ArcelorMittal Dunkerque steel plant

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ArcelorMittal Dunkerque steel plant, also known as ArcelorMittal Dunkirk and ArcelorMittal Atlantique et Lorraine - Dunkerque, is a 6750 thousand tonnes per annum (TTPA) blast furnace (BF) and basic oxygen furnace (BOF) steel plant operating in Dunkerque, Haus-de-France, France.


The map below shows the location of the steel plant in Dunkerque, Haus-de-France, France.

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  • Location: ArcelorMittal Atlantique et Lorraine, site Dunkerque, rue du Comte Jean, Grande Synthe 2508, 59381 Dunkerque Cedex 1, France[1]
  • Coordinates (WGS 84): 51.041274, 2.292948 (exact)


ArcelorMittal Dunkerque (Dunkirk) has three blast furnaces with a total annual production capacity of 7 million tons. The two largest blast furnaces were temporarily shut down in March and April as demand fell due to a coronavirus pandemic,[2] but one was restarted in August 2020.[3]


In February 2022, ArcelorMittal announced that it would be transitioning its Dunkerque plant away from the BF-BOF production route as part of a €1.7 billion investment in its French facilities.[4] The company will build out 4500ttpa of EAF capacity and 2500ttpa in DRI at Dunkerque with the aim of starting up the new equipment by 2027 and phasing out the old by 2030.[5]

Low-emissions/green steelmaking

This steel plant is associated with green steel projects tracked in the Green Steel Tracker. Details about the projects are included below.

  • Company: ArcelorMittal
  • Stated company climate target for 2030: 35% reduction in Europe (baseline 2018)
  • Stated company climate target for 2050: carbon neutrality
  • Project website:
  • Location: France
  • Coordinates: 51.041274, 2.292948 (exact)

Project 1

  • Project name: 3D
  • Project scale: pilot
  • Technology category: CCS
    • Specific technology: CCS
    • Hydrogen type: N/A
  • Year online: 2021
  • Size (m USD): 22.8
  • Steel production capacity (Mtpa): N/A
  • Iron production capacity (Mtpa): N/A
  • Hydrogen capacity generation (MW): N/A
  • Carbon capture capacity (Mtpa CO2): 0.005
  • Partners: Axens, Total, Air Products, Brevik Engineering, CMI, DTU, Gassco, RWTH and Uetikon.
  • Date of announcement: 03/06/2019

Project 2

  • Project name: N/A
  • Project scale: full scale
  • Technology category: H-DR
    • Specific technology: H-DR + EAF & CCS
    • Hydrogen type: Blue
  • Year online: 2027
  • Size (m USD): Not stated
  • Steel production capacity (Mtpa): Not stated
  • Iron production capacity (Mtpa): 2.5
  • Hydrogen capacity generation (MW): N/A
  • Carbon capture capacity (Mtpa CO2): 0.00438
  • Partners: Air Liquide
  • Date of announcement: 03/17/2021

All references for the above data are available in the Green Steel Tracker.

Plant Details

Table 1: General Plant Details

Plant status Workforce size
operating[6] 3200[7]

Table 2: Ownership and Parent Company Information

Parent company Parent company PermID Owner Owner company PermID
ArcelorMittal SA [100%][1] 5000030092 [100%] Arcelormittal Atlantique et Lorraine SASU[1] 4298163524

Table 3: Process and Products

Steel product category Steel products ISO 14001 Main production equipment Detailed production equipment
semi-finished; finished rolled[1] slabs; hot rolled products; coil[1] yes[8] blast furnace (BF) and basic oxygen furnace (BOF)[1] 1 coking plant; 2 sinter plants; 3 BOF (2 to be replaced by new Primetals Technology in 2023)[9][1][10][11]

Table 4: Crude Steel Production Capacities (thousand tonnes per annum):

Basic oxygen furnace steelmaking capacity Nominal crude steel capacity (total)
6750 TTPA[11] 6750 TTPA

Table 5: Crude Iron Production Capacities (thousand tonnes per annum):

Blast furnace capacity Nominal iron capacity (total)
6900 TTPA[11][12][13] 6900 TTPA

Table 6: Upstream Products Production Capacities (thousand tonnes per annum)

Sinter Coke
9600 TTPA[14] 1380 TTPA[14]

Table 7: Actual Crude Steel Production by Year (thousand tonnes per annum):

Year BOF Production EAF Production OHF Production Total (all routes)
2020 4900 TTPA[15] 4900 TTPA
2021 5900 TTPA[6] 5900 TTPA

Blast Furnace Details

Table 8: Blast Furnace Details:

Unit name Status Start date Stop date Current size Current capacity
4 operating[16] 1971[16] 14 meters (hearth diameter)[17] 3700 TTPA[13]
2 mothballed[18] 1963[18] July 2022[18] 1500 TTPA[12]
3 mothballed[19] 1968[19] September 2022[16][13] 1800 TTPA[13]

Articles and Resources


  1. 1.0 1.1 1.2 1.3 1.4 1.5 1.6 Archived from the original on 2022-01-11. {{cite web}}: Missing or empty |title= (help)
  2. ArcelorMittal will restart blast furnace at Dunkirk Steel Plant in August, SMM News, Jul. 16, 2020
  3. ArcelorMittal restarts BF at Dunkirk plant in France, Fastmarkets MB, Aug. 25, 2020
  4. Mitic, Julia (February 7, 2022). "ArcelorMittal accelerates its decarbonization with a €1.7 billion investment program in France, supported by the French government". WBCSD.{{cite web}}: CS1 maint: url-status (link)
  5. "ArcelorMittal accelerates its decarbonisation with a €1.7 billion investment programme in France, supported by the French Government | ArcelorMittal". Retrieved 2023-06-23.
  6. 6.0 6.1 (PDF) {{cite web}}: Missing or empty |title= (help)
  7. Archived from the original on 2022-01-20. {{cite web}}: Missing or empty |title= (help)
  8. (PDF) Archived from the original (PDF) on 2022-03-19. {{cite web}}: Missing or empty |title= (help)
  9. {{cite web}}: Missing or empty |title= (help)
  10. (PDF) Archived from the original (PDF) on 2022-01-21. {{cite web}}: Missing or empty |title= (help)
  11. 11.0 11.1 11.2 (PDF) Archived from the original (PDF) on 2022-03-18. {{cite web}}: Missing or empty |title= (help)
  12. 12.0 12.1 Archived from the original on 2022-07-13. {{cite web}}: Missing or empty |title= (help)
  13. 13.0 13.1 13.2 13.3 Archived from the original on 2022-09-07. {{cite web}}: Missing or empty |title= (help)
  14. 14.0 14.1 (PDF) Archived from the original (PDF) on 2022-09-22. {{cite web}}: Missing or empty |title= (help)
  15. (PDF) Archived from the original (PDF) on 2022-01-29. {{cite web}}: Missing or empty |title= (help)
  16. 16.0 16.1 16.2 Archived from the original on 2022-09-28. {{cite web}}: Missing or empty |title= (help)
  17. {{cite web}}: Missing or empty |title= (help)
  18. 18.0 18.1 18.2 Archived from the original on 2022-11-26. {{cite web}}: Missing or empty |title= (help)
  19. 19.0 19.1 Archived from the original on 2022-09-06. {{cite web}}: Missing or empty |title= (help)

Other resources

Wikipedia also has an article on ArcelorMittal Dunkerque steel plant. This article may use content from the Wikipedia article under the terms of the GFDL.

Additional data

To access additional data, including an interactive map of steel power plants, a downloadable dataset, and summary data, please visit the Global Steel Plant Tracker and Global Blast Furnace Tracker on the Global Energy Monitor website.