ISO 4957 Grade C45W soft annealed (+A)
ISO 4957 Grade C45W soft annealed (+A) introduction
Water hardenable carbon tool steel with good wear resistance and high impact hardness.
Application: blanking tools, punches, shear knifes, leather knifes, wood machining tools, bed plates, chisel, die plates, agriculture tools
Equivalent material: CSN 19083, AFNOR Y348, MSZ S45, DIN C45U, DIN 1.1730, AFNOR C45U, AFNOR C42E4U, AFNOR 48E4U, AFNOR Y342, BS C45U, EN C45U, EN 1.1730, ISO C45U
ISO 4957 Grade C45W soft annealed (+A) general
Property |
Temperature |
Value |
Density |
20.0 °C |
Density of 7.8 g/cm³ |
ISO 4957 Grade C45W soft annealed (+A) thermal
Property |
Temperature |
Value |
Comment |
Coefficient of thermal expansion |
-100.0 °C |
Coefficient of thermal expansion of 1.08E-5 1/K |
- |
- |
20.0 °C |
Coefficient of thermal expansion of 1.19E-5 1/K |
- |
- |
100.0 °C |
Coefficient of thermal expansion of 1.25E-5 1/K |
- |
- |
200.0 °C |
Coefficient of thermal expansion of 1.3E-5 1/K |
- |
- |
300.0 °C |
Coefficient of thermal expansion of 1.36E-5 1/K |
- |
- |
400.0 °C |
Coefficient of thermal expansion of 1.41E-5 1/K |
- |
- |
500.0 °C |
Coefficient of thermal expansion of 1.45E-5 1/K |
- |
- |
600.0 °C |
Coefficient of thermal expansion of 1.49E-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 41.7 W/(m·K) |
- |
- |
100.0 °C |
Thermal conductivity of 43.4 W/(m·K) |
- |
- |
200.0 °C |
Thermal conductivity of 43.2 W/(m·K) |
- |
- |
300.0 °C |
Thermal conductivity of 41.4 W/(m·K) |
- |
- |
400.0 °C |
Thermal conductivity of 39.1 W/(m·K) |
- |
- |
500.0 °C |
Thermal conductivity of 36.7 W/(m·K) |
- |
- |
600.0 °C |
Thermal conductivity of 34.1 W/(m·K) |
- |
Thermal diffusivity |
20.0 °C |
Thermal diffusivity of 11.6 mm²/s |
- |
- |
100.0 °C |
Thermal diffusivity of 11.3 mm²/s |
- |
- |
200.0 °C |
Thermal diffusivity of 10.5 mm²/s |
- |
- |
300.0 °C |
Thermal diffusivity of 9.5 mm²/s |
- |
- |
400.0 °C |
Thermal diffusivity of 8.3 mm²/s |
- |
- |
500.0 °C |
Thermal diffusivity of 7.1 mm²/s |
- |
- |
600.0 °C |
Thermal diffusivity of 5.8 mm²/s |
- |
ISO 4957 Grade C45W soft annealed (+A) chemical
Property |
Value |
Carbon |
Carbon of 0.4 - 0.5 % |
Manganese |
Manganese of 0.6 - 0.8 % |
Phosphorus |
Phosphorus of 0.04 % |
Silicon |
Silicon of 0.15 - 0.4 % |
Sulfur |
Sulfur of 0.035 % |
ISO 4957 Grade C45W soft annealed (+A) electrical
Property |
Temperature |
Value |
Electrical resistivity |
20.0 °C |
Electrical resistivity of 2.5E-7 Ω·m |
- |
100.0 °C |
Electrical resistivity of 2.95E-7 Ω·m |
- |
200.0 °C |
Electrical resistivity of 3.65E-7 Ω·m |
- |
300.0 °C |
Electrical resistivity of 4.53E-7 Ω·m |
- |
400.0 °C |
Electrical resistivity of 5.56E-7 Ω·m |
- |
500.0 °C |
Electrical resistivity of 6.74E-7 Ω·m |
- |
600.0 °C |
Electrical resistivity of 8.13E-7 Ω·m |
ISO 4957 Grade C45W soft annealed (+A) 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 |
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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