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Your present location:HomeHot-dip Aluminum-Zinc-Silicon Steel Plate > Hot-dip Aluminum-Zinc-Silicon Steel Plate
  • Product name: Hot-dip Aluminum-Zinc-Silicon Steel Plate
  • Product Number: 07002
  • Added time: 2011-07-21
  • Views : 95

  Hot-dip aluminum-zinc-silicon (GL) product regards cold-rolled steel plates with a variety of strength and thickness specifications as basic plates, which are hot dipped with Al (55%), Zn (43.5%) and Si (1.5%) alloy on the surface. It has excellent corrosion resistance.
  Hot-dip aluminum-zinc-silicon alloy is developed successfully based on hot dip aluminum plating and galvanizing technologies.
  It has not only good atmospheric corrosion, thermal resistance and oxidation resistance of aluminum coated products, but also good electrochemical protection of galvanized products. Its kerfs and scratches do not rust easily. Main advantages are as follows:
  (1) Smooth surface, good resistance to atmospheric corrosion. Its corrosion resistance life is 2-6 times higher than galvanized steel plates;
  (2) It has good heat resistance and oxidation resistance, does not change color at 300℃ for a long time, and can be used at 500℃ for long. It also has good water resistance and soil corrosion resistance. Its water corrosion resistance is superior to galvanized plate and hot-dip aluminum plate, and soil corrosion resistance is superior to galvanized plate. It is an ideal material to manufacture automobile mufflers, exhaust pipes, grain dryers, water heaters and other corrosion resistant machines. In addition, the product’s heat reflectivity is more than 75%, which is twice of that of galvanized plate.
  (3) Good coating and good processing properties. With strong adhesion to organic materials, it is the best choice of basic plate for color organic coated steel plate. With similar processability and weldability to galvanized plate, it can receive cold bending, pressing and other treatments, and has good appearance.
  In addition, as aluminum has smaller specific gravity than zinc, aluminum-zinc alloy coating has a specific gravity of only 3.7kg/dm3, while zinc has a specific gravity of 7.1kg/dm3. Therefore, under the circumstance of same zinc coating thickness, aluminum-zinc alloy has smaller weight. This has greatly saved highly priced coating metal.
 

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