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Aluminized Steel ( Type 2 )

Aluminized steel is a kind of carbon steel treated by a hot-dip coating process on both sides with aluminum or aluminum-silicon alloy. This process aims to enhance its properties, particularly corrosion and rust resistance. Aluminized steel possesses the strength, hardness, and excellent mechanical properties of traditional steel while incorporating the attractive appearance of aluminum and its antioxidant properties. The perfect combination of these qualities makes aluminized steel a metal material with enhanced capabilities and wider applications.


Aluminized steel comes in two types, Type 1 and Type 2. 


Aluminized steel Type 2 is hot-dip coated with pure aluminium. It is specifically designed for applications where atmospheric corrosion resistance is required.


Aluminized steel Type 2 and prepainted aluminized steel are recommended by CINI for insulated pipe jacketing in scenarios where there's a combined risk of corrosion and fire. These materials offer a balance of corrosion resistance and fire protection, making them suitable choices for such applications as per CINI guidelines.

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    Product Features

    Characteristics

    Applications

    • Superior passive fire resistance
    • Offers good thermal and light reflectivity to minimize the effects of heat radiation. Even after accelerated ageing it maintains more than 70% of its reflectivity
    • Superior corrosion resistance in all environments (urban, industrial, and marine) thanks to the hard and passivating layer of in aluminium oxide which forms on the surface of the steel. The effect extends to uncoated cut edges, ensuring long-term protection.
    • Corrosion resistance is maintained in the presence of heat, and the different aggressive combustion by-products found in oil and gas installations
    • Jacketing or cladding material in refineries
    • Petrochemical facilities
    • Gas power plants
    • Oil storage facilities
    • Liquid natural gas terminals
    • Grain silos
    • Pipe cladding

    Product Structure

    Product Structure

    Application

    Aluminized Steel (Prepainted Aluminized Steel)

    Brand Posco (Prepainted Aluminized Steel) ArcelorMittal (Alupur®)
    Standard ASTM A463 ASTM A463
    Grades CS / Type 1 CS / Type 2
    Coating Mass      

    Coating Weight

    Paint Thickness

    Coating Thickness

    Model  Name

    Coating Weight

    Coating Thickness

    Double Sided

    Top

    Back

    Per Sided

    AL305

    Double Sided

    Per Sided

    g/m2

    μm

    μm

    g/m2

    μm

    240

    17

    17

    60

    305

    50

    Dimensions (mm)    

    Thickness

    Min Width

    Max Width

    Thickness

    Min Width

    Max Width

    THK < 0.60

    750

    1370

    0.50 < THK < 1.00

    650

    1060

    0.60 < THK < 2.00

    1450

    1.00 < THK < 2.00

    1130

    Post Treatment  

    Pre-Treatment For Painting

    Chemical  Treatment

    Oiling

    Polyester Resin Paint(Double Sided)

    Chrome Treatment
    Cr-Free
    Tlubrication Treatment
    No Treatment
    Oiled
    Non-Oiled
    MOQ 25 tons
    Coil Inner Diameter 610 mm  or  508 mm
    Delivery Status Coil, Strip, Sheet