High-Strength 35S20 DIN 1651 Steel: Turning, Quenching, and Tempering for Automotive & Tooling Applications
The fully killed machining steel 35 S 20 is used for mass parts of mean strength, especially for lower toughness demands cross-sectional. It has advantages regarding a higher cutting speed. Application in the automotive engineering, toolbuilding, apparatus engineering (screws, nuts, smal parts).
Properties
General
| Property | Temperature | Value |
|---|---|---|
Density | 20.0 °C | 7.8 - 7.85 g/cm³ |
Mechanical
| Property | Temperature | Value |
|---|---|---|
Elastic modulus | -100.0 °C | 217 GPa |
20.0 °C | 210 - 212 GPa | |
100.0 °C | 207 GPa | |
200.0 °C | 193 - 199 GPa | |
300.0 °C | 185 - 192 GPa | |
400.0 °C | 175 - 184 GPa | |
500.0 °C | 175 GPa | |
600.0 °C | 164 GPa | |
Elongation | 20.0 °C | 13 - 17 % |
Poisson's ratio | 20.0 °C | 0.28 [-] |
Shear modulus | 20.0 °C | 81 GPa |
Tensile strength | 20.0 °C | 540 - 760 MPa |
Yield strength | 20.0 °C | 325 - 420 MPa |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | -100.0 °C | 1.08E-5 1/K | |
20.0 °C | 1.19E-5 1/K | ||
100.0 °C | 1.1E-5 - 1.25E-5 1/K | ||
200.0 °C | 1.18E-5 - 1.3E-5 1/K | ||
300.0 °C | 1.36E-5 1/K | ||
400.0 °C | 1.32E-5 - 1.41E-5 1/K | ||
500.0 °C | 1.45E-5 1/K | ||
600.0 °C | 1.49E-5 1/K | ||
Max service temperature | 500 °C | Typical for Carbon Steel | |
Melting point | 1380 - 1514 °C | Typical for Medium Carbon Steel | |
Specific heat capacity | -100.0 °C | 423 J/(kg·K) | |
20.0 °C | 420 - 461 J/(kg·K) | ||
100.0 °C | 479 - 490 J/(kg·K) | ||
200.0 °C | 499 - 530 J/(kg·K) | ||
300.0 °C | 517 J/(kg·K) | ||
400.0 °C | 536 - 610 J/(kg·K) | ||
500.0 °C | 558 J/(kg·K) | ||
600.0 °C | 587 J/(kg·K) | ||
Thermal conductivity | 20.0 °C | 44.9 - 49 W/(m·K) | |
100.0 °C | 46.2 W/(m·K) | ||
200.0 °C | 45.5 W/(m·K) | ||
300.0 °C | 43.1 W/(m·K) | ||
400.0 °C | 40.4 W/(m·K) | ||
500.0 °C | 37.7 W/(m·K) | ||
600.0 °C | 34.9 W/(m·K) | ||
Thermal diffusivity | 20.0 °C | 12.5 mm²/s | |
100.0 °C | 12 mm²/s | ||
200.0 °C | 11 mm²/s | ||
300.0 °C | 9.8 mm²/s | ||
400.0 °C | 8.6 mm²/s | ||
500.0 °C | 7.3 mm²/s | ||
600.0 °C | 5.9 mm²/s | ||
Electrical
| Property | Temperature | Value |
|---|---|---|
Electrical resistivity | 20.0 °C | 1.2E-7 - 2.32E-7 Ω·m |
100.0 °C | 2.77E-7 Ω·m | |
200.0 °C | 3.47E-7 Ω·m | |
300.0 °C | 4.35E-7 Ω·m | |
400.0 °C | 5.38E-7 Ω·m | |
500.0 °C | 6.56E-7 Ω·m | |
600.0 °C | 7.95E-7 Ω·m | |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.32 - 0.39 % |
Manganese | 0.7 - 1.1 % |
Phosphorus | 0.06 % |
Silicon | 0.1 - 0.3 % |
Sulfur | 0.18 - 0.25 % |
Metal
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