Greenearth Chemicals is a leading organic & inorganic chemicals manufacturing company in Shanghai, China that offers carbide chemicals, alloys, nitride chemicals, rare earth chemicals, high purity powders and metals, electronic chemicals, catalyst, noble metal and speciality chemicals for wide range of industries including pharmaceutical, electronics, metallurgy, paper making, plastic, welding, rubber etc. Carbides are combinations of special metals and carbon to form very hard materials greater than that of hardened steel. They are therefore used in applications requiring extreme strength such as machine tool bits, drilling and mining operations. The mechanical properties of carbides are determined in terms of Hardness at varying temperatures, Hardness measured at room temperatures, Co..