Washington Mills Hennepin, Inc. is a global leader in manufacturing metallurgical grade silicon carbide for use in the iron and steel melting industry. Washington Mills produces a special grade of silicon carbide called CARBOLON MA that is processed for use in the iron and steel industry, and has become the melting industry's SiC of choice. The Washington Mills metallurgical group is composed of experienced metallurgists who are prepared to assist foundry and steel customers in all areas of melt and metallurgy.
CARBOLON MA is used for the electric furnace production of gray, ductile or malleable iron and steel. It is a prime source of silicon and carbon, imparting metallurgical benefits to the metal and enhancing furnace lining life due to its powerful deoxidizing effect. CARBOLON MA is used as a solid fuel to adjust temperature and chemistry in the steel making process. It can also be used to reduce metal from metal oxides in slag, therefore improving recoveries of valuable elements such as manganese and chromium. CARBOLON MA's inert content yields slags with a melting point and consistency that allow for efficient slag removal from the furnace. The use of SiC in the production of carbon and alloy steels continues to expand as a result of its significant cost savings potential as a slag reductant, supplemental energy source, and as a replacement for ferrosilicon.
Washington Mills metallurgical SiC is produced at a state-of-the-art silicon carbide furnace plant in Hennepin, IL. The Hennepin, IL plant is the only silicon carbide manufacturing plant in North America. The company's investment in a sulfur gas removal process makes Washington Mills one of the most sophisticated and environmentally clean silicon carbide operations in the world.
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