ISO 4957 Grade X45NiCrMo4 quenched and tempered (+QT)
ISO 4957 Grade X45NiCrMo4 quenched and tempered (+QT) introduction
Properties:
- tool steel for hardening in oil and on air
- well polishable
- excelent toughness
- fail-safe against high pressures and bending
Application:
- synthetic resin dies, tools for embossing, dies of any kind
- high loaded knifes for shears for cutting scrap
Equivalent material: ISO 40NiCrMoV4, UNI 40NiCrMoV16KU, DIN 45NiCrMo16, DIN 1.2767, AFNOR 45NiCrMo16, BS 45NiCrMo16, AISI 6F3, SAE 6F3, JIS SKT6, EN 45NiCrMo16, EN 40NiCrMoV16, EN 1.2767, ISO 45NiCrMo16
ISO 4957 Grade X45NiCrMo4 quenched and tempered (+QT) general
| Property |
Temperature |
Value |
| Density |
20.0 °C |
Density of 7.86 g/cm³ |
ISO 4957 Grade X45NiCrMo4 quenched and tempered (+QT) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
100.0 °C |
Coefficient of thermal expansion of 1.15E-5 1/K |
- |
| - |
200.0 °C |
Coefficient of thermal expansion of 1.2E-5 1/K |
- |
| - |
300.0 °C |
Coefficient of thermal expansion of 1.24E-5 1/K |
- |
| - |
400.0 °C |
Coefficient of thermal expansion of 1.28E-5 1/K |
- |
| - |
500.0 °C |
Coefficient of thermal expansion of 1.31E-5 1/K |
- |
| - |
600.0 °C |
Coefficient of thermal expansion of 1.35E-5 1/K |
- |
| Melting point |
- |
Melting point of 1370 - 1425 °C |
Typical for Tool And Machining Steel |
| Specific heat capacity |
20.0 °C |
Specific heat capacity of 464 J/(kg·K) |
- |
| - |
100.0 °C |
Specific heat capacity of 479 J/(kg·K) |
- |
| - |
200.0 °C |
Specific heat capacity of 496 J/(kg·K) |
- |
| - |
300.0 °C |
Specific heat capacity of 513 J/(kg·K) |
- |
| - |
400.0 °C |
Specific heat capacity of 532 J/(kg·K) |
- |
| Thermal conductivity |
20.0 °C |
Thermal conductivity of 32.9 W/(m·K) |
- |
| - |
100.0 °C |
Thermal conductivity of 34.2 W/(m·K) |
- |
| - |
200.0 °C |
Thermal conductivity of 34.8 W/(m·K) |
- |
| - |
300.0 °C |
Thermal conductivity of 34.4 W/(m·K) |
- |
| - |
400.0 °C |
Thermal conductivity of 33.3 W/(m·K) |
- |
| Thermal diffusivity |
20.0 °C |
Thermal diffusivity of 9 mm²/s |
- |
| - |
100.0 °C |
Thermal diffusivity of 8.8 mm²/s |
- |
| - |
200.0 °C |
Thermal diffusivity of 8.5 mm²/s |
- |
| - |
300.0 °C |
Thermal diffusivity of 7.8 mm²/s |
- |
| - |
400.0 °C |
Thermal diffusivity of 7.1 mm²/s |
- |
ISO 4957 Grade X45NiCrMo4 quenched and tempered (+QT) chemical
| Property |
Value |
| Carbon |
Carbon of 0.4 - 0.5 % |
| Chromium |
Chromium of 1.2 - 1.5 % |
| Manganese |
Manganese of 0.15 - 0.45 % |
| Molybdenum |
Molybdenum of 0.15 - 0.35 % |
| Nickel |
Nickel of 3.8 - 4.3 % |
| Phosphorus |
Phosphorus of 0.03 % |
| Silicon |
Silicon of 0.1 - 0.4 % |
| Sulfur |
Sulfur of 0.03 % |
| Tungsten |
Tungsten of 0.4 - 0.6 % |
ISO 4957 Grade X45NiCrMo4 quenched and tempered (+QT) electrical
| Property |
Temperature |
Value |
| Electrical resistivity |
20.0 °C |
Electrical resistivity of 3.17E-7 Ω·m |
| - |
100.0 °C |
Electrical resistivity of 3.74E-7 Ω·m |
| - |
200.0 °C |
Electrical resistivity of 4.54E-7 Ω·m |
| - |
300.0 °C |
Electrical resistivity of 5.46E-7 Ω·m |
| - |
400.0 °C |
Electrical resistivity of 6.53E-7 Ω·m |
ISO 4957 Grade X45NiCrMo4 quenched and tempered (+QT) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
20.0 °C |
Elastic modulus of 207 GPa |
- |
| - |
100.0 °C |
Elastic modulus of 203 GPa |
- |
| - |
200.0 °C |
Elastic modulus of 197 GPa |
- |
| - |
300.0 °C |
Elastic modulus of 189 GPa |
- |
| - |
400.0 °C |
Elastic modulus of 181 GPa |
- |
| - |
500.0 °C |
Elastic modulus of 172 GPa |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.3 [-] |
Typical for Tool And Machining Steel |
| Shear modulus |
23.0 °C |
Shear modulus of 79 GPa |
Typical for Tool And Machining Steel |
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