Aluminum coil is a metal product that is subjected to flying shear after being rolled by a casting and rolling mill and processed by drawing and bending.
Aluminum coils are widely used in electronics, packaging, construction, machinery, etc. There are many aluminum coil manufacturers in my country, and the production process has caught up with developed countries. According to the different metal elements contained in aluminum coils, aluminum coils can be roughly divided into 9 categories. , that is, it can be divided into 9 series. The following is a step-by-step introduction:
1000 series
Representing the 1000 series aluminum plate is also called pure aluminum plate. Among all series, the 1000 series belongs to the series with the most aluminum content. The purity can reach more than 99.00%. Since it does not contain other technical elements, the production process is relatively simple and the price is relatively cheap. It is the most commonly used series in conventional industries. Most of the circulating on the market are 1050 and 1060 series. The 1000 series aluminum plate determines the minimum aluminum content of this series according to the last two Arabic numerals. For example, the last two Arabic numerals of the 1050 series are 50. According to the international brand naming principle, the aluminum content must reach more than 99.5% to be qualified products. my country's aluminum alloy technical standard (gB/T3880-2006) also clearly stipulates that the aluminum content of 1050 should reach 99.5%. For the same reason, the aluminum content of 1060 series aluminum plate must reach more than 99.6%.
2000 series aluminum plate
Representing 2A16 (LY16) 2A06 (LY6) 2000 series aluminum plate is characterized by high hardness, among which the copper element content is the highest, about 3-5%. 2000 series aluminum sheets belong to aviation aluminum materials, which are not often used in conventional industries. There are few manufacturers producing 2000 series aluminum sheets in my country. The quality cannot be compared with foreign countries. Imported aluminum sheets are mainly provided by South Korean and German manufacturers. With the development of my country's aerospace industry, the production technology of 2000 series aluminum sheets will be further improved.
3000 series aluminum plate
Representative 3003 3003 3A21 mainly. It can also be called anti-rust aluminum plate. The production process of my country's 3000 series aluminum plate is relatively excellent. 3000 series aluminum plate is mainly composed of manganese element. The content is between 1.0-1.5. It is a series with better anti-rust function. It is routinely used in humid environments such as air conditioners, refrigerators, and car bottoms. The price is higher than the 1000 series. It is a more commonly used alloy series.
4000 series aluminum plate
The aluminum plate represented by 4A01 4000 series belongs to the series with higher silicon content. Usually the silicon content is between 4.5-6.0%. It belongs to building materials, mechanical parts, forging materials, welding materials; low melting point, good corrosion resistance Product description: It has the characteristics of heat resistance and wear resistance
5000 series
Represents the 5052.5005.5083.5A05 series. 5000 series aluminum plate belongs to the more commonly used alloy aluminum plate series, the main element is magnesium, and the magnesium content is between 3-5%. Also known as aluminum-magnesium alloy. The main features are low density, high tensile strength and high elongation. In the same area, the weight of aluminum-magnesium alloy is lower than that of other series. Therefore, it is often used in aviation, such as aircraft fuel tanks. It is also widely used in conventional industries. The processing technology is continuous casting and rolling, which belongs to the series of hot-rolled aluminum plates, so it can be deep-processed by oxidation. In my country, the 5000 series aluminum plate belongs to one of the more mature aluminum plate series.
6000 series
On behalf of 6061, it mainly contains two elements, magnesium and silicon, so it concentrates the advantages of 4000 series and 5000 series. 6061 is a cold-treated aluminum forging product, which is suitable for applications with high corrosion resistance and oxidation resistance. Good usability, excellent interface characteristics, easy coating, and good workability. Can be used on low voltage weapons and aircraft joints.
General characteristics of 6061: excellent interface characteristics, easy coating, high strength, good usability, strong corrosion resistance.
Typical uses of 6061 aluminum: aircraft parts, camera parts, couplers, marine accessories and hardware, electronic accessories and joints, decorative or various hardware, hinge heads, magnetic heads, brake pistons, hydraulic pistons, electrical accessories, valves and valve parts .
7000 series
On behalf of 7075 mainly contains zinc element. It also belongs to the aviation series. It is an aluminum-magnesium-zinc-copper alloy, a heat-treatable alloy, and a super-hard aluminum alloy with good wear resistance. The 7075 aluminum plate is stress-relieved and will not be deformed or warped after processing. The thick 7075 aluminum plate is all ultrasonically detected, which can ensure no blisters and impurities. The high thermal conductivity of 7075 aluminum plate can shorten the molding time and improve the work efficiency. The main feature is that the hardness is high. 7075 is an aluminum alloy with high hardness and high strength, which is often used in the manufacture of aircraft structures and futures. It requires high-strength structural parts and mold manufacturing with high strength and strong corrosion resistance. Basically relying on imports, my country's production technology needs to be improved. (The company once had a foreign company that the domestic 7075 aluminum plate was annealed unevenly, and the surface and internal hardness of the aluminum plate were inconsistent)
8000 series
The more commonly used 8011 belongs to other series. In my memory, the main function of the aluminum plate is to make the bottle cap. It is also used in the radiator, and most of the applications are aluminum foil. Less commonly used.
9000 series
It belongs to the spare series, and the technology is so advanced. In order to cope with the appearance of aluminum sheets containing other alloying elements, the International Aluminum Plate and Strip Federation has specially indicated that the 9000 series is a spare series, waiting for another new variety to appear to fill the gap of the 9000 series.

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Aluminum grade comparison table

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