Continuously cast and rolled aluminum alloy material for blind window and manufacturing method of continuously cast and rolled aluminum alloy material

A manufacturing method and technology of aluminum alloy, applied in the direction of ventilation layout, etc., can solve the problems of poor performance and low tensile strength of aluminum alloy materials or baking sheets, and achieve the effect of solving the coarse structure, excellent performance and improving the yield of finished products.

Active Publication Date: 2016-02-24
包头常铝北方铝业有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In view of the deficiencies of the above-mentioned prior art, the object of the present invention is to provide a continuous casting and rolling aluminum alloy material for shutters and a manufacturing meth

Method used

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  • Continuously cast and rolled aluminum alloy material for blind window and manufacturing method of continuously cast and rolled aluminum alloy material
  • Continuously cast and rolled aluminum alloy material for blind window and manufacturing method of continuously cast and rolled aluminum alloy material
  • Continuously cast and rolled aluminum alloy material for blind window and manufacturing method of continuously cast and rolled aluminum alloy material

Examples

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Effect test

Embodiment 1

[0023] A method for manufacturing continuous casting and rolling aluminum alloy materials for shutters, comprising the following steps:

[0024] (1) Melting and refining, according to the weight percentage of each component: Fe: 0.36%, Si: 0.65%, Cu: 0.33%, Mn: 0.55%, Mg: 0.24%, Zn: 0.05%, Cr: 0.15%, Ti : 0.023%, rare earth elements: 0.055%, B: 0.005%, other elements single content <0.03%, other elements total <0.15%, the balance is aluminum, the raw materials of rare earth elements are La, Ce, Pr, Nd and The mixture of Er, put the raw materials into the smelting furnace for smelting, and then the aluminum alloy liquid enters the static furnace for refining, and the components Ti and B are added in the launder in the form of AlTi5B1 wire;

[0025] (2) Continuous casting and rolling is carried out on a continuous casting and rolling machine, the casting and rolling temperature is 685°C, the length of the casting and rolling zone is 44mm, the casting and rolling speed is 0.80m / m...

Embodiment 2

[0032] A method for manufacturing continuous casting and rolling aluminum alloy materials for shutters, comprising the following steps:

[0033] (1) Melting and refining, according to the weight percentage of each component: Fe: 0.35%, Si: 0.90%, Cu: 0.45%, Mn: 0.70%, Mg: 0.50%, Zn: 0.1%, Cr: 0.20%, Ti : 0.02%, rare earth elements: 0.05%, B: 0.010%, individual content of other elements < 0.03%, total amount of other elements < 0.15%, the balance is aluminum, the raw material of rare earth elements is a mixture containing La, Ce and Er, The raw materials are put into the melting furnace for melting, and then the aluminum alloy liquid enters the standing furnace for refining, and the components Ti and B are added in the launder in the form of AlTi5B1 wire;

[0034] (2) Continuous casting and rolling is carried out on the continuous casting and rolling machine, the casting and rolling temperature is 695°C, the length of the casting and rolling zone is 46mm, the casting and rollin...

Embodiment 3

[0041] The manufacturing method of continuous casting and rolling aluminum alloy material for shutters comprises the following steps:

[0042] (1) Smelting and refining, according to the weight percentage of each component: Fe: 0.50%, Si: 0.76%, Cu: 0.30%, Mn: 0.50%, Mg: 0.39%, Zn: 0.13%, Cr: 0.30%, Ti : 0.03%, rare earth elements: 0.09%, B: 0.004%, the individual content of other elements < 0.03%, the total amount of other elements < 0.15%, the balance is aluminum, the raw material of rare earth elements is a mixture of Ce, Pr and Nd. The raw materials are added into the smelting furnace for smelting, and then the aluminum alloy liquid enters the stationary furnace for refining, and the components Ti and B are added in the launder in the form of AlTi5B1 wires;

[0043] (2) Carry out continuous casting and rolling on a continuous casting and rolling mill, the casting and rolling temperature is 685 ° C, the length of the casting and rolling zone is 45 mm, the casting and rollin...

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Abstract

The invention discloses a continuously cast and rolled aluminum alloy material for a blind window. The aluminum alloy material comprises, by weight, 0.35%-0.50% of Fe, 0.65%-0.90% of Si, 0.30%-0.50% of Cu, 0.50%-0.70% of Mn, 0.20%-0.50% of Mg, 0%-0.20% of Zn, 0.10%-0.30% of Cr, 0.02%-0.05% of Ti, 0.05%-0.09% of rare earth elements, 0.004%-0.010% of B, less than 0.1% of other elements and the balance Fe; the content of each other element is less than 0.03%, and the rear earth elements include at least one of La, Ce, Pr, Nd and Er. The manufacturing method comprises the steps that cold rolling is conducted after continuous casting; incomplete intermediate annealing is conducted at the temperature of 190-210 DEG C; heat preservation is conducted for seven hours; the tensile strength of an aluminum roll is controlled to be 240-255 MPa after intermediate annealing; cold rolling is conducted again; and a finished product is obtained in the subsequent procedure. The tensile strength of the finished aluminum alloy material is controlled to be 310-330 MPa, and the performance of a roasting plate (subjected to heat preservation at the temperature of 230 DEG C for one minute) is good.

Description

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Claims

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Application Information

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Owner 包头常铝北方铝业有限责任公司
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