EN 10089 Grade 46Si7 quenched and tempered (+QT)
EN 10089 Grade 46Si7 quenched and tempered (+QT) introduction
The steel 46Si7 is used for hot formed springs, like leaf springs, diaphragm springs, coil springs and spiral springs for the mechanical engineering.
Equivalent material: ISO 46Si7, AISI 9250, DIN 1.5024, AFNOR 45S7, BS 250A53, SAE 9250, EN 1.5024
EN 10089 Grade 46Si7 quenched and tempered (+QT) general
| Property |
Temperature |
Value |
Comment |
| Density |
23.0 °C |
Density of 7.8 g/cm³ |
Typical for Steel |
EN 10089 Grade 46Si7 quenched and tempered (+QT) chemical
| Property |
Value |
| Carbon |
Carbon of 0.42 - 0.5 % |
| Manganese |
Manganese of 0.5 - 0.8 % |
| Phosphorus |
Phosphorus of 0.03 % |
| Silicon |
Silicon of 1.5 - 2 % |
| Sulfur |
Sulfur of 0.025 % |
EN 10089 Grade 46Si7 quenched and tempered (+QT) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
100.0 °C |
Elastic modulus of 206 GPa |
- |
| - |
200.0 °C |
Elastic modulus of 195 GPa |
- |
| - |
300.0 °C |
Elastic modulus of 185 GPa |
- |
| Elongation |
20.0 °C |
Elongation of 7 % |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.3 [-] |
Typical for Steel |
| Reduction of area |
20.0 °C |
Reduction of area of 30 % |
- |
| Tensile strength |
20.0 °C |
Tensile strength of 1400 - 1700 MPa |
- |
| Yield strength Rp0.2 |
20.0 °C |
Yield strength Rp0.2 of 1250 MPa |
- |
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