EN 10132-3 Grade 25CrMo4 quenched and tempered (+QT)
EN 10132-3 Grade 25CrMo4 quenched and tempered (+QT) introduction
Cold-rolled narrow strip made of the alloy steel 25CrMo4 will be delivered in thicknesses up to 6 mm for quenching and tempering and for quenched and tempered cold strip in thicknesses between 0.3 mm and 3.0 mm in following conditions:
- soft annealed or soft annealed and little rerolled (+A or +LC),
- cold rolled (+CR),
- quenched and tempered (+QT).
The delivery condition annealed to globular carbides (+AC) can be agreed.
Equivalent material: GB 30CrMo, GB A30302, JIS SCM420M, UNS H41300, DIN 1.7214, DIN 25CrMo4, 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
EN 10132-3 Grade 25CrMo4 quenched and tempered (+QT) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.83 - 7.85 g/cm³ |
EN 10132-3 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 1.11E-5 - 1.21E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.21E-5 - 1.27E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.29E-5 - 1.32E-5 1/K |
- |
| - |
400.0 °C |
Coefficient of thermal expansion of 1.35E-5 - 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 |
- |
| Max service temperature, long |
- |
Max service temperature, long of 0 - 200 °C |
- |
| 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 460 - 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 - 50 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 10132-3 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 10132-3 Grade 25CrMo4 quenched and tempered (+QT) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 1.8E-7 - 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 10132-3 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 210 - 212 GPa |
- |
| - |
100.0 °C |
Elastic modulus of 205 - 207 GPa |
- |
| - |
200.0 °C |
Elastic modulus of 195 - 199 GPa |
- |
| - |
300.0 °C |
Elastic modulus of 185 - 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 |
- |
| Hardness, Rockwell C |
20.0 °C |
Hardness, Rockwell C of 31.5 - 44 [-] |
- |
| Hardness, Vickers |
20.0 °C |
Hardness, Vickers of 305 - 435 [-] |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Chromium Molybdenum Steel |
| Shear modulus |
20.0 °C |
Shear modulus of 81 GPa |
- |
| Tensile strength |
20.0 °C |
Tensile strength of 990 - 1400 MPa |
- |
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