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ArcelorMittal Dunkerque steel plant

operating

Dunkerque, Europe, France

ISO 14001ResponsibleSteel
GEM wiki

Process Route

BFBOF

Timeline

Operating since 1963

Emissions

2025

7.28 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

6,750

BOF

6,750

Blast Furnace

5,400

Sinter

9,600

Coking

1,380

Production

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

Iron Units

BF
BF 2mothballed
1,500 ttpawiki
BF
BF 3operating
1,800 ttparelined 2022wiki
BF
BF 4operating
3,600 ttparelined 2025Saint-Gobain (2001 update, parts)wiki
DRI
unknown DRI (1)cancelled
2,500 ttpawiki

Steel Units

EAF
unknown EAF (1)announced
2,250 ttpawiki
EAF
unknown EAF (2)cancelled
2,250 ttpawiki
BOF
unknown BOF (1)operating
2,250 ttpawiki
BOF
unknown BOF (2)operating
2,250 ttpawiki
BOF
unknown BOF (3)operating
2,250 ttpawiki

Steel Products

slab, coil, hot rolled

Ownership

Owner ArcelorMittal Atlantique et Lorraine SAS

Parent ArcelorMittal Atlantique et Lorraine SAS [100.0%]

Workforce 3,200 employees

Country Context

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

Explore

All 449 BOF 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.