3311 Iron and Steel Mills and Ferroalloy Manufacturing
This industry group comprises establishments primarily engaged in one or more of the following manufacturing activities:
- direct reduction of iron ore;
- pig iron in molten or solid form;
- converting pig iron into steel;
- making steel;
- making steel and shapes (e.g., bar, plate, rod, sheet, strip, and wire); and
- making steel and forming pipe and tube.