Introduction:
| Symbol | : | Cr |
|---|---|---|
| Atomic number | : | 24 |
| Melting point | : | 1,907 °C |
| Density (near r.t) | : | 7.19g/cm3 |
Chemical Composition:
| Cr | 99.50% |
| Si | 0.07% |
| C | 0.006% |
| Cu | 0.001% |
| Al | 0.02% |
| S | 0.009% |
| Fe | 0.14% |
| P | 0.003% |
| N | 0.025% |
Characteristics:
- Chromium is a steely-grey, lustrous, hard and brittle transition metal.
- Chromium is unstable in oxygen, it immediately produces a thin oxide layer that is impermeable to oxygen
- Chromium is a chemical element with the symbol Cr and atomic number 24.
- It is the first element in group 6.
- Chromium is the main additive in stainless steel, to which it adds anti-corrosive properties.
Applications:
- In metal ceramics
- In chrome plating
- As dyes and paints
- To produce synthetic rubies
- In metallurgy to provide corrosion resistance and a shiny finish