5A12 aluminum alloy cast ingot as well as production method and application thereof
An aluminum alloy ingot, 5A12 technology, applied in the field of alloy processing, can solve the problems of complex wide casting technology and high technical requirements, and achieve the effects of good internal structure, large flow rate and good plasticity of finished products.
Active Publication Date: 2018-12-18
HENAN MINGTAI AL INDUSTRIAL CO LTD
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Problems solved by technology
The 5A12 aluminum alloy ingot produced by the technical solution of the present invention can effectively improve the technical problems of producing large-scale 5A12 aluminum alloy ingots in the prior art, such as high equipment, technical requirements, and complicated wide-width casting technology, and can solve the problems that can only be produced Technical problems of aluminum alloy round rod
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Embodiment 1
[0031] The 5A12 aluminum alloy ingot of the present invention, the mass percent content of each alloy element in the 5A12 aluminum alloy ingot is: Si≤0.15%, Fe 0.15%, Cu≤0.05%, Mn 0.55%, Mg 9.0%, Cr≤0.1 %, Ni≤0.1%, Zn≤0.1%, Ti 0.08%, Be 0.0015%, Sb 0.02%, other impurity elements <0.05%, and the balance is Al;
Embodiment 2
[0033] The 5A12 aluminum alloy ingot of the present invention, the mass percent content of each alloy element in the 5A12 aluminum alloy ingot is: Si≤0.15%, Fe 0.2%, Cu≤0.05%, Mn 0.6%, Mg 9.3%, Cr≤0.1 %, Ni≤0.1%, Zn≤0.1%, Ti 0.07%, Be 0.002%, Sb 0.015%, other impurity elements <0.05%, and the balance is Al;
Embodiment 3
[0035] The 5A12 aluminum alloy ingot of the present invention, the mass percent content of each alloy element in the 5A12 aluminum alloy ingot is: Si≤0.15%, Fe 0.1%, Cu≤0.05%, Mn 0.5%, Mg 8.8%, Cr≤0.1 %, Ni≤0.1%, Zn≤0.1%, Ti 0.09%, Be 0.001%, Sb 0.01%, other impurity elements <0.05%, and the balance is Al;
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Abstract
The invention discloses a 5A12 aluminum alloy cast ingot as well as a production method and application thereof and relates to the technical field of alloy processing. The 5A12 aluminum alloy cast ingot is prepared from the following alloy elements in percentage by mass: smaller than or equal to 0.15 percent of Si, 0.1-0.2 percent of Fe, smaller than or equal to 0.05 percent of Cu, 0.5-0.6 percent of Mn, 8.8-9.3 percent of Mg, smaller than or equal to 0.1 percent of Cr, smaller than or equal to 0.1 percent of Ni, smaller than or equal to 0.1 percent of Zn, 0.07-0.09 percent of Ti, 0.001-0.002percent of Be, 0.01-0.02 percent of Sb, smaller than 0.05 percent of other impurity elements and the balance of Al. The production method comprises the following steps of smelting, burdening, refining, still standing and casting of aluminum alloy scraps and an aluminum ingot for remelting to obtain the large-specification 5A12 aluminum alloy cast ingot with the width being 1200-1700mm. By adopting the production method provided by the invention, the technical problems that production of the large-specification 5A12 aluminum alloy cast ingot is high in equipment technical requirements and complex in broad width casting technology and can product a circular cast rod only in the prior art are solved.
Description
1. Technical field: [0001] The invention relates to the technical field of alloy processing, in particular to a 5A12 aluminum alloy ingot and its production method and application. 2. Background technology: [0002] In recent years, China's aluminum industry has developed rapidly. With the large-scale application of alloy materials and the maturity of overall processing and forming technology, the importance of high-performance aluminum alloy thick plates and ultra-thick plates has become more and more prominent. The size requirements are also increasing. The production of high-magnesium and large-sized slabs requires high equipment and technology, and the quality of cast ingot blanks directly affects the quality of aluminum sheet, strip and foil products. The higher the magnesium content, the higher the viscosity of the Al-Mg alloy melt and the worse the fluidity, which makes the effect of degassing and slag removal during the casting process poor. At the same time, due to...
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IPC IPC(8): C22C21/08C22C1/03C22C1/06
CPCC22C1/026C22C1/03C22C1/06C22C21/08
Inventor 李国锋
Owner HENAN MINGTAI AL INDUSTRIAL CO LTD
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