24 July 2021 Spring Steel Wire
54SiCr6 Spring Steel Bar
54SiCr6(DIN) is added Si-Cr to enhance after heat treatment performance spring steel. Used for strained springs for cars and railway carriages and for surfaces requiring abrasion resistance. High strength, hardness and wear abrasion resistance. Low machinability, workability and weldability.
Chemical Composition:
| C(％) | Si(％) | Mn(％) | P(％) | S(％) | Cr(％) | Ni(％) | Cu(%) |
|---|---|---|---|---|---|---|---|
| 0.51-0.59 | 1.20-1.60 | 0.50-0.80 | ≤0.03 | ≤0.03 | 0.50-0.80 | - | - |
Mechanical Properties:
| Yield Rp0.2 (MPa) | Tensile Rm (MPa) | Impact KV/Ku (J) | Elongation A (%) | Reduction of area ψ (%): | hardness (HB) |
|---|---|---|---|---|---|
| ≥1300 | 1450-2050 | Min.8 | ≥ 6 | ≥ 25 | Max. 280 |
Physical Properties:
| Temperature (°C) | Modulus of elasticity (GPa) | Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and | Thermal conductivity (W/m·°C) | Specific thermal capacity (J/kg·°C) | Specific electrical resistivity (Ω mm²/m) | Density (kg/dm³) | Poisson’s coefficient, ν |
|---|---|---|---|---|---|---|---|
| 22 | - | - | 0.21 | - | |||
| 866 | 524 | - | 24.3 | 411 | - | ||
| 485 | - | 14 | 33.2 | 412 | 313 |
54SiCr6 Technical Data Sheet PDF .