* Iron ore is found in nature in the form of rocks, mixed with other elements. By means of various industrial processes incorporating cutting-edge technology, iron ore is processed and then sold to steel companies. The primary use of iron ore (98%) is to make steel. The remaining 2% is used in various other applications, such as: powdered iron for certain types of steels, magnets, auto parts and catalysts. radioactive iron (iron 59) for medicine and as a tracer element in biochemical and metallurgical research 5.5 -6 mm 8 mm 10 mm 12 mm 16 mm 20 mm 25 mm 32 mm 36 mm 40 mm 50 mm
