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Technique for casting, rolling allautal in high intensity

An aluminum alloy plate, high-strength technology, applied in the field of metallurgy, can solve the problems of inability to produce high-strength aluminum alloy plate, large investment in hot rolling process, long production and processing cycle, etc., to achieve shortened production cycle, short investment recovery period, simplified The effect of the production process

Inactive Publication Date: 2007-10-10
JIANGSU CAIFA ALUMINUM
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Problems solved by technology

[0003] The purpose of the present invention is to provide a casting-rolling process of 6061 high-strength aluminum alloy plate, which overcomes the disadvantages of large investment, complex process, high production cost, long production and processing cycle of the hot-rolling process and the fact that the casting-rolling process cannot be produced for a long time. Strength aluminum alloy plate bias

Method used

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Experimental program
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Effect test

Embodiment

[0015] According to the raw material ratio of 6061 high-strength aluminum alloy (calculated in a 10-ton furnace): 0.25 tons of aluminum-chromium alloy, 0.3 tons of aluminum-silicon alloy, 1.1 tons of aluminum-magnesium alloy, 0.07 tons of iron agent, 0.065 tons of aluminum-copper alloy, primary aluminum 7 tons, 1.2 tons of 1060 scrap.

[0016] Process:

[0017] (1) Feeding: first add 1060 leftover material into the furnace, then add primary aluminum, and stir while melting to melt the leftover material; (2) Add various alloys according to the ratio of raw materials, and stir until completely melted.

[0018] (2) Melting process: first melt the leftover material and then add raw aluminum, stir fully to melt the leftover material; when the temperature reaches 690-710°C, add other raw materials according to the formula and heat and stir until they are all melted, then heat the melt to 730-750°C ℃. Because the temperature of the primary aluminum is high, when the temperature of ...

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Abstract

This invention discloses a novel process for casting and rolling high-strength 6061 Al alloy plate. The process comprises: preparing the raw materials, adding into a furnace, melting, refining, and slag skimming, sampling for analysis, discharging from the furnace, refining again, sampling again, rolling, and curling. This invention overcomes the disadvantages such as high investment, complex process; and long production period faced by traditional process, and can produce high-strength 6061 Al alloy plate.

Description

technical field [0001] The invention belongs to metallurgical technology. Specifically, it is the casting and rolling process of 6061 high-strength aluminum alloy plate. Background technique [0002] At present, 6061 high-strength aluminum alloy slabs are mostly produced by hot rolling process. Due to the large investment, complicated process and high production cost of the hot rolling production line, the production and processing cycle is long and the processing cost is relatively high. Contents of the invention [0003] The purpose of the present invention is to provide a casting-rolling process of 6061 high-strength aluminum alloy plate, which overcomes the disadvantages of large investment, complex process, high production cost, long production and processing cycle of the hot-rolling process and the fact that the casting-rolling process cannot be produced for a long time. Strength aluminum alloy plate bias. [0004] The purpos...

Claims

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Application Information

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IPC IPC(8): C22C21/08C22C1/02C22C1/06
Inventor 毕祥玉
Owner JIANGSU CAIFA ALUMINUM
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