Nucor Corporation manufactures and sells steel and steel products. The company's Steel Mills segment produces hot-rolled, cold-rolled, and galvanized sheet steel products; plate steel products; wide-flange beams, beam blanks, and H-piling and sheet piling products; and bar steel products, such as blooms, billets, concrete reinforcing and merchant bars, and special bar quality products. It also engages in the steel trading and rebar distribution businesses.