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Product Description
Galvalume coils are based on cold-rolled steel sheets and are made of 55% aluminum, 43.4% zinc, and 1.6% silicon solidified at 600°C. It combines the physical protection and high durability of aluminum with the electrochemical protection of zinc. Also known as galvalume steel coil.
The production process of galvanizing is as follows:
Uncoiling-cleaning-annealing-zinc pot-cooling-air knife-straightening-post-processing-coiling
Heat reflection
People use it as a thermal insulation material, and its heat reflectivity is up to twice that of galvanized steel.
Heat resistance
Galvalume-coated steel coils have good heat resistance and can withstand high temperatures above 300°C. They are very similar to the oxidation resistance of aluminized steel sheets at high temperatures.
Corrosion resistance
The key to the corrosion resistance of galvalume steel coils lies in the protective properties of aluminum. Once the zinc is worn away, the aluminum forms a dense layer of aluminum oxide, preventing further internal corrosion.
Economy
The density of 55% AL-Zn is smaller than that of Zn. Therefore, when the weight and thickness of the coating are the same, the area of the galvanized steel sheet is 3% larger than that of the galvanized steel sheet.
Application scope
Construction industry: such as roofs, interior and exterior wall panels, sound insulation walls, pipes, garages, etc.
Automotive industry: such as mufflers, exhaust pipes, wiper accessories, fuel tanks, truck containers, etc.
Household appliances: such as refrigerator back panels, air conditioners, microwave ovens, LED backlights, electrical cabinets, etc.
Agricultural purposes: such as greenhouses, granaries, pig farms, chicken coops, etc.
Other industries: such as heat exchangers, dryers, etc.
Product parameters
Chemical Composition
Mechanical behavior
Galvanized surface options
Material comparison
FAQ
Q: Do you accept third-party inspection?
A: Yes, we absolutely accept it.
Q: Do you provide samples? Free or extra?
A: The cost of samples is calculated based on the value. Shipping fee is necessary.
Q: Do you have a large inventory of steel?
A: Yes, we have a large indoor warehouse with a total annual spot inventory of more than 200,000 tons.
Q: What is your delivery time and supply capacity?
A: The delivery time is usually within 15~28 working days, and we can supply about 10,000 tons per month.
Q: How to order?
A: Buyer sends inquiry-->Buyer gets quotation-->Order confirmation-->Buyer sends deposit-->Seller prepares goods-->Seller strictly inspects-->Buyer arranges balance payment-->Packaging and delivery.
Inquiry
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