EN 10084 Grade 20NiCrMo2-2 quenched (+Q)
EN 10084 Grade 20NiCrMo2-2 quenched (+Q) introduction
Steel 20NiCrMo2-2 is suitable for parts in vehicle manufacturing and machine engineering, which are wear loaded at mean core strength, high ductility and fatigue strength (e.g. gear wheels, shafts, axles).
Equivalent material: AS 8620H, GB 20CrNiMoH, GB A50205, EN 1.6523, IS 20Ni2Cr2Mo2(-S), ISO 20NiCrMo2-2, JIS SNCM220, JIS SNCM220H, GOST 20ChGNM, KS SNCM220H, ASTM A304 Grade 8620H, ASTM A914 Grade 8620H, UNS H86200, UNS G86200, SAE 8620H, DIN 21NiCrMo2, DIN 1.6523, DIN 20NiCrMo2-2, AFNOR 20NCD2, AFNOR 20NiCrMo2-2, BS 805M20, BS 21NiCrMo2-2, UNI 20NiCrMo2-2, UNI 20NiCrMo2, SS 2506, UNE 20NiCrMo2, AISI 8620, AISI 8617H, AISI 8620H, AISI 8617, SAE 8620, SAE 8617H, SAE 8617, JIS SNCM220WCH, JIS SNCM220RCH, JIS 20NiCrMo2, EN 21NiCrMo2, ASTM 8620H, ASTM 8617H, ASTM 8620, UNS H86170, UNS G86170
EN 10084 Grade 20NiCrMo2-2 quenched (+Q) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.84 - 7.85 g/cm³ |
EN 10084 Grade 20NiCrMo2-2 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 20NiCrMo2-2 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 0.035 % |
EN 10084 Grade 20NiCrMo2-2 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 20NiCrMo2-2 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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