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Aluminum alloy ingot for remelting and preparation process thereof

An aluminum alloy ingot and a preparation process technology, which are applied in the field of aluminum alloy ingot for remelting and its preparation process, can solve problems such as poor corrosion resistance, and achieve the effect of improving toughness and corrosion resistance

Inactive Publication Date: 2019-03-08
江苏奋杰有色金属制品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Its mechanical properties and machinability are good, but its corrosion resistance is slightly worse, and its tensile strength and toughness also have room for improvement

Method used

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Embodiment Construction

[0023] In order to have a further understanding of the purpose, structure, features, and functions of the present invention, the following detailed descriptions are provided in conjunction with the embodiments.

[0024] The invention provides an aluminum alloy ingot for remelting, the mass fraction of each element of the aluminum alloy ingot is Si8.5-9.5%, Fe≤0.45%, Mg0.15-0.25%, Cu2.4-2.8%, Zn≤0.9%, Sn≤0.2%, and the balance is Al.

[0025] Preferably, the mass fraction of each element of the aluminum alloy ingot is Si8.9-9.2%, Fe≤0.42%, Mg0.15-0.22%, Cu2.5-2.6%, Zn≤0.85%, Sn≤0.15%, The balance is all Al.

[0026] Preferably, the weight range of the aluminum alloy ingot is 5Kg-6Kg.

[0027] The standard ratio of ADC10 aluminum alloy is: Si7.5-9.5%, Fe≤0.9%, Mg≤0.3%, Cu2.0-4.0%, Zn≤1.0%, Sn≤0.3%, Mn≤0.5%, Ni≤ 0.5%. The balance is Al, but in the present invention, the content of Cu and Fe is appropriately reduced within the allowable range, the Si content is appropriately in...

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PUM

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Abstract

The invention provides an aluminum alloy ingot for remelting. The aluminum alloy ingot comprises the following components of, 8.5-9.5% of Si, less than or equal to 0.45% of Fe, 0.15-0.25% of Mg, 2.4-2.8% of Cu, less than or equal to 0.9% of Zn, less than or equal to 0.2% of Sn, and the balance Al; and the preparation process of the aluminum alloy ingot for the remelting is provided, comprises thefollowing steps of burdening, feeding and melting, alloying, deslagging refining, degassing refining, casting, after-furnace detection, ingot stacking packaging, weight checking and warehousing and the like. According to the aluminum alloy ingot and the process, the content components of a standard ADC 10 aluminum alloy is finely adjusted, the content of the Cu is properly reduced, the content ofthe Si is properly rose, and the content of the Fe is properly reduced, so that the toughness and corrosion resistance of the ADC10 aluminum alloy can be further improved.

Description

technical field [0001] The invention relates to the field of nonferrous metals, in particular to an aluminum alloy ingot for remelting and a preparation process thereof. Background technique [0002] Aluminum alloy ingots are made of pure aluminum and recycled aluminum, and other elements are added according to international standards or special requirements, such as: silicon (Si), copper (Cu), magnesium (Mg), iron (Fe)..., to improve the casting process of pure aluminum Alloys formulated with deficiencies in properties, chemical properties and physical properties. It is suitable for casting and can make castings have good performance. ADC10 contains the balance of aluminum (Al), copper (Cu) 2.0-4.0, silicon (Si) 7.5-9.5, magnesium (Mg) ≤ 0.3, zinc (Zn) ≤ 1.0, iron (Fe) ≤ 0.9, manganese (Mn) ≤0.5, nickel (Ni) ≤0.5, tin (Sn) ≤0.3. ADC10 has good castability and pressure resistance, and is suitable for manufacturing large die castings. Its mechanical properties and machina...

Claims

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Application Information

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IPC IPC(8): C22C21/02C22C1/02C22C1/06
CPCC22C1/026C22C1/06C22C21/02
Inventor 蒋冬晴颜杰邓晓军何根付
Owner 江苏奋杰有色金属制品有限公司