Aluminium alloy foil material for container and method for producing the same

A technology of aluminum alloy foil and manufacturing method, applied in metal rolling, manufacturing tools, metal rolling, etc., can solve the problems of poor deep drawing performance, poor appearance quality, high cost, etc., and achieve improved elongation and increased elongation , Improve the effect of deformation resistance

Active Publication Date: 2009-04-01
JIANGSU ALCHA ALUMINUM CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] Purpose of the invention: the purpose of the present invention is to solve the disadvantages of the prior art that the aluminum foil often adopts hot rolling technology, the cost is too high, the casting and rolling technology has poor deep drawing performance, and the appeara...

Method used

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  • Aluminium alloy foil material for container and method for producing the same

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Embodiment 1: the chemical composition ratio of material is:

[0027] Component iron silicon copper manganese titanium aluminum Weight ratio 0.42 0.08 0.10 1.1 0.020 the remaining

[0028] The method of making the aluminum alloy foil for the container is:

[0029] 1) Casting and rolling of slabs: put the industrially pure aluminum ingots for remelting, aluminum-iron master alloy ingots, aluminum-silicon master alloy ingots, aluminum-copper master alloy ingots and aluminum-manganese master alloy ingots prepared in the above ratio into the melting furnace Melting and heating up to 700°C, after refining, slag removal, stirring, analysis and adjustment of components, it enters the static furnace, where static, refining, degassing, and slag removal are carried out; in order to improve the microstructure and The distribution shape and structure of the second phase particles, after the aluminum liquid is exported to the static furnace, the...

Embodiment 2

[0036] Embodiment 2: the chemical composition ratio of material is:

[0037] Component iron silicon copper manganese titanium aluminum Weight ratio 0.45 0.05 0.08 1.2 0.022 the remaining

[0038] The method of making the aluminum alloy foil for the container is:

[0039] 1) Casting and rolling of slabs: put the industrially pure aluminum ingots for remelting, aluminum-iron master alloy ingots, aluminum-silicon master alloy ingots, aluminum-copper master alloy ingots and aluminum-manganese master alloy ingots prepared in the above ratio into the melting furnace Melt and heat up to 710°C, after refining, slag removal, stirring, analysis and adjustment of components, enter the static furnace, and carry out static, refining, degassing and slag removal in the static furnace; in order to improve the microstructure and The distribution shape and structure of the second phase particles, after the aluminum liquid is exported to the static furnace, ...

Embodiment 3

[0046] Embodiment 3: the chemical composition ratio of material is:

[0047] Component iron silicon copper manganese titanium aluminum Weight ratio 0.46 0.10 0.04 1.3 0.025 the remaining

[0048] The method of making the aluminum alloy foil for the container is:

[0049] 1) Casting and rolling of slabs: put the industrially pure aluminum ingots for remelting, aluminum-iron master alloy ingots, aluminum-silicon master alloy ingots, aluminum-copper master alloy ingots and aluminum-manganese master alloy ingots prepared in the above ratio into the melting furnace Melt and heat up to 720°C, after refining, slag removal, stirring, analysis and adjustment of components, enter the static furnace, and carry out static, refining, degassing and slag removal in the static furnace; in order to improve the microstructure and The distribution shape and structure of the second phase particles, after the aluminum liquid is exported to the static furnace, ...

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Abstract

The invention discloses an aluminum alloy foil used for containers, which is characterized in that: the components and the weight ratios are: 0.42 to 0.52 percent of iron, 0.05 to 0.20 percent of silicon, 0.04 to 0.13 percent of copper, 1.10 to 1.30 percent of manganese, 0.020-0.040 percent of titanium and the residual quantity of aluminum. The manufacturing method of the aluminum alloy foil used for containers comprises slab casting and rolling, pre-annealing, plank cold rolling, intermediate annealing, cold rolling, finished product annealing, greasing and cutting. Compared with the prior art, the aluminum alloy foil has the remarkable advantages: higher tensile strength and elongation; good deep-drawing performance, formability and stiff and smooth degree, beautiful appearance, uniform color and luster without defect, thus meeting the requirement of the users.

Description

technical field [0001] The invention relates to an aluminum alloy foil material for containers, and also provides a manufacturing method of the aluminum alloy foil material. Background technique [0002] Because aluminum foil has the advantages of easy forming, beautiful appearance, easy disinfection, low cost, and convenient recycling, aluminum foil containers of deep-processed products are widely used, and can be made into containers for fruits and other foods, plates, lunch boxes, and lunch boxes on airplanes , refrigerator boxes, cold storage containers, etc. Aluminum foil for containers is required to have high tensile strength and elongation, good deep drawability, formability, and stiffness, and the appearance and color are uniform and beautiful without defects. At present, this kind of aluminum foil is often produced by hot rolling technology, and the cost is relatively high. However, when casting and rolling technology is used for production, there are generally d...

Claims

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Application Information

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IPC IPC(8): C22C21/00C22F1/04B21B37/16
Inventor 张敏达章建华张建军何献忠彭晓彤吴永新
Owner JIANGSU ALCHA ALUMINUM CO LTD
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