EN 10277-5 Grade Cm60 – High-Strength Cold-Drawn Steel for Automotive & Engineering Applications
Steel Cm 60 is suitable for high strained parts in vehicle manufacturing, engine and machine engineering that require an enhanced workability while maintaining strength qualities (e.g. gear wheels, pinion, shafts). Lowest application temp. -25 °C.
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.85 g/cm³ |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 20.0 °C | 210 GPa | |
100.0 °C | 205 GPa | ||
200.0 °C | 195 GPa | ||
300.0 °C | 185 GPa | ||
400.0 °C | 175 GPa | ||
Elongation | 20.0 °C | 11 - 14 % | |
Poisson's ratio | 23.0 °C | 0.29 [-] | Typical for High Carbon Steel |
Reduction of area | 20.0 °C | 25 - 35 % | |
Shear modulus | 20.0 °C | 81 GPa | |
Tensile strength | 20.0 °C | 750 - 1000 MPa | |
Yield strength | 20.0 °C | 450 - 580 MPa | |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 100.0 °C | 1.11E-5 1/K | |
200.0 °C | 1.21E-5 1/K | ||
300.0 °C | 1.29E-5 1/K | ||
400.0 °C | 1.35E-5 1/K | ||
Max service temperature | 500 °C | Typical for Carbon Steel | |
Max service temperature, long | -25 - 0 °C | ||
Melting point | 1289 - 1478 °C | Typical for High Carbon Steel | |
Specific heat capacity | 23.0 °C | 486 J/(kg·K) | Typical for High Carbon Steel |
Thermal conductivity | 20.0 °C | 51 W/(m·K) | |
100.0 °C | 49.9 W/(m·K) | ||
200.0 °C | 47.8 W/(m·K) | ||
300.0 °C | 44.8 W/(m·K) | ||
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 20.0 °C | 1.3E-7 Ω·m |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.57 - 0.65 % |
Manganese | 0.6 - 0.9 % |
Phosphorus | 0.04 % |
Silicon | 0.4 % |
Sulfur | 0.02 - 0.035 % |
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