Galvanized aluminum magnesium
Galvanized aluminum magnesium
Pickling plate is a high-quality hot-rolled sheet as raw materials, after the pickling unit to remove the oxide layer, cutting edge, finishing, surface quality and use requirements (mainly cold forming or stamping performance) between the hot-rolled plate and cold-rolled plate intermediate products, is part of the hot-rolled plate and cold-rolled plate ideal replacement products
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Galvanized aluminum magnesium steel sheet
Galvanized aluminum magnesium steel plate is a new type of plate emerging in recent years,mainly is to improve the performance of galvanized sheet and replace high-end products.The composition of coating of galvanized aluminum magnesium steel plate contains the appropriate proportion of zinc,aluminum,magnesium and other metal elements to produce composite coating effect, thereby endowing the steel plate with a high degree of corrosion resistance,ammonia resistance,acid and alkali resistance and scratch resistance,so that it can still maintain its best condition under harsh environment,prolong its service life,promote resource conservation and protect the environment.
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Aluminum plate manufacturer: aluminum plate type characteristics
There are two types of aluminized steel plates: one, called Class 1, is based on heat resistance and can withstand high temperatures of about 640°C. This aluminized steel plate is plated on a mild steel plate with a 20-25 micron thick coating of Al-Si alloy (Si content 6-8.5%). The other is called Class 2, based on corrosion resistance, and its coating thickness is 2 to 3 times that of Class 1. Regardless of the type, the coating is formed by hot dip plating. Therefore, a thin alloy layer is formed between the low carbon steel plate substrate and the coating. Type 1 forms the Al-Fe-Si alloy layer, and type 2 forms the Al-Fe alloy layer. Compared with Class 1, Class 2 has a lower melting point and thicker coating, so it is less weldable.
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What are the types of zinc, aluminum and magnesium?
Zinc aluminum magnesium is a kind of alloy metal with very excellent comprehensive performance, and the manufacturing cost is only slightly higher than that of aluminum zinc coating, but its corrosion resistance is much higher than that of pure zinc and aluminum zinc alloy, and the protection of the steel plate incision is very good.
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Zinc aluminum magnesium coating is a ternary alloy coating whose main component is zinc, in addition, the content of aluminum and magnesium is between 1.5 and 8% (of which the magnesium content is not less than 0.2%). Why is the ratio of aluminum to magnesium specified in the European standard zinc-aluminum-magnesium coating a range of 1.5~8%, rather than a fixed value such as the aluminum content of aluminum plated zinc coating 55%?
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Zinc-aluminum-magnesium coated steel plate is a new type of coated product, and it is also a field that many domestic steel mills have been involved in in recent years.
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