Explanation:

The amount of Carbon contains in Steel lies between 0.1% to 1.5%. Carbon is a chemical element with the symbol C and atomic number 6. It is nonmetallic and tetravalent—making four electrons available to form covalent chemical bonds. It belongs to group 14 of the periodic table. Graphite. Graphite, like diamond, is an allotrope of carbon. This means that they both come from the same element, carbon, but have different physical or chemical properties. Graphite is so soft that it will rub off if scratched. The pencils you use to write are made out of graphite.