Uses and characteristics of aluminum-zinc-plated sheet

Aluminum galvanized sheet is a very common alloy material, and its application in daily life is very much, I believe that everyone is not unfamiliar with it, and we have seen it in the usual way. Air conditioners, microwave ovens, refrigerators and other household appliances have the use of aluminum galvanized sheet. In addition to the daily use of these appliances, in industry, the application of aluminum galvanized sheet is also very much. So what is the composition of aluminum galvanized sheet? What are the characteristics? What is the use?

Composition of aluminum galvanized sheet

Aluminum zinc plated steel plate surface is characteristic smooth, flat and gorgeous star flower, the base color is silver white. The special plating structure gives it excellent corrosion resistance. Aluminum-zinc-plated plate normal service life of up to 25a, heat resistance is very good, can be used for 315 ℃ high-temperature environment; plating and paint film adhesion is good, has good processing performance, can be stamping, shearing, welding, etc.; surface conductivity is very good.

Plating composition by weight ratio of 55% of aluminum and 43.4% of zinc, 1.6% of silicon composition. The production process of aluminum-zinc plated steel sheet is similar to that of galvanized rigid sheet and aluminum-plated sheet, which is a continuous melt coating process. 55% aluminum-zinc alloy coated aluminum-zinc plated steel sheet has superior corrosion resistance when exposed to the same environment on both sides compared to galvanized steel sheet with the same thickness. 55% aluminum-zinc alloy coated aluminum-zinc plated steel sheet has not only good corrosion resistance, but also color coated products have excellent adhesion and flexibility.

Characteristics of Aluminum-Zinc Plated Steel Sheet

Corrosion resistance

Zinc is chemically active, in the air at room temperature, the surface generates a thin and dense layer of alkaline zinc carbonate film, which can prevent further oxidation, while aluminum in the air, can form an insoluble oxide layer, in which the barrier protection function.

Heat Resistance

Aluminum-zinc plated sheet can be used in high temperature environments up to 315 degrees.

Reflectivity

Aluminum-zinc coated sheets are highly reflective, with a heat reflectivity almost twice that of galvanized steel, making them ideal for use in steel metal roofs, where energy savings can be achieved.

Easy to paint

Aluminum galvanized sheet has excellent adhesion to paint and can be painted without pretreatment or weathering.

Applications for aluminum galvanized sheets

Construction: roofs, walls, garages, soundproof walls, ducts and modular houses, etc.

Automobiles: mufflers, exhaust pipes, wiper attachments, fuel tanks, truck boxes, etc.

Home appliance: refrigerator back plate, gas stove, air conditioner, electronic microwave oven, LCD bezel, CRT explosion-proof belt, LED back light source, electrical cabinet, etc. Agricultural: pigsty, chicken coop, grain bin, pipeline for greenhouse, etc.

Others: heat insulation cover, heat exchanger, dryer, water warmer, etc.