Nucor Corporation is one of the leading American steel production groups. Products are sold to the automotive, household appliance, construction, mechanical, and similar sectors, etc. Net sales break down by activity as follows: - production of hot and cold rolled steels (66.2%): sheet metals (45.5% of sales), bars (29.8%), flat products (12.6%) and structural products (12.1%); - manufacturing of steel products (26.7%): fasteners, girders, beams, precision bands, concrete rounds, wire mesh, metal construction systems, etc.; - processing and transformation of steel and metal scrap (7.2%). The group is also involved in buying and selling iron alloys and non-ferrous metals.