Companhia Sider�rgica Nacional (CSN) primarily operates as an integrated steel producer in Brazil. It produces a line of steel products, including slabs, which are semifinished products used for processing hot-rolled, cold-rolled, or coated coils and sheet products; hot-rolled products comprising heavy-gauge hot-rolled coils and sheets, and light-gauge hot-rolled coils and sheets; cold-rolled products, including cold-rolled coils and sheets; and galvanized products consisting of flat-rolled stee ...