EN 10132-4 Grade C125S cold rolled (+CR)
EN 10132-4 Grade C125S cold rolled (+CR) introduction
The steel C125S is used as cold rolled strip for springs and special applications in thicknesses of up to 6 mm and as tempered cold strip in thicknesses from 0.30 to 3.00 mm. The springs made of steel C125S are suitable for highly stressed tension springs, especially in the watch industry, as well as for pen nibs.
Equivalent material: DIN 1.1224, EN 1.1224
EN 10132-4 Grade C125S cold rolled (+CR) general
| Property |
Temperature |
Value |
Comment |
| Density |
23.0 °C |
Density of 7.8 - 7.9 g/cm³ |
Typical for Low Carbon Steel |
EN 10132-4 Grade C125S cold rolled (+CR) thermal
| Property |
Temperature |
Value |
Comment |
| Coefficient of thermal expansion |
23.0 °C |
Coefficient of thermal expansion of 1.32E-5 - 1.38E-5 1/K |
Typical for Low Carbon Steel |
| Max service temperature |
- |
Max service temperature of 500 °C |
Typical for Carbon Steel |
| Melting point |
- |
Melting point of 1480 - 1526 °C |
Typical for Low Carbon Steel |
| Specific heat capacity |
23.0 °C |
Specific heat capacity of 465 J/(kg·K) |
Typical for Low Carbon Steel |
| Thermal conductivity |
23.0 °C |
Thermal conductivity of 25 - 93 W/(m·K) |
Typical for Low Carbon Steel |
EN 10132-4 Grade C125S cold rolled (+CR) chemical
| Property |
Value |
| Carbon |
Carbon of 1.2 - 1.3 % |
| Chromium |
Chromium of 0.4 % |
| Manganese |
Manganese of 0.3 - 0.6 % |
| Molybdenum |
Molybdenum of 0.1 % |
| Nickel |
Nickel of 0.4 % |
| Phosphorus |
Phosphorus of 0.03 % |
| Silicon |
Silicon of 0.15 - 0.35 % |
| Sulfur |
Sulfur of 0.025 % |
EN 10132-4 Grade C125S cold rolled (+CR) magnetic
| Property |
Value |
Comment |
| Curie temperature |
Curie temperature of 770 °C |
Typical for Low Carbon Steel |
EN 10132-4 Grade C125S cold rolled (+CR) electrical
| Property |
Temperature |
Value |
Comment |
| Electrical resistivity |
23.0 °C |
Electrical resistivity of 1.43E-7 - 1.74E-7 Ω·m |
Typical for Carbon Steel |
EN 10132-4 Grade C125S cold rolled (+CR) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
23.0 °C |
Elastic modulus of 200 - 215 GPa |
Typical for Low Carbon Steel |
| Hardness, Vickers |
20.0 °C |
Hardness, Vickers of 325 [-] |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.29 [-] |
Typical for Low Carbon Steel |
| Shear modulus |
23.0 °C |
Shear modulus of 82 GPa |
Typical for Low Carbon Steel |
| Tensile strength |
20.0 °C |
Tensile strength of 1200 MPa |
- |
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