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ASTM A792 is the standard specification for steel sheet, 55% aluminum-zinc alloy-coated by the hot-dip process, commonly known as Galvalume or Zincalume. Therefore, an "ASTM A792 Galvalume Steel Coil" is a steel coil that meets the requirements outlined in the ASTM A792 specification for the Galvalume coating.The high reflectivity of Galvalume steel helps to reduce heat absorption, making it a preferred choice for roofing and cladding applications in hot climates.
Galvalume steel coils are coated with a combination of 55% aluminum, 43.5% zinc, and 1.5% silicon through the hot-dip process. This unique combination of metals provides Galvalume steel with excellent corrosion resistance and heat reflectivity, making it suitable for a variety of applications.Galvalume steel offers superior corrosion resistance compared to traditional galvanized steel due to the synergistic effect of aluminum and zinc. It performs well in various environmental conditions, including coastal and industrial areas.
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Type
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Coil
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Thickness
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0.12mm-4.0mm or 0.8mm/1.0mm/1.2mm/1.5mm/2.0mm
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Width
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600mm-1500mm or 914mm/1000mm/1200mm/1219mm/1220mm
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Zinc Coating
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Z30g/m2-Z350g/m2
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Surface Structure
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Normal spangle coating(NS), minimized spangle coating(MS), spangle-free(FS)
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Coil Weight
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3 Tons -8Tons
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Coil ID
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508mm/610mm
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WORKSHOP DETAIL
Galvalume steel coils find uses in roofing, siding, wall panels, automotive parts, agricultural equipment, and various industrial applications where a combination of corrosion resistance and heat reflectivity is required.
ASTM A792 provides specific requirements for the coating weight, mechanical properties, chemical composition, and other characteristics of Galvalume steel. Manufacturers and suppliers producing Galvalume steel coils adhere to these standards to ensure consistent quality and performance.
As with any steel product, it is crucial to obtain detailed product specifications and technical data from reputable manufacturers or suppliers. This information will help ensure that the Galvalume steel coil meets the specific requirements of your project or application, guaranteeing optimal performance and durability. Consulting with industry experts can also provide valuable insights tailored to your particular needs.
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