Method for producing high-grade aluminum alloy thin wall tubing
A thin-walled pipe, aluminum alloy technology, applied in the field of aluminum pipe manufacturing, can solve the problems of easy generation of jumping rings and ellipses, low quality of finished products, reduced tensile strength, etc., and achieves good corrosion resistance and fatigue resistance. High rate and light weight effect
Active Publication Date: 2013-04-10
SOUTHWEST ALUMINUM GRP
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Problems solved by technology
[0004] Due to the above-mentioned characteristics of the PX99 aluminum alloy, in the production method provided by the prior art, the parameters of the process (including melting and casting, homogenizing annealing, extrusion, rolling annealing and reducing annealing, etc.) low quality
For example, because the annealing temperature of rolling annealing is not very suitable, resulting in cracks in the tube material and the decrease of tensile strength; for example, because the annealing system of reducing diameter is not set very reasonably, it is easy to produce ring skipping and ellipse during reducing diameter and other defects
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[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention belong to the protection scope of the present invention.
[0018] Taking the production of high-grade PX99 aluminum alloy thin-walled pipes as an example, the method for producing high-grade aluminum alloy thin-walled pipes provided by the present invention will be described below.
[0019] Please refer to the attached figure 1 , is a method for producing a high-grade aluminum alloy thin-walled pipe provided by an embodiment of the present invention. attached figure 1 In the exemplary production method of high-grade aluminum alloy thin-walled pipes, the main c...
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The invention provides a method for producing a high-grade aluminum alloy thin wall tubing. The method comprises the following processing steps: fusing and casting, homogenously annealing a casted ingot; rolling and annealing which comprise annealing the extruded tubing and then rolling; reducing diameter and annealing which comprise annealing the rolled tubing and then reducing the diameter. According to the invention, the method for producing the high-grade aluminum alloy thin wall tubing is capable of producing the aluminum alloy thin wall tubing with light weight, high strength and good corrosion resistance and good fatigue resistance, the yield is high and the wall tubing can meet the requirement of the user to the high-grade aluminum alloy thin wall tubing.
Description
technical field [0001] The invention relates to the field of aluminum pipe manufacture, in particular to a method for producing high-grade aluminum alloy thin-wall pipes. Background technique [0002] Along with the rapid development of the economy, the further improvement of the quality of life has driven the rapid development of high-end sports equipment, such as golf course equipment, hiking sticks and camping tent support poles. Since high-end sports equipment has its special requirements, such as light weight, high strength and good fatigue resistance, etc., the materials for manufacturing these high-end sports equipment also have light weight, high strength, corrosion resistance and fatigue resistance. good request. As an aluminum alloy material widely used in high-end sports equipment, PX99 aluminum alloy pipe is one of them. [0003] PX99 aluminum alloy belongs to the Al-Zn-Mg-Cu series aluminum alloy. According to the mass percentage, the Zn content is between 6.8...
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IPC IPC(8): C22C21/10C22C1/02C22F1/053
Inventor 刘红杰杨纯梅段平
Owner SOUTHWEST ALUMINUM GRP