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Aluminum alloy strip for bottle type easy open can with threaded mouth and manufacturing method for aluminum alloy strip

A technology of aluminum alloy strips and screw-top bottles, which is applied in the field of preparation of aluminum alloy strips to achieve excellent performance, meet performance requirements, and good formability

Inactive Publication Date: 2016-12-14
CHINALCO RUIMIN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, there is no patent related to this kind of product in China

Method used

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Examples

Experimental program
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Effect test

Embodiment 1

[0019] An aluminum alloy strip for bottle-type pop cans with a screw top, the chemical composition of which is calculated by mass fraction: Si: 0.20wt%; Fe: 0.35wt%; Cu: 0.10wt%; Mn: 0.80wt%; Mg: 1.00 wt%; Ti: 0.010wt%; the rest is Al and unavoidable impurities.

[0020] The manufacturing method of the aluminum alloy strip for bottle-type pop cans with a threaded mouth includes the steps of smelting, refining, on-line degassing, filtering, casting, sawing, milling, soaking, continuous hot rolling and cold rolling; the specific steps are as follows:

[0021] (1) Aluminum alloy ingots are obtained by semi-continuous casting after smelting, refining, on-line degassing and filtering of aluminum ingots; the melting temperature is 710°C, and the degassing and filtering uses a double-rotor degassing and two-stage filtration system , the casting temperature is 675℃;

[0022] (2) Soak the aluminum alloy ingot obtained in step (1) after sawing and milling. During the soaking process, t...

Embodiment 2

[0026] An aluminum alloy strip for bottle-type pop cans with a screw top, the chemical composition of which is calculated by mass fraction: Si: 0.40wt%; Fe: 0.55wt%; Cu: 0.25wt%; Mn: 1.10wt%; Mg: 1.30 wt%; Ti: 0.030wt%; the rest is Al and unavoidable impurities.

[0027] The manufacturing method of the aluminum alloy strip for bottle-type pop cans with a threaded mouth includes the steps of smelting, refining, on-line degassing, filtering, casting, sawing, milling, soaking, continuous hot rolling and cold rolling; the specific steps are as follows:

[0028] (1) Aluminum alloy ingots are obtained by semi-continuous casting after smelting, refining, on-line degassing and filtering of aluminum ingots; the melting temperature is 770°C, and the degassing and filtering uses a double-rotor degassing and two-stage filtration system , the casting temperature is 725°C;

[0029] (2) Soak the aluminum alloy ingot obtained in step (1) after sawing and milling. During the soaking process, ...

Embodiment 3

[0033] An aluminum alloy strip for bottle-type pop cans with a screw top, the chemical composition of which is calculated by mass fraction: Si: 0.30wt%; Fe: 0.40wt%; Cu: 0.15wt%; Mn: 0.90wt%; Mg: 1.20 wt%; Ti: 0.020wt%; the rest is Al and unavoidable impurities.

[0034] The manufacturing method of the aluminum alloy strip for bottle-type pop cans with a threaded mouth includes the steps of smelting, refining, on-line degassing, filtering, casting, sawing, milling, soaking, continuous hot rolling and cold rolling; the specific steps are as follows:

[0035] (1) Aluminum alloy ingots are obtained by semi-continuous casting after smelting, refining, on-line degassing and filtering of aluminum ingots; the melting temperature is 740°C, and the degassing and filtering uses a double-rotor degassing and two-stage filtration system , the casting temperature is 700℃;

[0036] (2) Soak the aluminum alloy ingot obtained in step (1) after sawing and face milling. During the soaking proce...

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Abstract

The invention discloses an aluminum alloy strip for a bottle type easy open can with a threaded mouth and a manufacturing method for the aluminum alloy strip. The aluminum alloy strip is prepared from the following chemical components in parts by mass: 0.20-0.40wt% of Si, 0.35-0.55wt% Fe, 0.10-0.25wt% of Cu, 0.80-1.10wt% of Mn, 1.00-1.30wt% of Mg, 0.010-0.030wt% of Ti and the balance of Al and inevitable impurities. The prepared aluminum alloy strip for the bottle type easy open can with the threaded mouth is low in earing ratio, high in strength and good in deep drawing and tensile properties and formability.

Description

technical field [0001] The invention belongs to the field of preparation of aluminum alloy strips, and in particular relates to an aluminum alloy strip for bottle-type pop cans with a threaded mouth and a manufacturing method thereof. Background technique [0002] Bottle-type cans with screw tops have been widely used in Japan, Europe and the United States, but there is no similar product available in China. Compared with ordinary cans, bottle-type cans with threaded mouths have more necking processes, and the thread forming process is more difficult. The requirements for the forming performance of materials are higher, and the material properties must also meet the performance requirements of finished bottle-type cans. At present, there are no patents related to such products in China. Contents of the invention [0003] The object of the present invention is to develop an aluminum alloy strip with good formability, low ear-making rate and high strength, which is used for...

Claims

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Application Information

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IPC IPC(8): C22C21/00C22C21/08C22C1/02C22F1/047C22F1/04
CPCC22C21/00C22C1/026C22C21/08C22F1/04C22F1/047
Inventor 廖明顺黄瑞银罗筱雄黄金哲
Owner CHINALCO RUIMIN
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