Most of the 1050 and 1060 series are in circulation on the market. 1000 series aluminum plate according to the last two Arabic numerals to determine the minimum aluminum content of this series, such as 1050 series the last two Arabic numerals for 50, according to the international brand naming principle, aluminum content must reach 99.5% above for qualified products. China's aluminum alloy technical standards (gB/ t3880-2006) also clearly stipulated that 1050 aluminum content reached 99.5%. The same reason 1060 series aluminum plate aluminum content must reach more than 99.6%. Two series :2000 series aluminum alloy stands for 2024, 2A16 (LY16), 2A02 (LY6). The characteristic of 2000 series aluminium plate is hardness is higher, among them content of copper element is highest, be in probably 3-5% left and right sides. The 2000 series aluminum rods belong to aviation aluminum and are infrequently used in conventional industry. Three series :3000 series aluminum alloy is mainly represented by 3003 and 3A21. China 3000 series aluminum plate production process is relatively excellent. The 3000 series aluminum bar is made of manganese. With a content between 1.0 and 1.5, it is a series with better anti-rust function. Four series :4000 series aluminum bars are represented as 4A01 4000 series aluminum plates belong to the series with high silicon content. The silicon content is usually between 4.5 and 6.0%. It belongs to building materials, forging materials and welding materials for mechanical parts; Low melting point, good corrosion resistance.
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