EN 10084 Grade 20NiCrMoS2-2 quenched (+Q)
EN 10084 Grade 20NiCrMoS2-2 quenched (+Q) introduction
Steel 20NiCrMoS-2 is suitable for parts in vehicle manufacturing and machine engineering, which are wear loaded at mean core strength, high ductiltity and fatigue strength (e.g gear wheels, shafts, axles).
It shows an enhanced workability.
Equivalent material: GB 20CrNiMoH, GB A50207, GB 20CrNiMoAH, GB A50205, EN 1.6526, EN 20NiCrMo2-2, IS 20Ni2Cr2Mo2(-S), ISO 20NiCrMo2-2, ASTM A534 Grade 8620H, UNS H86200, AISI 8620H, DIN 21NiCrMoS2, DIN 1.6526, AFNOR 20NiCrMoS2-2, BS 20NiCrMoS2-2, UNI 20NiCrMoS2-2, AISI 8720, SAE 8620H, SAE 8720, EN 21NiCrMoS2, ISO 20NiCrMoS2-2, ASTM 8720, UNS G87200
EN 10084 Grade 20NiCrMoS2-2 quenched (+Q) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.84 - 7.85 g/cm³ |
EN 10084 Grade 20NiCrMoS2-2 quenched (+Q) 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 1.1E-5 - 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 Nickel 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 44 - 46.3 W/(m·K) |
- |
| - |
100.0 °C |
Thermal conductivity of 47.1 W/(m·K) |
- |
| - |
200.0 °C |
Thermal conductivity of 46.2 W/(m·K) |
- |
| - |
300.0 °C |
Thermal conductivity of 44.1 W/(m·K) |
- |
| - |
400.0 °C |
Thermal conductivity of 41.3 W/(m·K) |
- |
| - |
500.0 °C |
Thermal conductivity of 38.6 W/(m·K) |
- |
| - |
600.0 °C |
Thermal conductivity of 35.9 W/(m·K) |
- |
| Thermal diffusivity |
20.0 °C |
Thermal diffusivity of 12.8 mm²/s |
- |
| - |
100.0 °C |
Thermal diffusivity of 12.1 mm²/s |
- |
| - |
200.0 °C |
Thermal diffusivity of 11.1 mm²/s |
- |
| - |
300.0 °C |
Thermal diffusivity of 10 mm²/s |
- |
| - |
400.0 °C |
Thermal diffusivity of 8.8 mm²/s |
- |
| - |
500.0 °C |
Thermal diffusivity of 7.4 mm²/s |
- |
| - |
600.0 °C |
Thermal diffusivity of 4.7 mm²/s |
- |
EN 10084 Grade 20NiCrMoS2-2 quenched (+Q) chemical
| Property |
Value |
| Carbon |
Carbon of 0.17 - 0.23 % |
| Chromium |
Chromium of 0.35 - 0.7 % |
| Copper |
Copper of 0.4 % |
| Manganese |
Manganese of 0.65 - 0.95 % |
| Molybdenum |
Molybdenum of 0.15 - 0.25 % |
| Nickel |
Nickel of 0.4 - 0.7 % |
| Phosphorus |
Phosphorus of 0.03 % |
| Silicon |
Silicon of 0.15 - 0.4 % |
| Sulfur |
Sulfur of 0.02 - 0.04 % |
EN 10084 Grade 20NiCrMoS2-2 quenched (+Q) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 1.6E-7 - 2.25E-7 Ω·m |
| - |
100.0 °C |
Electrical resistivity of 2.72E-7 Ω·m |
| - |
200.0 °C |
Electrical resistivity of 3.42E-7 Ω·m |
| - |
300.0 °C |
Electrical resistivity of 4.26E-7 Ω·m |
| - |
400.0 °C |
Electrical resistivity of 5.26E-7 Ω·m |
| - |
500.0 °C |
Electrical resistivity of 6.4E-7 Ω·m |
| - |
600.0 °C |
Electrical resistivity of 7.73E-7 Ω·m |
EN 10084 Grade 20NiCrMoS2-2 quenched (+Q) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
-100.0 °C |
Elastic modulus of 217 GPa |
- |
| - |
20.0 °C |
Elastic modulus of 205 - 212 GPa |
- |
| - |
100.0 °C |
Elastic modulus of 207 GPa |
- |
| - |
200.0 °C |
Elastic modulus of 188 - 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 |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Nickel Chromium Molybdenum Steel |
| Shear modulus |
20.0 °C |
Shear modulus of 79 GPa |
- |
| Tensile strength |
20.0 °C |
Tensile strength of 600 - 1100 MPa |
- |
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