ISO 683-4 Grade 10SPb20 Untreated: High-Performance Free-Cutting Steel
Free-cutting steel 10SPb20, suitable for case-hardening, has permanent properties of the cross-section and within the melt as well as enhanced machinability by Pb and S-addition. Application for thin-walled, case-hardened parts in car industry, in apparatus, equipment and machine engineering.
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 | |
200.0 °C | 193 GPa | ||
300.0 °C | 185 GPa | ||
400.0 °C | 175 GPa | ||
Hardness, Brinell | 20.0 °C | 105 - 156 [-] | |
Poisson's ratio | 23.0 °C | 0.29 [-] | Typical for Low Carbon Steel |
Shear modulus | 20.0 °C | 81 GPa | |
Tensile strength | 20.0 °C | 350 - 530 MPa | |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 100.0 °C | 1.1E-5 1/K | |
200.0 °C | 1.18E-5 1/K | ||
400.0 °C | 1.32E-5 1/K | ||
Max service temperature | 500 °C | Typical for Carbon Steel | |
Melting point | 1480 - 1526 °C | Typical for Low Carbon Steel | |
Specific heat capacity | 20.0 °C | 460 J/(kg·K) | |
100.0 °C | 480 J/(kg·K) | ||
200.0 °C | 520 J/(kg·K) | ||
400.0 °C | 600 J/(kg·K) | ||
Thermal conductivity | 20.0 °C | 52.4 W/(m·K) | |
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 20.0 °C | 1.1E-7 Ω·m |
Magnetic
| Property | Value | Comment |
|---|---|---|
Curie temperature | 770 °C | Typical for Low Carbon Steel |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.07 - 0.13 % |
Lead | 0.2 - 0.35 % |
Manganese | 0.7 - 1.1 % |
Phosphorus | 0.06 % |
Silicon | 0.4 % |
Sulfur | 0.15 - 0.25 % |
Metal
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