Properties And Benefits Of Chromium
Chromium element used especially in chrome plating process has been used in the industrial field only after the 20th century. When you keep reading this article, you will understand what we mean. The symbol of the element chromium is “Cr”. The atomic weight is 52, the atomic number is 24. The most important feature of this element in the industrial sector is that its melting point reaches up to 1890°C, while the boiling point reaches up to 2500°C degrees.
Chromium is located in area IV B of the periodic table, and the first to discover chromium was a French chemist named Vauquelin. He found it in a lead ore during his research in Siberia in 1797. Chromium is among the first crystallized elements in the formation of the Earth. It is found in crystal form in places such as stone and rock and after processing it is delivered to the production facilities as powder or liquid.
Chromium can take the valences of +2, +3, +4, +5, +6 and +7. Due to the different color of each compound, it is used in hard chrome plating on steel or metal and also used in a wide range of paints. While chromium +2 compound is blue, CR +3 is green, Cr +6 and +7 can be yellow, red, and orange. They are used to give color to the paint with the necessary solutions.
Chromium is an element hidden in soil, among stones and in rocks, and is not found in a pure way. It is in a compound state with other natural elements. After the necessary procedures, it is purified and sold to the market. Chromium element in nature is found in the form of chromite and its formula is FeOCr2Os3.
Chromium (CR) Areas of Usage
- Metal Industry (Stainless steel products, resistance to corrosion, hard strength)
- To provide the necessary reactions in the field of chemistry and to produce a new formula (coloring the dye, etc.)
It is an alloy of iron and chromium plating that should be used for production in the metal industry, and in order to be able to use it, it needs to have 48 to 49 percent Cr203 chromium oxide in this alloy. In order to form Cr mixtures i.e. alloys, sometimes the Cr element must be introduced into oxidation and reduction reactions. Let’s write a reaction with you:
Cr2O3 + 2Al → 2Cr + Al2O3
2Cr2O3 + 3Si → 4Cr + 3SiO2
It is a very important element for firms because of its properties in industrial solutions
Reasons to Use in Production