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(Al 55%, Zn 43,4%, Si 1,6%)

Aluzinc is a flat carbon steel product coated on both sides with an aluminum-zinc alloy. The coating is composed of 55% aluminum, 43.4% zinc and 1.6% silicon and applied by means of a continuous hot dip galvanising process.

The excellent corrosion resistance of Aluzinc is a consequence of the properties of its two metallic constituents.

The typical brilliant silver color of Aluzinc gives it a very eye-catching look.

Aluzinc offers other advantages: excellent corrosion resistance, good abrasion resistance and excellent thermal and light reflectivity.

Marcora’s wide range of Aluzinc

Aluzinc: Marcora Grades

Steels for cold forming: Drawing and Profiling – EN 10346:2009
Structural steels – EN 10346:2009
S250GD +AZ S220GD +AZ S280GD +AZ
S320GD +AZ S350GD +AZ S550GD +AZ

Aluzinc: Marcora Coating Properties

Designation Coating weight Coating thickness
EN 10346 double-sided (g/m2) (µm per side)
AZ100 100 13
AZ150 150 20
AZ185 185 25

Aluzinc: Marcora Size Ranges

Slit coils – Strips in different widths and lower weight
Thickness 0,30 – 3 mm
Width 17 – 2000 mm
Inside Diameter 508 or 610 mm
Cut Lengths – Sheets
Thickness 1.5 – 6 mm
Width 80 – 2000 mm
Length 300 – 4500 mm
Inside Diameter 508 or 610 mm

Surface conditions

  • Dry
  • Standard Oiling
  • Chemical passivation
  • Phosphatising


The material may be supplied:

  • Without any wrapping
  • Wrapped with anticorrosion paper
  • Wrapped with anticorrosion paper and metal box
  • All sheets will be delivered on pallets.

Surface appearance

(according to international standards)

  • Quality A
  • Quality B


Thickness, Flatness, Width, Length and Camber tolerances are in accordance with EN 10143


Please contact us for specifications not shown

Fields of application

  • Apparecchi domestici
  • Armadi elettrici
  • Asciugatrici
  • Canalizzazioni aria
  • Computer
  • Coperture
  • Corpi per caldaie
  • Forni a microonde
  • Frigoriferi
  • Illuminazione
  • Lavatrici
  • Pannelli
  • Pareti divisorie
  • Profilati a freddo
  • Rivestimenti
  • Sistemi di stoccaggio
  • Tegole
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