A directory of 953 steel plants across 81 countries — produces crude steel from iron ore (blast furnace) or scrap (electric arc furnace). Capacity, owner, location and CO₂ from open data.
Facility counts, Climate TRACE v6 (asset-level capacity & CO₂e, CC BY 4.0).
| # | Facility | Country | t of steel |
|---|---|---|---|
| 1 | POSCO Gwangyang steel plant | South Korea | 22,999,000 |
| 2 | Angang Steel Co Ltd | China | 21,605,191 |
| 3 | Baoshan Iron and Steel Co Ltd Headquarters | China | 19,203,279 |
| 4 | Zhangjiagang Hongchang Steel Co Ltd | China | 17,647,000 |
| 5 | POSCO Pohang steel plant | South Korea | 17,551,820 |
| 6 | Maanshan Iron and Steel Co Ltd | China | 17,340,000 |
| 7 | Hyundai Steel Dangjin steel plant | South Korea | 16,200,000 |
| 8 | Wuhan Iron and Steel Co Ltd | China | 15,907,000 |
| 9 | Inner Mongolia BaoTou Steel Union Co Ltd | China | 15,610,000 |
| 10 | Magnitogorsk Iron and Steel Works | Russian Federation | 14,500,000 |
| 11 | NLMK Lipetsk steel plant | Russian Federation | 14,400,000 |
| 12 | Shougang Jingtang United Iron and Steel Co Ltd | China | 13,700,000 |
| 13 | Bengang Steel Plates Co Ltd | China | 13,440,000 |
| 14 | JFE West Japan Works (Fukuyama) steel plant | Japan | 13,002,000 |
| 15 | Baosteel Zhanjiang Iron and Steel Co Ltd | China | 12,528,000 |
Kilns, furnaces, boilers, heat exchangers, valves and steam lines on sites like this lose energy continuously. Inzonex makes patented removable modular insulation for hot industrial equipment:
