CSN Stahlwerk Thüringen Unterwellenborn
operatingEAF route · Unterwellenborn, Europe, Germany
CSN Stahlwerk Thüringen Unterwellenborn is a scrap-based steel plant: an electric arc furnace melts recycled steel scrap into new crude steel. The liquid steel is solidified into semi-finished shapes by continuous casting. The plant has a crude steel capacity of about 1.1 million tonnes per year. Its main products are billet, sections.
Process Route
Timeline
Operating since 1878
Emissions
2025
0.063 Mt CO₂e
0.08 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
1,100
EAF
1,100
Steel Units
Inputs & Energy
Power Green electricity from Scandinavia Hydroelectric power
Steel Products
billet, sections
Ownership
Owner Stahlwerk Thueringen GmbH
Parent Companhia Siderúrgica Nacional SA [100.0%]
Workforce 700 employees
Country Context
Germany crude steel production (USGS). Plant line shows nominal capacity, not output.
Learn the processes this plant uses
Nearby Plants
Other Companhia Siderúrgica Nacional SA plants
Explore
Location
Unterwellenborn
Europe
Germany
50.6546°, 11.4375°
At a Glance
- Route
- EAF
- Crude steel capacity
- 1,100 ttpa
- Commissioned
- 1878
- Products
- Semi-finished, finished rolled
- Certifications
- 2 recorded