EN 10269 Grade 40CrMoV4-6 quenched and tempered (+QT)
EN 10269 Grade 40CrMoV4-6 quenched and tempered (+QT) introduction
High-temperature steel for screws and nuts. Max. application temperature: 540 °C
Further application for mounting elements at increased temperatures.
Equivalent material: BS 670, ISO 40CrMoV4-6, JIS SNB16, ÖNORM 40CrMoV4-7S, DIN 40CrMoV4-7, IS 40Cr4Mo6V3, JIS SNB16 Class 3, JIS SNB21, ASTM B16, ASTM 16, ASTM B4D, UNS K14072, DIN GB, ASTM A193 Grade B16, ASTM A194 Grade 16, ASTM A437 Grade B4D, DIN 1.7711, DIN 40CrMoV4-6, AFNOR 40CrMoV4-6, BS 670-860, AISI A193B16, SAE A193B16, JIS SNB21-1, JIS SNB21-2, JIS SNB21-3, JIS SNB21-4, JIS SNB21-5, EN 40CrMoV4-7, EN 1.7711, ASTM Grade B16, UNS K14675
EN 10269 Grade 40CrMoV4-6 quenched and tempered (+QT) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.83 - 7.85 g/cm³ |
EN 10269 Grade 40CrMoV4-6 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 1.39E-5 - 1.4E-5 1/K |
- |
| - |
600.0 °C |
Coefficient of thermal expansion of 1.41E-5 - 1.44E-5 1/K |
- |
| Max service temperature, long |
- |
Max service temperature, long of 0 - 540 °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 33 - 45.1 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 10269 Grade 40CrMoV4-6 quenched and tempered (+QT) chemical
| Property |
Value |
| Aluminium |
Aluminium of 0.015 % |
| Carbon |
Carbon of 0.36 - 0.44 % |
| Chromium |
Chromium of 0.9 - 1.2 % |
| Manganese |
Manganese of 0.45 - 0.85 % |
| Molybdenum |
Molybdenum of 0.5 - 0.65 % |
| Phosphorus |
Phosphorus of 0.03 % |
| Silicon |
Silicon of 0.4 % |
| Sulfur |
Sulfur of 0.03 % |
| Vanadium |
Vanadium of 0.25 - 0.35 % |
EN 10269 Grade 40CrMoV4-6 quenched and tempered (+QT) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 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 10269 Grade 40CrMoV4-6 quenched and tempered (+QT) mechanical
| Property |
Temperature |
Value |
| Elastic modulus |
-100.0 °C |
Elastic modulus of 217 GPa |
| - |
20.0 °C |
Elastic modulus of 211 - 212 GPa |
| - |
100.0 °C |
Elastic modulus of 204 - 207 GPa |
| - |
200.0 °C |
Elastic modulus of 196 - 199 GPa |
| - |
300.0 °C |
Elastic modulus of 186 - 192 GPa |
| - |
400.0 °C |
Elastic modulus of 177 - 184 GPa |
| - |
500.0 °C |
Elastic modulus of 164 - 175 GPa |
| - |
600.0 °C |
Elastic modulus of 127 - 164 GPa |
| Elongation |
20.0 °C |
Elongation of 14 % |
| Poisson's ratio |
20.0 °C |
Poisson's ratio of 0.28 [-] |
| Reduction of area |
20.0 °C |
Reduction of area of 45 % |
| Tensile strength |
20.0 °C |
Tensile strength of 850 - 1000 MPa |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 640 - 700 MPa |
| - |
50.0 °C |
Yield strength Rp0.2 of 631 - 687 MPa |
| - |
100.0 °C |
Yield strength Rp0.2 of 612 - 670 MPa |
| - |
150.0 °C |
Yield strength Rp0.2 of 591 - 647 MPa |
| - |
200.0 °C |
Yield strength Rp0.2 of 577 - 631 MPa |
| - |
250.0 °C |
Yield strength Rp0.2 of 556 - 608 MPa |
| - |
300.0 °C |
Yield strength Rp0.2 of 542 - 593 MPa |
| - |
350.0 °C |
Yield strength Rp0.2 of 528 - 577 MPa |
| - |
400.0 °C |
Yield strength Rp0.2 of 507 - 554 MPa |
| - |
450.0 °C |
Yield strength Rp0.2 of 479 - 523 MPa |
| - |
500.0 °C |
Yield strength Rp0.2 of 429 - 470 MPa |
| - |
550.0 °C |
Yield strength Rp0.2 of 366 - 400 MPa |
| - |
600.0 °C |
Yield strength Rp0.2 of 268 - 293 MPa |
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