ISO 4957 Grade 90MnCrV8 quenched (+Q)
ISO 4957 Grade 90MnCrV8 quenched (+Q) introduction
Properties:
- good dimensional stability
- good toughness
Application:
- cutting and stamping tools for sheets upt to a thickness of 6 mm
- small shears for paper and plastics industry
- thread tapper
- measurements tools and gauges
- cold chamfering tools
- dies for plastics
Equivalent material: CSN 19313, AFNOR 90MV8, BS BO2, ISO 90MnV2, UNI 90MnVCr8KU, PN MNV, STAS 90VCrMn20, MSZ M1, SAE O2, DIN 90MnV8, DIN 1.2842, AFNOR 90MnCrV8, BS 90MnCrV8, UNI 88MnV8KU, AISI O2, EN 90MnCrV8, EN 90MnV8, EN 1.2842, ISO 90MnCrV8, GOST 9G2F, GB/T 9Mn2V, GB/T T20000, ASTM Type O2, UNS T31502
ISO 4957 Grade 90MnCrV8 quenched (+Q) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.85 g/cm³ |
ISO 4957 Grade 90MnCrV8 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 1.21E-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 1370 - 1425 °C |
Typical for Tool And Machining Steel |
| Specific heat capacity |
-100.0 °C |
Specific heat capacity of 423 J/(kg·K) |
- |
| - |
20.0 °C |
Specific heat capacity of 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 45.9 W/(m·K) |
- |
| - |
100.0 °C |
Thermal conductivity of 46.4 W/(m·K) |
- |
| - |
200.0 °C |
Thermal conductivity of 45.6 W/(m·K) |
- |
| - |
300.0 °C |
Thermal conductivity of 43.5 W/(m·K) |
- |
| - |
400.0 °C |
Thermal conductivity of 40.9 W/(m·K) |
- |
| - |
500.0 °C |
Thermal conductivity of 38.2 W/(m·K) |
- |
| - |
600.0 °C |
Thermal conductivity of 35.5 W/(m·K) |
- |
| Thermal diffusivity |
20.0 °C |
Thermal diffusivity of 12.7 mm²/s |
- |
| - |
100.0 °C |
Thermal diffusivity of 12 mm²/s |
- |
| - |
200.0 °C |
Thermal diffusivity of 11 mm²/s |
- |
| - |
300.0 °C |
Thermal diffusivity of 9.9 mm²/s |
- |
| - |
400.0 °C |
Thermal diffusivity of 8.7 mm²/s |
- |
| - |
500.0 °C |
Thermal diffusivity of 7.3 mm²/s |
- |
| - |
600.0 °C |
Thermal diffusivity of 6 mm²/s |
- |
ISO 4957 Grade 90MnCrV8 quenched (+Q) chemical
| Property |
Value |
| Carbon |
Carbon of 0.85 - 0.95 % |
| Chromium |
Chromium of 0.2 - 0.5 % |
| Manganese |
Manganese of 1.9 - 2.1 % |
| Phosphorus |
Phosphorus of 0.03 % |
| Silicon |
Silicon of 0.1 - 0.4 % |
| Sulfur |
Sulfur of 0.03 % |
| Vanadium |
Vanadium of 0.05 - 0.15 % |
ISO 4957 Grade 90MnCrV8 quenched (+Q) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 2.27E-7 Ω·m |
| - |
100.0 °C |
Electrical resistivity of 2.76E-7 Ω·m |
| - |
200.0 °C |
Electrical resistivity of 3.46E-7 Ω·m |
| - |
300.0 °C |
Electrical resistivity of 4.31E-7 Ω·m |
| - |
400.0 °C |
Electrical resistivity of 5.32E-7 Ω·m |
| - |
500.0 °C |
Electrical resistivity of 6.48E-7 Ω·m |
| - |
600.0 °C |
Electrical resistivity of 7.81E-7 Ω·m |
ISO 4957 Grade 90MnCrV8 quenched (+Q) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
-100.0 °C |
Elastic modulus of 217 GPa |
- |
| - |
20.0 °C |
Elastic modulus of 212 GPa |
- |
| - |
100.0 °C |
Elastic modulus of 207 GPa |
- |
| - |
200.0 °C |
Elastic modulus of 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 |
20.0 °C |
Poisson's ratio of 0.28 [-] |
- |
| Shear modulus |
23.0 °C |
Shear modulus of 79 GPa |
Typical for Tool And Machining Steel |
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