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6A02 aluminum alloy round ingot and production process thereof

A production process and round ingot technology, applied in the field of 6A02 aluminum alloy round ingot and its production process, can solve problems such as poor quality, and achieve the effects of strong plasticity, reduced brittleness, and reduced tendency

Active Publication Date: 2013-07-17
四川阳光坚端铝业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 6A02 aluminum alloy has medium strength, high plasticity under annealing and hot state, and the plasticity after quenching and natural aging is acceptable, but the corrosion resistance in this state can be compared with that of 5A02.3A21, and the artificial aging state alloy has intergranular corrosion Tendency, can be cut after quenching but not good after annealing, the alloy can be spot welded, hydrogen atom welded or gas welded

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] Example 1 : The components of 6A02 aluminum alloy round ingot are by weight percentage: Cu: 0.45%, Mg: 0.75%, Mn: 0.3%, Si: 0.9%, other total: 0.1%, Al: the balance, of each component The sum is 100%.

[0020] A kind of 6A02 aluminum alloy round ingot production technology, it comprises the following steps:

[0021] S1: Ingredients: Al99.70 aluminum ingots and 6063 scraps are used as raw materials, and the weight percentages are: 60% to 70% of Al99.70 aluminum ingots, 30% to 40% of 6063 scraps, and the ingredients are calculated to determine the aluminum ingots, 6063 The addition amount of waste materials and various element additives, aluminum titanium boron is added according to 3Kg / t;

[0022] S2: Melting: The melting temperature is 720-730°C, and the melting includes the following sub-steps:

[0023] S21: Fill aluminum ingots and 6063 waste into a melting furnace for melting, and perform slag removal after the metal is completely melted;

[0024] S22: Add alloy ...

Embodiment 2

[0029] Example 2 : The composition of 6A02 aluminum alloy round ingot by weight percentage is: Cu: 0.35%, Mg: 0.6%, Mn: 0.2%, Fe: 0.25%, Si: 1.0%, Zn: 0.15%, Ti: 0.1%, Other total: 0.1%, Al: balance, the sum of each component is 100%.

[0030] The steps of the production process of the 6A02 aluminum alloy round ingot are the same as in Example 1.

Embodiment 3

[0031] Example 3 : The composition of 6A02 aluminum alloy round ingot by weight percentage is: Cu: 0.5%, Mg: 0.7%, Mn: 0.25%, Fe: 0.2%, Si: 0.65%, Zn: 0.1%, Ti: 0.05%, Other total: 0.1%, Al: balance, the sum of each component is 100%.

[0032] The steps of the production process of the 6A02 aluminum alloy round ingot are the same as in Example 1.

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PUM

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Abstract

The invention discloses a 6A02 aluminum alloy round ingot. The aluminum alloy material is composed of, by weight percentage, 0.35-0.5% of Cu, 0.6-0.75% of Mg, 0.2-0.3% of Mn, > / =0.25% of Fe, 0.65-1.0% of Si, < / =0.15% of Zn, < / =0.15% of Ti, < / =0.1% of other total, and the balance Al, and the total is 100%. A production process of the 6A02 aluminum round ingot includes steps of burdening, smelting, refining, casting and cast rod examining. The technical scheme further determines component parameters of the 6A02 aluminum alloy round ingot within a national standard range, reduces content of Zn and Fe elements, and can lower brittleness of castings, improve cracking resistance and reduce tendency, produced aluminum alloy is high in plasticity and good in anticorrosion performance.

Description

technical field [0001] The invention relates to a 6A02 aluminum alloy round ingot and a production process thereof, belonging to the technical field of nonferrous metal processing. Background technique [0002] Aluminum is an extremely abundant metal element on the earth, and has high specific strength and elastic modulus, high electrical conductivity and high thermal conductivity, and excellent corrosion resistance. In 1921, the world's aluminum output was 203,000 tons, in 1988 it reached 17.8 million tons, and in 2003 it reached 24 million tons. The scale of my country's aluminum industry ranks third in the world, with an annual production capacity of 4 million tons of electrolytic aluminum. Aluminum has become the second largest metal material after steel in my country, and it plays an increasingly important role in modern national life. However, my country's per capita aluminum consumption is only 1 / 20 of that of the United States, and 70%-80% of high-performance alumi...

Claims

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Application Information

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IPC IPC(8): C22C21/02C22C21/08C22C1/06B22D7/00
Inventor 廖健
Owner 四川阳光坚端铝业有限公司
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