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55% ALUMINIUM ZINC ALLOY COATED STEEL COIL/ GALVALUME STEEL COIL/ HOT DIP GALVALUME STEEL COIL


The most used metallic coating for the corrosion protection of steel is zinc(galvanize). It offers a good combination of galvanic and barrier protection. Its excellent performance for many applications is well documented. One hot dip product that was developed is 55% aluminium zinc alloy coated steel. It was well received in the marketplace, particularly for metal building roofing. The coating is comprised of 55% aluminium, 43.5% zinc, and 1.5% silicon. Steel Sheet with this coating has proven to be an excellent product for long life building cladding, especially low slope roofing on industrial buildings. It has been widely applied as bare(unpainted)sheet with than coating being directly exposed to the atmosphere. The product is also used as a substrate for prepainted sheet and this use has also grown significantly.

The most common coating designations of Aluninium Zinc(55% Al-Zn) product to be used in outdoor environments are AZ50-AZ150.

Due to high aluminium content of the Aluminium Zinc(55% Al-Zn) coating the sheet can withstand surface temperatures of up to 400°C without discoloration, and up to 650°C without heavy oxidation and scaling. The composition of the aluminium zinc alloy coatings has proven to outlast galvanized steel by two to four times, depending on the environment. Building panels fabricated from aluninium zinc alloy coated steel will provide many years of trouble free service when properly designed, installed and maintained.

THE FEATURE OF ALUMINIUM ZINC ALLOY COATED:

1. Base steel grade of aluminium zinc alloy coated steel coil: SPCC according to the ASTM, JIS, OR EN STANDARD

2. Both sheet and coil are available

3. Both soft and hard are available

4. Available Thickness steel coil: 0.20-2.5MM

5. Available Width steel coil: 914mm/ 1000mm/ 1219mm/ 1200mm/ 1250mm/ 1220mm special width can be available, for examples200 mm, 300 mm, 400 mm, 500mm, 600mm

6. Spangle: Regular spangle

7. Coil ID: 508mm

8. Coil Weight: MAX 5-8MT

9. Surface Treatment: Chromated, Light Oiled and anti-fanged

10. Packing: Seaworthy, in container, The package is mill's standard export packing, including water-proof paper, steel can and steel angle protector.

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