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ArcelorMittal Barra Mansa steel plant

operating

Barra Mansa, Central & South America, Brazil

ISO 14001ResponsibleSteel
GEM wiki

Process Route

EAF

Timeline

Operating since 1937

Emissions

2025

0.44 Mt CO₂e

0.72 t CO₂e per tonne of steel

Typical EAF route: 0.5–0.7 t/t

Modelled estimate (Climate TRACE), not reported data. Methodology

Capacity (ttpa)

Crude Steel

800

EAF

800

Production

Crude steelproduction, GEM-compiled (Global Iron & Steel Tracker). Dashed line shows nominal capacity.

Steel Units

EAF
EAF 1operating
400 ttpa50 tDemagwiki
EAF
EAF 2operating
400 ttpa50 tDemagwiki

Steel Products

wire rod, rebar, profile, bar

Ownership

Owner ArcelorMittal Brasil SA

Parent ArcelorMittal SA [97.1%]; small shareholder(s) [2.9%]

Workforce 232 employees

Country Context

Brazil crude steel production (USGS). Plant line shows nominal capacity, not output.

Explore

All 740 EAF plants like this one→

Plant data sourced from the Global Iron & Steel Tracker (March 2026), Global Energy Monitor. Licensed under CC BY 4.0.

Production data: USGS Minerals Yearbook — Raw Steel: World Production by Country or Locality (2019 edition; 2022 and 2023 early release tables). U.S. Geological Survey, public domain. EAF/BOF splits: USGS Minerals Yearbook (2023 estimates).

Facility emissions estimates from Climate TRACE. Licensed under CC BY 4.0.