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Gerdau S.A.

Brazil · Market cap: $8.45B · P/E: 18.3 · P/S: 0.7

Gerdau makes and sells steel products — things like rebar, bars, and wire rod — mostly for construction and industrial customers.

Gerdau is a steel company. It turns scrap metal and iron ore into the basic steel shapes that hold up buildings, bridges, and factories — rebar that reinforces concrete, bars and wire rod that get cut and shaped into everything from screws to car parts, and special steels for industrial use. If you have walked past a construction site, you have almost certainly seen Gerdau's handiwork without knowing it.

Gerdau S.A. (GGBR4.SA) Steel, mainly rebar and long steel products: line art illustration of a bundle of ribbed steel rebar bars with characteristic twisted ridges
Steel rebar
Gerdau's rebar is the ribbed steel that strengthens concrete in buildings.

The business is built on a simple loop: collect scrap steel, melt it down in electric furnaces, roll it into useful shapes, and sell it to construction firms and manufacturers. Gerdau has leaned hard into this scrap-based model, which is cheaper and greener than making steel from scratch with iron ore and coal. That matters more every year, as big customers and governments push for lower-carbon materials. The company runs mills across Brazil, North America, and other regions, so it sells into several economies rather than betting on just one. Steel is a brutal, cyclical commodity business. Prices swing with construction activity and global demand, and Gerdau has little power to set them — it is a price taker. Its edge comes from scale, low-cost scrap furnaces, and being a leading producer in Brazil and a major player in North America, especially in long steel products. When building booms, money pours in; when construction stalls, profits shrink fast. That cycle is the single biggest thing to understand about the company.


Gerdau's headquarters in Brazil anchor a business that has grown well beyond its home market through decades of expansion and acquisitions, turning a regional producer into one of the Americas' largest steelmakers. Its cash flow funds mill upgrades, dividends, and debt reduction, and management has worked to keep the balance sheet strong enough to ride out downturns. The simple takeaway: Gerdau sells the bones of construction, and its fortunes rise and fall with how much the world is building.

Saved answer · last researched 12 Nov 2026