Production method as well as application of 5A03 aluminum alloy ingots and 5A03 aluminum alloy ingots

An aluminum alloy ingot casting and production method technology, which is applied in the field of alloy processing, can solve the problems of complex wide-width casting technology and high technical requirements, and achieve the effects of reducing energy consumption, large passing flow rate, and improved degassing rate

Inactive Publication Date: 2018-06-29
河南明泰科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The first object of the present invention is to provide a method for producing 5A03 aluminum alloy ingots. By melting, batching, refining, standing and casting aluminum alloy scraps and aluminum ingots for remelting, super large ingots with a width of 2400-2850 mm are obtained. Specification 5A03 aluminum alloy ingot, which improves the technical problems in the existing technology that the production of super-large specification 5A03 aluminum alloy ingot requires high equipment and technology, complex wide-width casting technology, and can only produce ingots with a maximum width of 2400mm

Method used

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  • Production method as well as application of 5A03 aluminum alloy ingots and 5A03 aluminum alloy ingots

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Embodiment 1

[0083] A kind of 5A03 aluminum alloy ingot production method provided in this embodiment comprises the following steps:

[0084] (a) Put aluminum alloy scraps and aluminum ingots for remelting into the melting furnace for melting, the weight ratio of aluminum alloy scraps and aluminum ingots for remelting is 0.1:1, then add Al-Si master alloy, Fe additive, Mn additive , pure Mg and other auxiliary materials for batching;

[0085] (b) Import the melt after batching into a tilting static furnace for refining, the refining temperature is 740 ° C, and the refining time is 40 minutes. After refining, the surface scum is cleaned and left for 30 minutes. ℃;

[0086] (c) Pass the melt converter after standing still through the primary filter system, online refining machine, four-rotor continuous degassing device and secondary filter system in sequence, and then pour it into the casting crystallizer for casting. The casting temperature is 695°C. The casting speed is controlled at 45m...

Embodiment 2

[0089] In the method for producing a 5A03 aluminum alloy ingot provided in this embodiment, except that the weight ratio of the aluminum alloy scrap to the aluminum ingot for remelting in step (a) is 1:5, the remaining steps and process parameters are the same as in Embodiment 1.

Embodiment 3

[0091] In the method for producing a 5A03 aluminum alloy ingot provided in this embodiment, except that the casting speed in step (c) is controlled at 55 mm / min, other steps and process parameters are the same as those in Embodiment 1.

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Abstract

The invention provides a production method as well as application of 5A03 aluminum alloy ingots and 5A03 aluminum alloy ingots, and relates to the technical field of alloy processing. The production method of the 5A03 aluminum alloy ingots comprises the steps of smelting an aluminum alloy waste material and unalloyed aluminium ingots for remelting, blending, refining, standing and casting, whereinin the casting process, a two-stage filtration system and a four-rotor continuous degassing system are adopted; after the production method is adopted, oversized 5A03 aluminum alloy ingots having widths of 2400-2850mm are obtained, the technical problems that in the prior art, the production of the oversized 5A03 aluminum alloy ingots is high in requirements for equipment and technology and complicated in wide-width casting technology, and the ingots with maximum widths of 2400mm only can be produced are solved. The invention also provides the 5A03 aluminum alloy ingots, which are processed by using the production method.

Description

technical field [0001] The invention relates to the technical field of alloy processing, in particular to a production method of a 5A03 aluminum alloy ingot, and the 5A03 aluminum alloy ingot and its application. Background technique [0002] In recent years, China's aluminum industry has developed rapidly. In the aluminum processing industry, especially for wide-width aluminum rolled products, domestic melting and casting, casting equipment and technology are generally backward, resulting in the need for high funds to purchase foreign large-size slabs every year. The production of super-large slabs requires high equipment and technology. The quality of cast ingot blanks directly affects the quality of aluminum sheet, strip and foil products, and the wide-width casting technology is complicated. At present, the width of wide-width ingots produced in China is up to 2400mm, which cannot fully meet the production of aluminum alloy plates and strips for aviation, aerospace, and...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C1/02C22B9/16C22B9/02B22D7/00
CPCB22D7/00C22B9/023C22B9/16C22C1/026
Inventor 李国锋
Owner 河南明泰科技发展有限公司
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