EN 10277-5 Grade 41CrS4 quenched and tempered and cold drawn (+QT+C)
EN 10277-5 Grade 41CrS4 quenched and tempered and cold drawn (+QT+C) introduction
Steel 41CrS4 is suitable for mean loaded parts in vehicle, engine and machine engineering with mean heat-treatment sections and enhanced workability. (e.g. gear wheels, transmission shafts, axles). Lowest application temperature -25°C.
As a bright steel product it is used in the form of bars, bright, straight, in various conditions (see DIN EN 10277 : 1999-10).
Equivalent material: AFNOR 42C4u, BS 530M40, ISO 41CrS4, UNI 41Cr4, SS 2245, UNE F.1207-42Cr4-1, DIN 41CrS4, ASTM A108 Grade 5140, SAE 5140, SAE Grade 5140, UNS 5140, DIN 1.7039, AFNOR 41CrS4, BS 41CrS4, UNI 41CrS4, AISI L1, AISI 5140, AISI 5140H, SAE L1, SAE 5140H, JIS SCr440H, JIS SCr440, EN 1.7039, GOST 40KH, GOST 40CH, UNS H51400, UNS G51400
EN 10277-5 Grade 41CrS4 quenched and tempered and cold drawn (+QT+C) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.83 - 7.85 g/cm³ |
EN 10277-5 Grade 41CrS4 quenched and tempered and cold drawn (+QT+C) 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 -25 - 0 °C |
- |
| Melting point |
- |
Melting point of 1382 - 1529 °C |
Typical for Chromium 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 45.1 - 46 W/(m·K) |
- |
| - |
100.0 °C |
Thermal conductivity of 45.1 W/(m·K) |
- |
| - |
200.0 °C |
Thermal conductivity of 44.1 W/(m·K) |
- |
| - |
300.0 °C |
Thermal conductivity of 41.9 W/(m·K) |
- |
| - |
400.0 °C |
Thermal conductivity of 39.4 W/(m·K) |
- |
| - |
500.0 °C |
Thermal conductivity of 36.9 W/(m·K) |
- |
| - |
600.0 °C |
Thermal conductivity of 34.4 W/(m·K) |
- |
| Thermal diffusivity |
20.0 °C |
Thermal diffusivity of 12.5 mm²/s |
- |
| - |
100.0 °C |
Thermal diffusivity of 11.6 mm²/s |
- |
| - |
200.0 °C |
Thermal diffusivity of 10.6 mm²/s |
- |
| - |
300.0 °C |
Thermal diffusivity of 9.5 mm²/s |
- |
| - |
400.0 °C |
Thermal diffusivity of 8.4 mm²/s |
- |
| - |
500.0 °C |
Thermal diffusivity of 7.1 mm²/s |
- |
| - |
600.0 °C |
Thermal diffusivity of 5.8 mm²/s |
- |
EN 10277-5 Grade 41CrS4 quenched and tempered and cold drawn (+QT+C) chemical
| Property |
Value |
| Carbon |
Carbon of 0.38 - 0.45 % |
| Chromium |
Chromium of 0.9 - 1.2 % |
| Manganese |
Manganese of 0.6 - 0.9 % |
| Phosphorus |
Phosphorus of 0.03 - 0.04 % |
| Silicon |
Silicon of 0.4 % |
| Sulfur |
Sulfur of 0.02 - 0.04 % |
EN 10277-5 Grade 41CrS4 quenched and tempered and cold drawn (+QT+C) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 1.9E-7 - 2.31E-7 Ω·m |
| - |
100.0 °C |
Electrical resistivity of 2.84E-7 Ω·m |
| - |
200.0 °C |
Electrical resistivity of 3.58E-7 Ω·m |
| - |
300.0 °C |
Electrical resistivity of 4.48E-7 Ω·m |
| - |
400.0 °C |
Electrical resistivity of 5.52E-7 Ω·m |
| - |
500.0 °C |
Electrical resistivity of 6.71E-7 Ω·m |
| - |
600.0 °C |
Electrical resistivity of 8.06E-7 Ω·m |
EN 10277-5 Grade 41CrS4 quenched and tempered and cold drawn (+QT+C) mechanical
| Property |
Temperature |
Value |
| 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 175 - 184 GPa |
| - |
500.0 °C |
Elastic modulus of 175 GPa |
| - |
600.0 °C |
Elastic modulus of 164 GPa |
| Elongation |
20.0 °C |
Elongation of 8 - 11 % |
| Poisson's ratio |
20.0 °C |
Poisson's ratio of 0.28 [-] |
| Shear modulus |
20.0 °C |
Shear modulus of 81 GPa |
| Tensile strength |
20.0 °C |
Tensile strength of 800 - 1200 MPa |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 570 - 900 MPa |
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