ASTM B209 2024 aluminum alloy sheet
1050 aluminum plate with a series of pure aluminum products, and 1060 series of chemical composition and mechanical properties of the near, and now the application of basic 1060 aluminum plate with a replacement. 1050 series of the last two Arabic numerals to 50, according to the international brand naming principle, aluminum content must reach more than 99.5% for qualified products. China's aluminum alloy technical standards (GB / T3880-2006) also clearly stipulates that 1050 aluminum content reached 99.5%. Because it does not contain other technical elements, so the production process is relatively simple, the price is relatively cheap, is the most commonly used in conventional industry a series. Industrial pure aluminum has a high plasticity, corrosion resistance, electrical conductivity and good thermal conductivity characteristics, but the strength is low, not through the heat treatment to strengthen, cutting is not good, acceptable contact welding, gas welding.
characteristic
Industrial aluminum has the general characteristics of aluminum, low density, conductive, good thermal conductivity, good corrosion resistance, good plastic processing performance, can be processed into a plate, belt, foil and extruded products, can be gas welding, spot welding.
Industrial pure aluminum can not heat treatment to strengthen, can improve the strength by cold deformation, the only heat treatment is the form of annealing, recrystallization temperature and impurity content and deformation of the relevant, generally around 200 ºC. Annealed sheet σb = 80 ~ 100MPa, σ0.2 = 30 ~ 50MPa, ζ = 35% ~ 40%, HB = 25 ~ 30. 60% to 80% cold deformation, although the increase can be increased to 150 ~ 180MPa, but the ζ value has dropped to 1% to 1.5%. Increased iron and silicon impurity content can improve the strength, but reduce the plasticity, conductivity and corrosion resistance. 1200 (L5) industrial pure aluminum plate annealing softening characteristics and cold hardening characteristics shown in the figure. It can be seen from the figure that the mechanical properties of different cold hardening states can be obtained by adjusting the annealing temperature after cold deformation or controlling the amount of cold deformation after annealing. In order to improve the formability, take the former method as well.
use
1050 aluminum belt is often used in daily necessities, lighting, reflector, decorations, chemical industry containers, heat sinks, signs, electronics, lamps, nameplates, electrical appliances, stamping parts and other products. In some applications where corrosion resistance and formability are high, but the strength requirements are not high, chemical equipment is its typical use.
chemical component%
| Ti |
Cu |
Mg |
Cr |
Fe |
Zn |
Mn |
Si |
Al |
| 0.1 |
0.10 |
0.6~1.2 |
0.25 |
0.5 |
0.2 |
0.40~1.0 |
0.7~1.3 |
reste |
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