Gerdau Açominas Ouro Branco
operatingBF–BOF Integrated route · Ouro Branco, Central & South America, Brazil
Gerdau Açominas Ouro Branco makes steel by the integrated route: iron ore is smelted into liquid hot metal in a blast furnace, then refined into crude steel in a basic oxygen furnace. The liquid steel is solidified into semi-finished shapes by continuous casting. The plant has a crude steel capacity of about 3.6 million tonnes per year. Its main products are wire rod, sheet, plate, bloom, billet, coil, slab, profile.
Process Route
Timeline
Operating since 1986
Emissions
2025
5.91 Mt CO₂e
1.90 t CO₂e per tonne of steel
Typical BF-BOF route: 1.8–2.0 t/t
Modelled estimate (Climate TRACE), not reported data. Methodology
Capacity (ttpa)
Crude Steel
3,600
BOF
3,600
Blast Furnace
4,348
Sinter
5,462
Coking
2,905
Production
Crude steelproduction, GEM-compiled (Global Iron & Steel Tracker). Dashed line shows nominal capacity.
Iron Units
Steel Units
Inputs & Energy
Iron ore Gerdau's Varzea do Lopes mine
Steel Products
wire rod, sheet, plate, bloom, billet, coil, slab, profile
Ownership
Owner Gerdau Acominas SA
Parent Gerdau SA [100.0%]
Workforce 8,500 employees
Country Context
Brazil crude steel production (USGS). Plant line shows nominal capacity, not output.
Learn the processes this plant uses
Nearby Plants
Other Gerdau SA plants
Explore
Location
Ouro Branco
Central & South America
Brazil
-20.5435°, -43.7529°
At a Glance
- Route
- BF–BOF Integrated
- Crude steel capacity
- 3,600 ttpa
- Commissioned
- 1986
- Products
- Semi-finished, finished rolled
- Certifications
- 1 recorded