
| - |
600.0 °C |
Thermal diffusivity of 6 mm²/s |
- |
EN 10297-1 Grade 25CrMo4 quenched and tempered (+QT) chemical
| Property |
Value |
| Carbon |
Carbon of 0.22 - 0.29 % |
| Chromium |
Chromium of 0.9 - 1.2 % |
| Manganese |
Manganese of 0.6 - 0.9 % |
| Molybdenum |
Molybdenum of 0.15 - 0.3 % |
| Phosphorus |
Phosphorus of 0.04 % |
| Silicon |
Silicon of 0.4 % |
| Sulfur |
Sulfur of 0.035 % |
EN 10297-1 Grade 25CrMo4 quenched and tempered (+QT) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 2.54E-7 Ω·m |
| - |
100.0 °C |
Electrical resistivity of 3E-7 Ω·m |
| - |
200.0 °C |
Electrical resistivity of 3.69E-7 Ω·m |
| - |
300.0 °C |
Electrical resistivity of 4.51E-7 Ω·m |
| - |
400.0 °C |
Electrical resistivity of 5.45E-7 Ω·m |
| - |
500.0 °C |
Electrical resistivity of 6.54E-7 Ω·m |
| - |
600.0 °C |
Electrical resistivity of 7.78E-7 Ω·m |
EN 10297-1 Grade 25CrMo4 quenched and tempered (+QT) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
-100.0 °C |
Elastic modulus of 217 GPa |
- |
| - |
20.0 °C |
Elastic modulus of 212 GPa |
- |
| - |
100.0 °C |
Elastic modulus of 207 GPa |
- |
| - |
200.0 °C |
Elastic modulus of 199 GPa |
- |
| - |
300.0 °C |
Elastic modulus of 192 GPa |
- |
| - |
400.0 °C |
Elastic modulus of 184 GPa |
- |
| - |
500.0 °C |
Elastic modulus of 175 GPa |
- |
| - |
600.0 °C |
Elastic modulus of 164 GPa |
- |
| Elongation |
20.0 °C |
Elongation of 12 - 16 % |
- |
| Elongation, transverse |
20.0 °C |
Elongation, transverse of 10 - 14 % |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Chromium Molybdenum Steel |
| Reduction of area |
20.0 °C |
Reduction of area of 50 - 60 % |
- |
| Reduction of area, transverse |
20.0 °C |
Reduction of area, transverse of 50 - 60 % |
- |
| Tensile strength |
20.0 °C |
Tensile strength of 650 - 1100 MPa |
- |
| Tensile strength, transverse |
20.0 °C |
Tensile strength, transverse of 650 - 1100 MPa |
- |
| Yield strength |
20.0 °C |
Yield strength of 400 - 700 MPa |
- |
| Yield strength, transverse |
20.0 °C |
Yield strength, transverse of 400 - 700 MPa |
- |
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