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Galvalume Steel Coil

The surface of galvalme steel coil  is unique smooth, flat and gorgeous star flower, and the base color is silver white.  Special coating structure makes it have excellent corrosion resistance.

Specification of Galvalume Steel Coil

Steel Coil


GradeSGLCC,SGLCH,G550,G350
Thickness0.13-1.0mm
Width600-1500 mm
Zinc CoatingAZ30-150g/m2
Content55% alu, 43.5%zinc,1.5% Si
Surface treatmentLight Oil, oil, dry, chromate, passivated, Anti finger
SpangleMinimal spangle
Coil Weight2-5 tons
Coil ID508/610 mm
Packaging & DeliveryAFP Anti-fingerprint Aluzinc Galvalume Steel Coil GL
3 layers of packing.
Inside is kraft paper,
Middle is water plastic film,
Outside GI steel sheet to be covered by steel strips with lock,
with inner coil sleeve.
Port:Shanghai/Tianjin/Qingdao
Lead Time:
Quantity(tons)1-20, 21-200, >200
Est. Time(days)10,20,To be negotiated



Features of Galvalume Steel Coil

  • Thermal reflectivity:

    Aluminium-zinc steel plate has a high thermal reflectivity, twice of galvanized steel plate and is often used as an insulating material.


  • Heat resistance:

    Aluminum zinc alloy steel plate has good heat resistance, can withstand the high temperature of more than 300 degrees Celsius, and aluminum plated steel plate high temperature oxidation resistance is very similar, often used in chimney tubes, ovens, illuminators and solar lampshades.                          Corrosion resistance:

    The corrosion resistance of aluminium-zinc steel coil is mainly due to aluminum, aluminum protection function.  As the zinc wears away, the aluminum forms a dense layer of aluminum oxide that prevents corrosion resistance from further corroding the interior.


  • Economy:

    Because the density of 55% Al-Zn is lower than that of Zn, the area of aluminized zinc plate is more than 3% larger than that of galvanized steel plate under the condition of the same weight and the same thickness of gold plating.

    Easy to paint on

    The aluminized zinc plate has excellent adhesion to the paint and can be painted without pretreatment and weathering.



  • Aluminium-zinc plated steel plate has an ornate silver-white surface.

  • Aluminized zinc steel plate and galvanized steel plate have similar processing performance and spraying performance.


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