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Hot Dipped Galvalume Steel Coil

The surface of galvalume-coated steel coils is smooth and flat, with a unique star-shaped pattern and a silver-white background color. The special coating structure gives it excellent corrosion resistance. The normal service life of galvalume coils can reach 25 years, and they have good heat resistance and can be used in high temperature environments up to 315°C. It has good adhesion between the coating and the paint film, as well as good processing properties such as stamping, shearing, and welding, and its surface has excellent conductivity. Galvalume is made from a mixture of aluminum and zinc with a small amount of silicon. This helps it adhere better and stay more durable. The addition of aluminum is what differentiates galvalume from galvanized steel.
Product: Hot Dipped Galvalume Steel Coil
Standard: AISI, ASTM, BS, DIN, EN, GB, JIS
Material: DX51D+AZ, DX52D+AZ, S350GD, S550GD
Thickness: 0.12-2.0MM
Width: 600-2000MM
Coil Weight: 3-8 tons
Alu-Zinc Coating: AZ30-AZ180
Applications: Construction,Electrical appliance,Furniture,Carrying trade
Packaging: Export standard packaging
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    Introduction

    Hot-dipped Galvalume steel is carbon steel coated with an aluminum-zinc alloy using a continuous hot-dip process, combining the corrosion protection and high-temperature resistance of aluminum with the formability and galvanic protection of zinc. The coating composition consists of 55% aluminum, 43.4% zinc, and 1.6% silicon, respectively, by weight.

    The advantages are as follows:
    1. Corrosion resistance: Galvalume coils have strong corrosion resistance and a normal service life of up to 25 years, which is 3-6 times that of galvanized sheets and equivalent to stainless steel. The corrosion resistance of galvanized steel coils comes from the protective function of the aluminum oxide layer, which prevents the zinc from sacrificing itself when the edges are cut, scratched or the coating is damaged.
    2. Heat resistance: Galvalume coils have high heat reflectivity and are suitable for use as roofing materials; they also have excellent heat resistance themselves and are very suitable for use in high-temperature environments up to 315 degrees Celsius.

    Application:

    Construction field used as building material: roofing tiles, metal frame, partition board, windows and doors, making profiles, fencing panel, corrugated sheets, structural decking, etc.

    Auto Parts: car body shell, underpants, doors, fuel tank, stamping parts, etc.

    Metallurgy Industry: base plate for PPGL etc.

    Electrical Industry: shell for electric appliances etc.

    Detailed Photos
    Galvalume Steel Coil Display

    Galvalume Steel Coil Display

    Application
    galvalume steel coil application

    galvalume steel coil application


    Advantages
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    Quanshuo Metal Materials Co., Ltd. is a leading supplier of steel and other metal products in China. As an ISO9001:2015 certified enterprise, the products we produce meet the standards of ASTM, AISI, BS, DIN, JIS, etc.



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