Aluminum alloy pipe capable of being cold bent
A technology of aluminum alloy and pipe, which is applied in the field of aluminum alloy pipe, can solve the problems of large composition range, insufficient strength, difficulty in controlling the hardness of aluminum pipe, etc., and achieve the effect of moderate hardness
Active Publication Date: 2012-12-26
RUGAO HUAYANG ALUMINUM PROD
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Problems solved by technology
However, at present, most of the bent round aluminum tubes have a large range of components, which leads to the difficulty in controlling the hardness of the aluminum tube due to the difference in the formula in production practice: if the hardness of the aluminum tube is low, it is easy to bend, but the strength is not enough ; If the hardness of the aluminum tube is high, it is easy to break when bent and cannot be used
Therefore, the current bending success rate of aluminum alloy pipes is very low, below 5%.
Method used
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[0007] The technical solutions of the present invention will be further specifically described below through specific examples. Provide 6 embodiments below in tabular form, the composition of aluminum alloy tubing and its parts by weight are shown in the following table in each embodiment:
[0008] Proportion content of each component of aluminum alloy pipe (by weight parts)
[0009]
[0010] The preparation methods of each embodiment are the same: first, the materials used are made into aluminum alloy pipes according to the conventional method, and then the aluminum alloy pipes are "framed" and then sent to an aging furnace for heat treatment, heated to 175°C, and kept at 400°C. After about 10 minutes, it will be out of the furnace, and the required aluminum alloy pipe that can be cold-formed will be obtained.
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The invention discloses a cold-bending aluminum alloy tube comprising the following components by weight: cuprum less than 0.02%, iron less than 0.2%, manganese less than 0.005%, chromium less than 0.01%, zincium less than 0.01%, titanium less than 0.01%, silicon of 070-0.72%, magnesium of 0.57-0.59% and aluminum of the rest.The invention possesses the advantages of strength and rigidity of the obtained tube are moderate, the tube is suitable for cold bending and is not easy to break and the success rate of bending of the tube can be over 98%.
Description
technical field [0001] The invention relates to a cold-bending aluminum alloy pipe material. Background technique [0002] At present, round aluminum tubes are widely used, including beach chairs, outdoor furniture, sports equipment, etc., which are widely used in round aluminum tubes. However, at present, most of the bent round aluminum tubes have a large range of components, which leads to the difficulty in controlling the hardness of the aluminum tube due to the difference in the formula in production practice: if the hardness of the aluminum tube is low, it is easy to bend, but the strength is not enough ; If the hardness of the aluminum tube is high, it is easy to break when bent and cannot be used. Therefore, the current bending success rate of aluminum alloy pipes is very low, below 5%. Contents of the invention [0003] The purpose of the present invention is to provide a cold-bendable aluminum alloy pipe material whose strength and hardness are suitable for bend...
Claims
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IPC IPC(8): C22C21/02
Inventor 黄爱华
Owner RUGAO HUAYANG ALUMINUM PROD