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Production method of 6063 aluminium alloy section

A technology of aluminum alloy profiles and production methods, which is applied in the field of aluminum alloy materials, can solve problems such as fluctuations in performance differences, uncontrollable comprehensive properties of profiles, etc., and achieve the effect of excellent comprehensive mechanical properties and good composition uniformity

Inactive Publication Date: 2018-12-04
常熟市长发铝业有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Within the composition range of 6063 aluminum alloy specified in the national standard GB / T3190, different values ​​of chemical composition will result in different material properties. When the range of chemical composition is large, the performance difference will fluctuate in a wide range , so that the comprehensive performance of the profile will be uncontrollable

Method used

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  • Production method of 6063 aluminium alloy section
  • Production method of 6063 aluminium alloy section

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Embodiment 1

[0016] The present embodiment provides a kind of production method of 6063 aluminum alloy profile, and it comprises the following steps:

[0017] (a) Heat the aluminum alloy ingot to 400°C and keep it warm for 2 hours; the aluminum alloy ingot includes the following components in mass percentage, Si: 0.53%, Fe: 0.15%, Cu: 0.16%, Mn: 0.04%, Mg: 0.92%, Cr: 0.06%, Zn: 0.04% and Ti: 0.04%, the balance is Al and unavoidable impurities;

[0018] (b) heating the extrusion die to a temperature higher than that of the aluminum alloy ingot (usually about 20°C higher than the temperature of the aluminum alloy ingot), and keeping it warm;

[0019] (c) extruding the aluminum alloy ingot so that it passes through an extrusion die at a speed of 1 to 1.5 cm / min to obtain an aluminum alloy profile;

[0020] (d) Heat the aluminum alloy profile to 515°C, keep it warm for 120 minutes, and then carry out water cooling in the quenching zone (water temperature is 60-80°C); then keep it at 170°C for...

Embodiment 2

[0022] This embodiment provides a production method of 6063 aluminum alloy profiles, which is basically the same as that in Embodiment 1, except that the aluminum alloy ingot includes the following components in mass percentages, Si: 0.57%, Fe: 0.15%, Cu: 0.20%, Mn: 0.04%, Mg: 0.88%, Cr: 0.10%, Zn: 0.04%, and Ti: 0.04%, and the balance is Al and unavoidable impurities.

Embodiment 3

[0024] This embodiment provides a production method of 6063 aluminum alloy profiles, which is basically the same as that in Embodiment 1, except that the aluminum alloy ingot includes the following components in mass percentage, Si: 0.54%, Fe: 0.13%, Cu: 0.17%, Mn: 0.03%, Mg: 0.89%, Cr: 0.07%, Zn: 0.03%, and Ti: 0.03%, and the balance is Al and unavoidable impurities.

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Abstract

The invention discloses a production method of 6063 aluminium alloy section. The production method comprises following steps: a, aluminium alloy ingot casting is heated to 400 to 450 DEG C for longerthan 2h of thermal insulation treatment, wherein the aluminium alloy ingot casting comprises, by mass, 0.53 to 0.57% of Si, Fe<=0.15%, 0.16 to 0.2% of Cu, Mn<0.05%, 0.88 to 0.92% of Mg, 0.06 to 0.10%of Cr, Zn<0.05%, Ti<0.05%, and the balance Al and unavoidable impurities; b, an extrusion die is heated to a temperature higher than the temperature of the aluminium alloy ingot casting, and thermal insulation treatment is carried out; c, the aluminium alloy ingot casting is subjected to extrusion through passing through of the extrusion die at a speed of 1 to 1.5cm / min; d, the obtained aluminiumalloy section is heated to 515 to 525 DEG C, thermal insulation is carried out for 30 to 120min, water cooling is carried out in a quenching zone, thermal insulation is carried out for 4 to 8min at 170 to 180 DEG C, and aging treatment is carried out so as to obtain the 6063 aluminium alloy section excellent in tissue and component uniformity, performance, and comprehensive mechanical properties.

Description

technical field [0001] The invention belongs to the field of aluminum alloy materials and relates to an aluminum alloy profile, in particular to a production method of a 6063 aluminum alloy profile. Background technique [0002] 6063 aluminum alloy is widely used in the frame of aluminum doors, windows and curtain walls in buildings. In order to ensure that doors, windows and curtain walls have high wind pressure resistance, assembly performance, corrosion resistance and decorative performance, the requirements for the comprehensive performance of aluminum alloy profiles are much higher than those of industrial Profile standard. Within the composition range of 6063 aluminum alloy specified in the national standard GB / T3190, different values ​​of chemical composition will result in different material properties. When the range of chemical composition is large, the performance difference will fluctuate in a wide range , so that the overall performance of the profile will be o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C21/08C22F1/047
CPCC22C21/08C22F1/047
Inventor 蒋剑飞
Owner 常熟市长发铝业有限公司
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