SN MAIA Siderurgia Nacional
operatingSN MAIA Siderurgia Nacional SA · EAF route · Maia, Europe, Portugal
SN MAIA Siderurgia Nacional 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 600 thousand tonnes per year. Its main products are rebar.
Process Route
Timeline
Operating since 1974
Emissions
2025
0.069 Mt CO₂e
0.17 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
600
EAF
600
Steel Units
Inputs & Energy
Power Self-consumption Solar PV
Steel Products
rebar
Ownership
Owner SN MAIA Siderurgia Nacional SA
Parent Bipadosa SL
Workforce 296 employees
Learn the processes this plant uses
Nearby Plants
Megasa Siderúrgica Narón
Narón · ~253 km away
SN SEIXAL Siderurgia Nacional
Aldeia de Paio Pires · ~297 km away
ArcelorMittal Asturias (Aviles)
Aviles · ~337 km away
ArcelorMittal Asturias (Gijón)
Gijon · ~343 km away
Grupo Gallardo Siderurgica Balboa Jerez de los Caballeros
Jerez de los Caballeros · ~360 km away
Other Bipadosa SL plants
Explore
Location
Maia
Europe
Portugal
41.2551°, -8.5553°
At a Glance
- Route
- EAF
- Crude steel capacity
- 600 ttpa
- Commissioned
- 1974
- Products
- Semi-finished, finished rolled
- Certifications
- 2 recorded