The surface of the
galvanized steel sheet has a unique smooth, flat and gorgeous star flower, and the base color is silver white. The special coating structure makes it have excellent corrosion resistance. The normal service life of the galvanized sheet can reach 25a, the heat resistance is very good, and it can be used in a high temperature environment of 315 ° C; the adhesion between the coating and the paint film is good, and it has good processing performance, and can be punched, sheared, welded, etc.; The surface conductivity is very good. The advantages are as follows:
1. Corrosion resistance: Galvanized sheet has strong corrosion resistance, and its normal service life can reach 25 years, which is 3-6 times longer than that of galvanized sheet, which is suitable for stainless steel. The corrosion resistance of galvanized sheet comes from the barrier protection function of aluminum and the dedicated protection function of zinc. When zinc is dedicated to maintenance on trims, scratches and coating scratches, aluminum forms an insoluble oxide layer that acts as a barrier. Aluminum-zinc alloy steel coils have been exposed to outdoor exposure tests for more than 20 years in a variety of different atmospheric environments, and it has proved that the trimming protection function of 55% aluminum-zinc plated steel plate is better than that of galvanized steel plate and 5% aluminum-zinc plated steel plate. better.
2. Heat resistance: The galvanized sheet has a high thermal reflectivity and is suitable for use as a roof material. The galvanized steel sheet itself has excellent heat resistance and can be used in a high temperature environment up to 315 degrees.
3. Recoatability: (paint film adhesion) The galvanized sheet can maintain excellent adhesion with the paint film, and it can be directly painted or powdered without special pretreatment.
4. Corrosion resistance after coating: After the aluminum-zinc plate itself is partially coated and baked, the corrosion resistance of the non-sprayed part is very little. The function is much better than electroplating color galvanized sheet, electrogalvanized sheet and hot-dip galvanized sheet.
5. Machinability: (shearing, stamping, spot welding, seam welding) The galvanized steel plate has excellent processing functions, and can be punched, sheared, welded, etc., and the coating has good adhesion and impact resistance.
6. Electrical conductivity: The surface of the aluminum-zinc plate can meet the needs of electromagnetic shielding through special waxing treatment.
application:
Construction: roofs, walls, garages, soundproof walls, pipes and modular houses, etc.;
Automobiles: mufflers, exhaust pipes, wiper accessories, fuel tanks, truck boxes, etc.;
Home appliances: refrigerator backplane, gas stove, air conditioner, electronic microwave oven, LCD frame, CRT explosion-proof belt, LED backlight, electrical cabinet, etc.;
Agriculture: pig houses, chicken houses, granaries, greenhouses, pipes, etc.;
Others: Thermal insulation cover, heat exchanger, dryer, water heater, etc.
