Basic Info.
Model NO.
GL/GI
Application
Boiler Plate
Edge
Slit edge
Stock
Not Stock
Coil ID
508mm/610mm
Zinc Coating
30-250GSM
Thickness Tolerance
+/- 0.02mm
Width Tolerance
+/- 5mm
Trademark
STIRON
Transport Package
Export Standard Package or as Request
Specification
0.14-0.6mm x 750-1250mm
Origin
China
HS Code
72106100
Model NO.
GL/GI
Application
Boiler Plate
Edge
Slit edge
Stock
Not Stock
Coil ID
508mm/610mm
Zinc Coating
30-250GSM
Thickness Tolerance
+/- 0.02mm
Width Tolerance
+/- 5mm
Trademark
STIRON
Transport Package
Export Standard Package or as Request
Specification
0.14-0.6mm x 750-1250mm
Origin
China
HS Code
72106100
Product Desciption
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 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
| 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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