BHP Steel is a flat product steel producer with operations in Australia, New Zealand, Asia and North America. It was "spun out" from BHP Billiton in 2002 and renamed BlueScope Steel from 17th November 2003. Its ASX code is BSL.

The company employs 12,000 personnel. It has its largest operating plant, an integrated steelworks, at Port Kembla, near Wollongong, New South Wales, Australia, with an annual production of 5 million tonnes of steel.

Major products include steel slab, hot rolled coil, automotive steel, galvanized steel, corrugated galvanised iron, ZINCALUME steel (55%Al-Zn coated steel), coil painted steel and tinplate.