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Galvalume Steel Coil
Galvalume steel coil (typically 55% aluminum, 43.5% zinc, and 1.5% silicon) offers exceptional longevity and performance, standing up to heat, moisture, and corrosion significantly better than standard galvanized steel.
With its distinctive spangled finish and excellent heat reflectivity, it is the premium, cost-effective choice for roofing, wall panels, and other applications where durability and appearance matter.
+86 153 7635 6088
+86 153 7635 6088
info@jtl-steel.com
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Galvalume Steel Coil is composed of 55% aluminum, 43.4% zinc, and 1.6% silicon, forming a dense quaternary alloy coating through high-temperature solidification. This structure delivers exceptional corrosion resistance with a service life of up to 25 years and heat resistance up to 315°C. It features a smooth, silver-white spangled surface, strong paint adhesion, excellent formability for stamping and welding, and high surface conductivity.

We supply custom sizes and provide full technical support to meet your specific requirements in roofing, cladding, and high-temperature applications.


Product NameGalvalume Steel Coil
Steel Grade

DX51D+AZ,DX52D+AZ,DX53D+AZ,DX54D+AZ,S250GD+AZ,S350GD+AZ,S450GD+AZ,S550GD+AZ,LG550GD+AZ,etc.

TypeCoil/Sheet/Plate/Strip
Thickness0.009-6.00mm
Width600mm-1500mm,according to customer's requirement
Type of CoatingHot Dipped Galvalume Steel
Coating10-1200g/m2
Surface TreatmentPassivation (Chromated/Chrom-Free),Oiling,Anti-fingerprint (N5),Pre-lubricated/Slip,Phosphating,etc.
ID508mm/610mm
Coil Weight3-20metric ton per coil
PackageWater proof paper is inner packing,galvanized steel or coated steel sheet is outer packing, side guard plate,then wrapped by sevensteel belt.or according to customer's requirement
Export marketEurope,Africa,Central Asia,Southeast Asia,Middle East,South America,North America, etc


详情标题1-产品详情


Our Galvalume coils (Al-Zn alloy coating) provide exceptional durability with significantly enhanced corrosion resistance compared to traditional galvanized steel. The unique coating microstructure offers excellent heat reflectivity and oxidation resistance under continuous high-temperature environments. Available in a wide range of coating weights and tensile strength grades, with custom widths and surface treatment options (regular spangle, minimal spangle, chromate passivation). Ideal for roofing, HVAC systems, industrial furnaces, and agricultural equipment.


1-镀铝锌-产品展示 拷贝



详情标题2-生产线


Our Galvalume coils are produced through continuous hot-dip processing lines featuring computer-controlled coating bath (Al-Zn alloy temperature maintained at ±3°C) and precision gas wiping system (coating weight tolerance ±2g/m²). The integrated production system includes hydrogen atmosphere annealing furnaces, rapid cooling sections, and online surface defect detection. Fully automated control ensures perfect coating uniformity and adherence to international standards, with customized coating composition and special performance requirements available.


2-镀铝锌-生产线 拷贝



详情标题3-检测


In order to ensure product quality, we will arrange professional personnel to check product quality, packaging, weight, hardness, etc., according to customer requirements of product specifications, looking for high-quality and cheap cooperative factories in China, to provide customers with one-stop procurement services and quality assurance.


3-镀锌卷-检测 拷贝



详情标题4-发货


Excellent packaging: waterproof paper and plastic film + iron cover + at least three strapping straps + strapping straps fixed on iron or wood pallets can effectively protect products from corrosion and various climate changes during transportation. Generally speaking, we ship from Shanghai, Tianjin, Qingdao and Ningbo ports. We have worked with many experienced shipping companies for a long time to find the most suitable mode of transportation for you.


4-镀锌卷-包装 拷贝

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