Production process of 5-series aluminum alloy profile

A technology of aluminum alloy profiles and production process, which is applied in the field of aluminum alloy manufacturing, can solve the problems that the surface quality of aluminum alloy profiles, the tensile properties and corrosion resistance of aluminum alloys cannot meet the needs of customers at the same time, so as to accelerate the hardening rate and increase the hardness , Improve the effect of alloy plasticity

Inactive Publication Date: 2020-04-17
YINGKOU ZHONGWANG ALUMINUM CO LTD
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  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0004] In view of this, the present invention provides a 5-series aluminum alloy profile in order to solve the problem that the surface quality of the aluminum alloy profile, the tensile properties of the alumin

Method used

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Examples

Experimental program
Comparison scheme
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Embodiment 1

[0025] A production process of 5 series aluminum alloy profiles, comprising the following steps:

[0026] A. Prepare 5-series aluminum alloy raw materials according to the following ratios in parts by weight: Si 0.08%, Fe 0.3%, Cu 0.1%, Mn 0.1%, Mg: 2.2%, Cr: 0.1%, Ti: 0.15%, and impurities total 0.10% %, the balance is Al, the prepared 5-series aluminum alloy raw materials are added into the smelting furnace and evenly mixed to be smelted into a liquid aluminum alloy.

[0027] B. The aluminum alloy round ingot obtained in step A is subjected to secondary homogenization treatment, the homogenization system is 560°C×20h+300°C×8h, and then cooled to 440°C in a natural furnace;

[0028] C, the aluminum alloy round ingot after the homogenization treatment of step B is placed in the extruder and extruded, the extruder is a 75MN horizontal extruder, the diameter of the extruder is 380mm, and the extrusion ratio of the extruder cylinder 67~68, in which the aluminum alloy ingot adopt...

Embodiment 2

[0033] The difference between Example 2 and Example 1 is that in Step A, the 5-series aluminum alloy raw materials are prepared according to the following weight ratios: Si 0.08%, Fe 0.2%, Cu 0.1%, Mn 0.1%, Mg: 2.2%, Cr: 0.1%, Ti: 0.15%, the total amount of impurities is 0.10%, and the balance is Al.

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PUM

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Abstract

The invention belongs to the technical field of aluminum alloy manufacturing, and relates to a production process of a 5-series aluminum alloy profile. 5-series aluminum alloy raw materials comprise less than or equal to 0.08% of Si, less than or equal to 0.3% of Fe, less than or equal to 0.1% of Cu, less than or equal to 0.1% of Mn, 2.2-2.3% of Mg, 0.1-0.2% of Cr, 0.15-0.2% of Ti, less than or equal to 0.05% of single impurity, less than or equal to 0.15% of total impurities, and the balance being Al. A round aluminum alloy cast ingot after casting is subjected to secondary homogenization treatment, the homogenization system comprises homogenization for 20 h at the temperature of 560 DEG C and homogenization for 8 h at the temperature of 300 DEG C, and the problem that the surface quality, the aluminum alloy tensile property and the corrosion resistance of the aluminum alloy profile cannot meet the requirements of customers at the same time when a conventional production process is adopted for producing the 5-series aluminum alloy profile is solved.

Description

technical field [0001] The invention belongs to the technical field of aluminum alloy manufacturing, and relates to a production process of 5-series aluminum alloy profiles. Background technique [0002] Aluminum is one of the most abundant elements in the earth's crust, with a content of 8.8%, ranking first among the four major metal elements and accounting for 1 / 3 of the entire mass of metal elements. Due to the improvement of aluminum technology, the aluminum industry is developing at an astonishing speed. By 2004, the world's aluminum output reached 29.8 million tons, of which my country's output was 6.8 million tons, ranking third in the world, and there were more than a thousand kinds of aluminum alloys. Due to the development of aluminum materials, the processing technology of aluminum has also been advanced by leaps and bounds. Due to its light weight, high specific strength, good low temperature performance, good plasticity, easy processing, and corrosion resistan...

Claims

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Application Information

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IPC IPC(8): C22C21/08C22C21/06C22F1/047
CPCC22C21/06C22C21/08C22F1/047
Inventor 王宇航王春波李彬欧超林海洋蒋政新
Owner YINGKOU ZHONGWANG ALUMINUM CO LTD
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