Silicon Carbide Heating Element Application It can be widely used in various heat treatment electric furnaces, metallurgy, non-ferrous metal smelting, power, steel plant slag trenches, coal chemical industry, mining, transportation pipelines, etc. Suitable for industrial furnaces such as metallurgical sintering furnaces, medium frequency heating forging furnaces, tunnel kilns, shuttle kilns, as well as kilns in the sanitary ceramics and electric ceramics industries.