The grade of aluminum alloy
The grade of aluminum alloy represents their strength, the higher the strength, the better, but the strength is also related to the process. T6 is the meaning of aging, that is, to make the strength of aluminum alloy better. Specific meaning is the first digit indicates the classification code :1 -- industrial pure aluminum,2 -- aluminum copper series; 3 - aluminum manganese series; 4 - aluminum silicon series; 5 - aluminum magnesium series; 6 - aluminum silicon magnesium series; 7 - aluminum magnesium zinc copper series; 8 -- Aluminum and other elements
Deformation aluminum alloy processing state: four basic states F O T H
F Processing state
H Strain hardening state
O annealing state
T heat treatment state
H112 is only work hardening state, and the work hardening degree or annealing degree is not adjusted
T4 solid solution treatment and natural efficiency reached a fully stable state
T5 The state of artificial aging after cooling in high temperature hot processing
T6 Artificial aging state after solution treatment
The concept of aluminum coil
Aluminum coil is a metal product for flying shearing after calendering and drawing Angle processing by casting and rolling machine. Widely used in electronics, packaging, construction, machinery and other aspects, our country aluminum volume production enterprises, the production technology has caught up with the developed countries, according to the metal elements aluminum volume contains different, aluminum plate can be divided into 9 major, that is, can be divided into 9 series, the following is gradually introduced
1000 series represents 1050, 1060, 1070 1000 series aluminum plate is also known as pure aluminum plate, in all series 1000 series belongs to a series with the largest amount of aluminum. The purity can reach more than 99.00%. Because 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 industry at present. At present, most of the 1050 and 1060 series are in circulation in the market. The minimum aluminum content of 1000 series aluminum plate is determined according to the last two Arabic digits. For example, the last two Arabic digits of 1050 series are 50. According to the international naming principle, the aluminum content must reach 99.5% or more to be qualified products. The technical standard of aluminum alloy in China (gB/T3880-2006) also clearly stipulates that the aluminum content of 1050 reaches 99.5%. In the same way, 1060 series aluminum plate must contain more than 99.6% aluminum.
2. 2000 series aluminum plate on behalf of 2A16 (LY16) 2A06 (LY6) 2000 series aluminum plate is characterized by high hardness, which is the highest content of copper, about 3-5%. 2000 series aluminum plate belongs to aviation aluminum material, which is not often used in conventional industry. At present, the manufacturers of 2000 series aluminum plates are less. The quality cannot be compared with that of foreign countries. At present, the imported aluminum sheet is mainly supplied by Korean and German manufacturers. With the development of China's aerospace industry, 2000 series aluminum plate production technology will be further improved.
3.3000 series aluminum plate represents 3003, 3003, 3A21. It can also be called rust-proof aluminum plate in China 3000 series aluminum production process is excellent. 3000 series aluminum plate is made of manganese as the main component. The content is between 1.0 and 1.5. It is a series with better rust prevention function. Commonly used in air conditioning, refrigerator, car bottom and other humid environment, the price is higher than 1000 series, is a relatively common alloy series.
The 4000 series aluminum plate represents 4A01 4000 series aluminum plate belongs to the series with higher silicon content. The silicon content is usually between 4.5 and 6.0%. Belongs to construction materials, mechanical parts, forging materials, welding materials; Low melting point, good corrosion resistance Product Description: Heat resistance, wear resistance.
The FIVE 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, magnesium content between 3-5%. Can also be called aluminum magnesium alloy. The main characteristics are low density, high tensile strength, high elongation. The weight of aluminum-magnesium alloy is lower than other series under the same area. It is often used in aviation, such as aircraft fuel tank. It is also widely used in conventional industry. The processing technology is continuous casting and rolling, which belongs to the hot rolled aluminum plate series, so it can do deep oxidation processing. 5000 series aluminum plate belongs to one of the more mature aluminum plate series in China.
The 66000 series represents 6061 mainly contains magnesium and silicon two elements, so the advantages of 4000 series and 5000 series are concentrated. 6061 is a cold-treated aluminum forging product, suitable for applications with high requirements for corrosion resistance and oxidation. Good usability, excellent interface features, easy coating, good processing. It can be used in low pressure weapons and aircraft joints. General characteristics of 6061: excellent interface characteristics, easy coating, high strength, good usability, strong corrosion resistance. Typical uses of aluminum: aircraft parts, camera parts, couplers, Marine accessories and hardware, electronic accessories and fittings, decorative or various hardware, hinge heads, magnetic heads, brake pistons, hydraulic pistons, electrical accessories, valves and valve parts.
7000 series represents 7075 which contains zinc mainly. Also belongs to the aviation series, is aluminum magnesium zinc copper alloy, is a heat treatable alloy, belongs to the super hard aluminum alloy, has good wear resistance.7075 aluminum plate is eliminated by stress, processing will not deformation, warping. All ultra-large and ultra-thick 7075 aluminum plate all by ultrasonic detection, can ensure no trachhole, impurities. High thermal conductivity of 7075 aluminum plate, can shorten the molding time, improve work efficiency. 7075 is a high hardness, high strength aluminum alloy, often used in the manufacture of aircraft structures and futures. It requires high strength, corrosion resistance of high stress structural parts, mold manufacturing. Rely on import basically at present, the production craft of our country still needs to be improved. (The company once had a foreign company put forward the domestic 7075 aluminum plate annealing is not uniform, the surface and internal hardness of the aluminum plate is not consistent)
8000 series The 8011 is more commonly used and belongs to other series. In my memory, the main function of aluminum plate is to make bottle caps. It is also used in radiators, and most of the applications are aluminum foil. Not very often.
9000 series belongs to the standby series, science and technology is so developed now, in order to deal with the aluminum plate containing other alloy elements, the international aluminum plate federation special show 9000 series for the standby series, waiting for a new variety to fill the gap of 9000 series.