Established in 1996, Lusosider Aços Planos S.A is the only Portuguese company of the steel sector which produces and sells steel sheets with anticorrosion coating. It is a steel re-rolling company that uses hot-rolled steel coils as raw materials. They are stripped and cold rolled to smaller thicknesses, subsequently passing through an annealing process to obtain the desired mechanical properties, and finally coated with zinc through hot dipping (galvanized product).

Lusosider also produces two other products, cold rolled and stripped / oiled. In addition to its products, Lusosider sells tinplates produced in Brazil by CSN - its sole shareholder.

With headquarters and a manufacturing facility in Palo Pires, Seixal, it has a production capacity of 500,000 tons per year of sheet products. Its products can be applied in the industries of civil construction, for the manufacture of pipes, profiles, ventilation ducts, metal structures and others; in the metal furniture industry, for the manufacture of cabinets and boxes; the packaging industry, the manufacture of drums; and also in the automotive sector, in the manufacture of auto parts.

The main production facilities and lines are:

  • Two Stripping lines
  • Rolling trains, reversible
  • Tempering Train
  • Galvanizing Line
  • Annealing Furnaces
  • Finishing and Inspection Line
  • Cross Section Line
  • Packaging Line

Lusosider is ISO 9001: 2008-certified (products and services).


Lusosider - Aços Planos, SA
2840-075 Aldeia de Paio Pires

Phone: (+351) 21 227 83 00
Fax: (+351) 21 227 83 90
Internet address:

Commercial department:

Phone: (+351) 21 227 83 08
Fax.: (+351) 21 227 83 91

Human resources department:

Phone: (+351) 21 227 83 23
Fax: (+351) 21 227 83 90

Procurement department:

Phone: (+351) 21 227 83 66
Fax: (+351) 21 227 83 94

Last Update on November 04, 2016

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