EN 10132-4 Grade 56Si7 quenched and tempered (+QT)
EN 10132-4 Grade 56Si7 quenched and tempered (+QT) introduction
The steel 56Si7 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. It is used for leaf springs, among other things.
Equivalent material: IS 55Si7, IS 9, GOST 55S2, GOST 55S2A, GOST 55C2, GOST 55C2A, AISI 9255, UNS G92550, DIN 55Si7, DIN 1.5026, AFNOR 55S7, BS EN45, BS EN45 A, BS 250A53, BS 250A58, BS 250A61, AISI 9555, SAE 9555, EN 1.5026, GB 55Si2Mn
EN 10132-4 Grade 56Si7 quenched and tempered (+QT) general
| Property |
Temperature |
Value |
Comment |
| Density |
23.0 °C |
Density of 7.8 g/cm³ |
Typical for Steel |
EN 10132-4 Grade 56Si7 quenched and tempered (+QT) chemical
| Property |
Value |
| Carbon |
Carbon of 0.52 - 0.6 % |
| Chromium |
Chromium of 0.4 % |
| Manganese |
Manganese of 0.6 - 0.9 % |
| Molybdenum |
Molybdenum of 0.1 % |
| Nickel |
Nickel of 0.4 % |
| Phosphorus |
Phosphorus of 0.03 % |
| Silicon |
Silicon of 1.6 - 2 % |
| Sulfur |
Sulfur of 0.025 % |
EN 10132-4 Grade 56Si7 quenched and tempered (+QT) mechanical
| Property |
Temperature |
Value |
Comment |
| Elastic modulus |
23.0 °C |
Elastic modulus of 190 - 210 GPa |
Typical for Steel |
| Hardness, Rockwell C |
20.0 °C |
Hardness, Rockwell C of 38.5 - 50.5 [-] |
- |
| Hardness, Vickers |
20.0 °C |
Hardness, Vickers of 370 - 535 [-] |
- |
| Poisson's ratio |
23.0 °C |
Poisson's ratio of 0.3 [-] |
Typical for Steel |
| Tensile strength |
20.0 °C |
Tensile strength of 1200 - 1700 MPa |
- |
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