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Company Description

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One Fetter Lane

London, EC4A 1BR

United Kingdom

Phone: 44 80 0975 8080


Ferroglobe PLC produces silicon metal and silicon and manganese-based alloy, for customers in the specialty chemical, aluminum, solar, steel and ductile iron foundry industries in North America and Europe. The company is a subsidiary of Grupo Villar Mir, S.A.U. Segments The company operates in two segments, Electrometallurgy and Energy. Electrometallurgy segment This segment includes the production of silicon metal, manganese-based alloys (silicomanganese and ferromanganese), ferrosilicon, other silicon-based alloys (such as silico-calcium and foundry products) and silica fume, and Ferroglobe’s quartz and metallurgical coal mining operations, which provide key raw materials for manufacturing electrometallurgical products. The company produces silicon metal based on production capacity, with a total production capacity of approximately 420,000 tons per annum in various facilities in the U.S., France, South Africa, Spain and China. Silicon metal is used by primary and secondary aluminum producers, who require silicon metal with certain requirements to produce aluminum alloys. The addition of silicon metal reduces shrinkage and the hot cracking tendencies of cast aluminum and improves the castability, hardness, corrosion resistance, tensile strength, wear resistance and weldability of the aluminum end products. Aluminum is used to manufacture various automotive components, including engine pistons, housings, and cast aluminum wheels and trim, as well as high tension electrical wire, aircraft parts, beverage containers and other products which require aluminum properties. Silicon metal is also used by various major silicone chemical producers. Silicone chemicals are used in a range of applications, including personal care items, construction-related products, health care products and electronics. In construction and equipment applications, silicone chemicals promote adhesion, act as a sealer and have insulating properties. In personal care and health care products, silicone chemicals add a smooth texture, protect against ultraviolet rays and provide moisturizing and cleansing properties. In addition, silicon metal is the core material needed for the production of polysilicon, which is used to manufacture solar cells and semiconductors. Producers of polysilicon employ processes to further purify the silicon metal and then use the material to grow ingots and then cut wafers. These wafers are the base material to produce solar cells, which are capable of converting sunlight to electricity. The individual solar cells are then soldered together to make solar modules. Manganese-Based Alloys With 229,500 tons of annual silicomangese (SiMn) production capacity and 194,000 tons of annual ferromanganese (FeMn) production capacity in its factories in Spain and Venezuela, the company is among the global manganese-based alloys producers based on production capacity. Ferroglobe produces two types of manganese alloys, silicomanganese (SiMn) and ferromanganese (FeMn). Silicomanganese is used as deoxidizing agent in the steel manufacturing process. Silicomanganese is also produced in the form of refined silicomanganese (SiMn AF), and super-refined silicomanganese (SiMn LC). Ferromanganese is used as a deoxidizing, desulphurizing and degassing agent in steel to remove nitrogen and other harmful elements that are present in steel in the initial smelting process, and to improve the mechanical properties, hardenability and resistance to abrasion of steel. Ferrosilicon During the 12 months ended December 31, 2015, the company sold 165,306 tons of ferrosilicon and had 253,500 tons of annual ferrosilicon production capacity. Ferrosilicon is an alloy of iron and silicon (approximately 75% silicon). Ferrosilicon products are used to produce stainless steel, carbon steel, and various other steel alloys and to manufacture electrodes and, to a lesser extent, in the production of aluminum. Approximately 65% of ferrosilicon produced is used in steel production. Ferrosilicon is generally used to remove oxygen from the steel and as alloying element to improve the quality and strength of iron and steel products.


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