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Production process of 5083H321 aluminum alloy plates

A technology of aluminum alloy plate and production process, which is applied in the field of production process of 5083H321 aluminum alloy plate, can solve the problems of complicated production process, poor product performance uniformity, and affecting the finished product rate of aluminum alloy plate, so as to reduce production links and ensure precise control Effect

Inactive Publication Date: 2015-03-25
SOUTHWEST ALUMINUM GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The original production process of 5083H321 aluminum alloy sheet is: hot rolled wool - pre-annealing - 2800mm cold rolling - finished product annealing - pre-shearing - about 3% cold pressing - straightening - sawing, the existing production process is complicated and the product performance is uniform Poor, which affects the yield of 5083H321 aluminum alloy sheet

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] The 5083H321 aluminum alloy ingot of 510×2000×3500mm was selected as the material, and it was hot-rolled twice in a rolling mill of 4300mm wide and 2800mm, with the same reduction each time, and the hot-rolling temperature was 430°C; Cutting, and finally nine-roll straightening and sawing to obtain 5083H321 aluminum alloy plates of 8×2220×4264mm.

[0030] According to the above method, 100 pieces of 5083H321 aluminum alloy plates were produced, and finally their performance was tested, and the qualified rate of finished products was 63%.

Embodiment 2

[0032] The 5083H321 aluminum alloy ingot of 510×2000×3500mm was selected as material, and it was hot-rolled three times in a rolling mill of 4300mm wide and 2800mm, with the same reduction each time, and the hot-rolling temperature was 450°C; then the obtained coil was sheared , and finally carry out nine-roll straightening and sawing to obtain a 5083H321 aluminum alloy plate of 8×2220×4264 mm.

[0033] According to the above method, 100 pieces of 5083H321 aluminum alloy plates were produced, and finally their performance was tested, and the qualified rate of finished products was 65%.

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PUM

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Abstract

The invention provides a production process of 5083H321 aluminum alloy plates. The production process includes the steps of A, subjecting 5083H321 aluminum alloy ingots to hot finish rolling, and shearing and straightening a 5083H321 aluminum alloy coil subjected to hot finish rolling; B, sawing the aluminum alloy coil acquired in the step A to form 5083H321 aluminum plates. During the production of the 5083H321 aluminum alloy plates, the aluminum alloy ingots are directly made into finished products by hot finish rolling, and the finished products are sheared, straightened and sawed to obtain the 5083H321 aluminum alloy plates; the rolled products are sheared, straightened and sawed to obtain the 5083H321 aluminum alloy plates; only the hot finish rolling is performed in the production, other production steps are omitted, and accurate control of the rolling is guaranteed; through following shearing, straightening and the sawing, the 5083H321 aluminum alloy plates high in yield are obtained.

Description

technical field [0001] The invention relates to the technical field of production technology of aluminum alloy plates, in particular to a production process of 5083H321 aluminum alloy plates. Background technique [0002] Aluminum alloy sheet has the characteristics of light weight, excellent forming, high strength, high elongation, good corrosion resistance and renewable properties. It is the best choice for reducing vehicle weight, reducing energy consumption and improving transportation efficiency. Compared with traditional steel trucks, all-aluminum alloy trucks are lighter in weight, longer in service life, and have a larger payload. [0003] 5083-H321 aluminum alloy is a high-magnesium alloy, which has good strength, corrosion resistance and machinability among non-heat-treatable alloys, making it widely used in marine applications such as ships, automobiles, aircraft weldments, subway light rails, where strict fire protection is required Pressure vessels, refrigerati...

Claims

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Application Information

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IPC IPC(8): B23P15/00
CPCB21C37/02
Inventor 王能均滕明和
Owner SOUTHWEST ALUMINUM GRP
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