[China Aluminum Network] galvanized steel sheet is composed of aluminum zinc alloy structure, made of 55% aluminum, 43.4% zinc and 1.6% of silicon solidified at 600 °C high temperature, and its entire structure from aluminum - iron - silicon - Zinc forms a dense quaternary crystal alloy.
The galvanized steel sheet is a new type of steel sheet, and the corrosion resistance caused by the hot dip coating of cold-rolled or hot-rolled steel sheet is gradually replacing galvanized sheet widely used all over the world.
Galvanized steel sheet usually has the following characteristics:
1. Super corrosion resistance: Corrosion resistance of galvanized steel sheet is 6-8 times that of general galvanized sheet, and it usually guarantees no rust for 20 years.
2. High-temperature oxidation resistance: The galvanized steel sheet will not undergo any discoloration or deformation when it is used for a long time at a high temperature of 315 degrees Celsius.
3. High thermal reflectivity: The thermal reflectivity of galvanized steel sheet is higher than 75%, which is about twice that of galvanized steel sheet. It acts as a roof and panel to achieve energy saving effect when it is not painted. Processing is easy: it can be satisfied Stamping, cutting, bending and other processing.
4. Appearance: silver-white snowflake pattern, beautiful and beautiful, do not need to paint can be used directly.
5. Can be sprayed on the surface: Galvanized steel is a good substrate for paint coating. The composite coating of alloy and organic materials can provide more efficient protection against rust.
6. More use area: The specific gravity of the galvanized steel sheet coating (3.75g/m3) is much smaller than the specific gravity of zinc (7.15g/m3), so when the steel substrate and plating thickness are the same, each Tons of galvanized steel sheet has more use area than galvanized steel sheet, giving users greater benefits. Each 1000 tons of galvanized steel sheet AZ150 is equivalent to: (1) 1050 tons of 0.3mm thick galvanized steel sheet (2) 1035 tons of 0.5mm thick galvanized steel sheet (3) 1025 tons of 0.7mm thick galvanized steel sheet.
7. Wide range of applications: Can be applied to roofs, walls, garages, sound insulation walls, pipes and modular houses of buildings, mufflers, exhaust pipes, wiper attachments, fuel tanks, wagon boxes, etc., refrigerator backplanes of home appliances, etc. Gas stove, air conditioner, electronic microwave oven, LCD frame, CRT explosion-proof band, LED backlight source, electrical cabinet, etc., agricultural pig house, chicken house, granary, greenhouse pipe, etc., others such as insulation cover, heat exchanger, Dryers, water heaters, etc.
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