Se.ven GI Cardiff steel plant
From Global Energy Monitor
| This article is part of the Global Iron and Steel Tracker, a project of Global Energy Monitor. |
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Se.ven GI Cardiff steel plant, also known as Celsa Steel UK melt-shop, Celsa Steel Castle Works, Celsa Steel UK Cardiff plant, is a steel plant in Cardiff, Wales, United Kingdom that operates electric arc furnace (EAF) technology.
Location
The map below shows the exact location of the plant in Cardiff, Wales, United Kingdom:
- Location: Building 58, Castle Works, East Moors Road, Cardiff, CF24 5NN, United Kingdom
- Coordinates (WGS 84): 51.479757, -3.137056 (exact)
Background
The melt shop of Celsa Steel UK began in 2006. Other parts of the facility including the hot rolling mill started earlier.[1] The plant was originally owned by Cardiff-based Allied Steel & Wire (ASW), but was acquired by Celsa Steel when ASW entered bankruptcy.[2] In 2024, the plant was acquired by Sev.en Global, who then rebranded the plant to 7 Steel UK in 2025.[3]
Ownership Tree
This ownership tree is part of the Global Energy Ownership Tracker, a project of Global Energy Monitor.
Plant Details
Table 1: General Plant Details
| Start date | Workforce size |
|---|---|
| 2006[4] | 800[5] |
Table 2: Ownership and Parent Company Information
| Parent company | Parent company PermID | Parent GEM entity ID | Owner | Owner company PermID | Owner GEM entity ID |
|---|---|---|---|---|---|
| Indenelem establishment [100.0%] | 5095918012 [100.0%] | E100002021919 [100.0%] | Sev.en Global Investments AS [100%][6] | 5083296255 | E100001010410 [100%] |
Table 3: Process and Products
| Steel product category | Steel products | Steel sector end users | ISO 14001 | Main production equipment |
|---|---|---|---|---|
| semi-finished, finished rolled[4] | wire rod, rebar, sections, bar, billet, coil, channel, angle[7] | building and infrastructure, energy, tools and machinery, transport[8] | yes[9] | EAF |
Table 4: Plant-level Crude Steel Production Capacities (thousand tonnes per annum)
| Capacity operating status1 | Electric arc furnace steelmaking capacity | Nominal crude steel capacity (total) |
|---|---|---|
| operating | 1200[10] | 1200[10] |
Table 5: Actual Plant-level Crude Steel Production by Year (thousand tonnes per annum)
| Year | EAF production | Other/unknown steel production | Total (all routes) |
|---|---|---|---|
| 2019 | unknown | unknown | – |
| 2020 | unknown | unknown | – |
| 2021 | 1000[11] | –[11] | 1000[11] |
| 2022 | unknown | unknown | – |
| 2023 | unknown | unknown | – |
| 2024 | 800[12] | –[12] | 800[12] |
Unit Details
Table 6: Electric Arc Furnace Details
| Unit name | Status | Start date | Current capacity (ttpa) |
|---|---|---|---|
| unknown EAF (1) | operating[10] | 2006[13] | 1200[10] |
Table 7: Electric Arc Furnace Feedstock Details
| Unit name | Scrap-based | % scrap | % DRI | % HBI | % sponge iron (unknown if DRI or HBI) | % basic/merchant pig iron | % granulated pig iron | % pig iron (unknown if basic/merchant or granulated) | % other iron |
|---|---|---|---|---|---|---|---|---|---|
| unknown EAF (1) | yes[14] | 98.00[7] | unknown | unknown | unknown | unknown | unknown | unknown | 2.00[15] |
Articles and Resources
Additional data
To access additional data, including an interactive map of steel plants, a downloadable dataset, and summary data, please visit the Global Iron and Steel Tracker on the Global Energy Monitor website.
References
- ↑ About Us, Celsa Steel UK, Retrieved on: Jul. 31, 2020
- ↑ "History of Celsa Steel Group". Steelonthenet.com. Retrieved November 12, 2025.
{{cite web}}: CS1 maint: url-status (link) - ↑ Kazdin, Tess (April 22, 2025). "Sev.en Global Investments completes acquisitions of Celsa Steel UK, Celsa Nordic". Recycling Today. Retrieved November 12, 2025.
- ↑ 4.0 4.1 https://web.archive.org/web/20220106064644/http://celsauk.com/Company.mvc/CelsaSteelUK. Archived from the original on 2022-01-06.
{{cite web}}: Missing or empty|title=(help) - ↑ (PDF) https://web.archive.org/web/20240110022208/https://www.celsauk.com/wp-content/uploads/2023/07/9432-CELSA-Steel-Sustainability-Report-2023_AW_Print.pdf. Archived from the original (PDF) on 2024-01-10.
{{cite web}}: Missing or empty|title=(help) - ↑ https://www.celsagroup.com/en/news-posts/celsa-group-approves-a-capital-increase-to-drive-efficiency-and-strategic-growth/.
{{cite web}}: Missing or empty|title=(help) - ↑ 7.0 7.1 "7Steel products". Archived from the original on 2025-10-15.
- ↑ "7Steel UK sectors". Archived from the original on 2025-10-17.
- ↑ https://7-steeluk.com/environment-energy/.
{{cite web}}: Missing or empty|title=(help) - ↑ 10.0 10.1 10.2 10.3 https://7-steeluk.com/7-steel-uk/.
{{cite web}}: Missing or empty|title=(help) - ↑ 11.0 11.1 11.2 "CELSA Group recovers pre-pandemic production with more than 6.5 Mt of steel produced in its European steel mills". CELSA Group. 2022-02-25. Archived from the original on 2022-07-07.
- ↑ 12.0 12.1 12.2 https://7-steeluk.com/facts-figures/.
{{cite web}}: Missing or empty|title=(help) - ↑ (PDF) https://www.celsauk.com/wp-content/uploads/2023/07/Celsa-UK-Local-Focus-GlobalCommitment.pdf.
{{cite web}}: Missing or empty|title=(help) - ↑ (PDF). 2021-12-31 https://web.archive.org/web/20240119094459/https://www.celsagroup.com/wp-content/uploads/2023/07/sustainability-report-2021.pdf. Archived from the original (PDF) on 2024-01-19.
{{cite web}}: Missing or empty|title=(help) - ↑ https://web.archive.org/web/20240809200559/https://api.environdec.com/api/v1/EPDLibrary/Files/3dfeefb1-9eee-4322-8187-08dbb657dbae/Data. Archived from the original on 2024-08-09.
{{cite web}}: Missing or empty|title=(help)
