NAICS 331111 - Iron and Steel Mills
This U.S. industry comprises establishments primarily engaged in one or more of the following: (1) direct reduction of iron ore; (2) manufacturing pig iron in molten or solid form; (3) converting pig iron into steel; (4) making steel; (5) making steel and manufacturing shapes (e.g., bar, plate, rod, sheet, strip, wire); and (6) making steel and forming tube and pipe.
Industry trends:
Iron and steel mills, defined under NAICS 331111, have been experiencing several qualitative trends that are likely to shape the industry's landscape in the near future. One notable trend is the increasing emphasis on sustainability and environmentally-friendly practices. Companies are investing in technologies that reduce carbon emissions and enhance energy efficiency, driven by stringent regulatory requirements and growing consumer demand for green products.
Another trend is digital transformation. Mills are adopting advanced technologies such as artificial intelligence, Internet of Things (IoT), and automation to improve operational efficiency and reduce costs. These technologies enable predictive maintenance, optimize production processes, and improve supply chain logistics.
Workforce modernization is also a key trend, with firms focusing on upskilling employees to handle new technologies and processes. This shift is critical as older facilities may face challenges in attracting younger talent skilled in modern digital tools.
Looking forward, the industry is expected to see moderate growth, driven by increased infrastructure spending and robust demand from key sectors like automotive and construction. However, fluctuating raw material prices and trade policies could pose challenges. Innovating to meet new standards and consumer expectations will be crucial for staying competitive in this evolving market.
This industry is comprised of:
Armor plate made in iron and steel mills
Axles, rolled or forged, made in iron and steel mills
Balls, steel, made in iron and steel mills
Bars, concrete reinforcing (rebar) made in steel mills
Bars, iron, made in iron and steel mills
Bars, steel, made in iron and steel mills
Billets, steel, made in iron and steel mills
Blackplate made in iron and steel mills
Blast furnaces
Blooms, steel, made in iron and steel mills
Car wheels, rolled steel, made in iron and steel mills
Coke oven products made in iron and steel mills
Concrete reinforcing bar (rebar) made in iron and steel mills
Direct reduction of iron ore
Electrometallurgical steel manufacturing
Fence posts, iron or steel, made in iron and steel mills
Flakes, iron or steel, made in iron and steel mills
Flats, iron or steel, made in iron and steel mills
Forgings, iron or steel, made in iron and steel mills
Frogs, iron or steel, made in iron and steel mills
Galvanizing metals and metal formed products made in iron and steel mills
Gun forgings made in iron and steel mills
Hoops made in iron and steel mills
Hoops, galvanized, made in iron and steel mills
Hot-rolling iron or steel products in iron and steel mills
Ingot made in iron and steel mills
Iron ore recovery from open hearth slag
Iron sinter made in iron and steel mills
Iron, pig, manufacturing
Mesh, wire, made in iron and steel mills
Mini-mills, steel
Nut rods, iron or steel, made in iron and steel mills
Paste, iron or steel, made in iron and steel mills
Pig iron manufacturing
Pilings, iron or steel plain sheet, made in iron and steel mills
Pipe, iron or steel, made in iron and steel mills
Plate, iron or steel, made in iron and steel mills
Powder, iron or steel, made in iron and steel mills
Rail joints and fastenings made in iron and steel mills
Railroad crossings, iron or steel, made in iron and steel mills
Rails rerolled or renewed in iron and steel mills
Rails, iron or steel, made in iron and steel mills
Rods, iron or steel, made in iron and steel mills
Rounds, tube, steel, made in iron and steel mills
Sheet pilings, plain, iron or steel, made in iron and steel mills
Sheets, steel, made in iron and steel mills
Shell slugs, steel, made in iron and steel mills
Skelp, iron or steel, made in iron and steel mills
Slab, steel, made in iron and steel mills
Spike rods made in iron and steel mills
Sponge iron
Stainless steel made in iron and steel mills
Steel balls made in iron and steel mills
Steel manufacturing
Steel mill products (e.g., bar, plate, rod, sheet, structural shapes) manufacturing
Steel mills
Steel, from pig iron, manufacturing
Strip, galvanized iron or steel, made in iron and steel mills
Strip, iron or steel, made in iron and steel mills
Structural shapes, iron or steel, made in iron and steel mills
Superalloys, iron or steel, manufacturing
Template, made in iron and steel mills, manufacturing
Terneplate made in iron and steel mills
Ternes, iron or steel, long or short, made in iron and steel mills
Tie plates, iron or steel, made in iron and steel mills
Tin-free steel made in iron and steel mills
Tinplate made in iron and steel mills
Tool steel made in iron and steel mills
Tube rounds, iron or steel, made in iron and steel mills
Tube, iron or steel, made in iron and steel mills
Tubing, seamless steel, made in iron and steel mills
Tubing, wrought iron or steel, made in iron and steel mills
Well casings, iron or steel, made in iron and steel mills
Wheels, car and locomotive, iron or steel, made in iron and steel mills
Wire products, iron or steel, made in iron and steel mills
Wrought iron or steel pipe and tubing made in iron and steel mills
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