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What is Galvalume Steel Sheet?

What is galvalume steel sheet?


Hot dip galvanized steel has been widely used in construction, home appliances and other major industries since its introduction. Due to the continuous expansion of the scope of use, the formability and various properties of the product to the steel plate continue to improve, resulting in a galvalume steel sheet that is superior to the hot-dip galvanized steel sheet in some properties. The galvalume steel sheet is made of cold-rolled hard steel sheets with various strength and thickness specifications as the base material and obtained by hot-dip coating.


Advantages of galvalume steel sheet


Economical: Because the density of 55% AL-Zn is lower than that of Zn, the area of galvanized steel sheet is more than 3% larger than that of pre painted galvalume sheet when the weight is the same and the thickness of the gold plating layer is the same.


Heat resistance: Ordinary hot-dip galvanized products are usually used at a temperature not exceeding 230 degrees. 250 degrees will change color, and aluminium-zinc plate can be used for a long time in an environment of 315 degrees without changing color.


The PPGL provided by East Steel, one of the most famous pre painted steel coil suppliers in China, is of good quality and cost-effective. If you want to know the pre painted galvanized steel sheet price, contact us right now!

What are the areas that need to be improved in the galvalum steel sheet?


Applicability of tidal temperature concrete: The aluminum-zinc coating composition contains aluminum, and the aluminum component is prone to chemical reaction when it comes into direct contact with the acidic wet concrete. Therefore, it is not very suitable for floor panels.

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