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Color Coated Akzo Nobel Prepainted Galvanized Steel Coil PPGI Building Material
55% AL-GL of Galvalume steel coil Thickness0.13-0.60mmWidth750-1250mmAZ Coating30-250gsmCoil ID508mm/610mmMaterialSGCC/CGCC/Tdc51dzm/Tdc52dts350gd/Ts550gd/Dx51dHardnessSoft hard(60),medium hard(HRB60-85),full hard(HRB85-95)Surface StructureRegular spangle, Minimum spangle, Big spangle, Zero spangleC......
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Product Description
55% AL-GL of Galvalume steel coil
Surface of Galvalume Steel
The corrosion resistance of 55% aluminum-zinc alloy steel sheet benefits from the protective function of the passivation layer of aluminum and the sacrificial protective function of zinc. When zinc is used for sacrificial protection on trimming, scratches and coating scratches, aluminum will form an insoluble oxide layer on the outside of the steel plate to play a barrier protection function.
The weight of the coating is the most important guarantee for corrosion resistance. The greater the thickness of the coating, the better the corrosion resistance.
The following are the corresponding zinc coating in different environments
| Thickness | 0.13-0.60mm |
| Width | 750-1250mm |
| AZ Coating | 30-250gsm |
| Coil ID | 508mm/610mm |
| Material | SGCC/CGCC/Tdc51dzm/Tdc52dts350gd/Ts550gd/Dx51d |
| Hardness | Soft hard(60),medium hard(HRB60-85),full hard(HRB85-95) |
| Surface Structure | Regular spangle, Minimum spangle, Big spangle, Zero spangle |
| Composition | AL55%, ZN43%, SI 2% |
| Corrosion resistance | the life of GL is 2-5 times longer than GI |
| Heat resistance | withstand high temperature 500-600ºC |
| Heat-reflective | the high reflection making it becomes an effective barrier against heat |
| Application | Be used outside directly or base material of PPGL, roofing, Builfing&Construction |
Surface of Galvalume SteelThe corrosion resistance of 55% aluminum-zinc alloy steel sheet benefits from the protective function of the passivation layer of aluminum and the sacrificial protective function of zinc. When zinc is used for sacrificial protection on trimming, scratches and coating scratches, aluminum will form an insoluble oxide layer on the outside of the steel plate to play a barrier protection function.
The weight of the coating is the most important guarantee for corrosion resistance. The greater the thickness of the coating, the better the corrosion resistance.
The following are the corresponding zinc coating in different environments
| Package | waterproof paper+plastic film+iron packing+bundling, or as per customers request. |
| Remarks | Insurance is all risks and accept the third party test |
| Loading Port | Tianjin/Qingdao port |
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