Production process for obtaining copper alloy strip with uniform and small grains

A technology of fine grain and production process, which is applied to the production process of fine grain copper alloy sheet and strip to obtain a uniform field, can solve the problems of cumbersome process, high cost of manufacturing method, difficult scale production conditions, etc., and achieves simple process and high production efficiency. Low cost and the effect of grain refinement

Inactive Publication Date: 2014-12-24
CNMC ALBETTER ALBRONZE
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Problems solved by technology

The above manufacturing methods are high in cost, cumbersome in process, and difficult to realize on the existing scale production conditions.

Method used

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  • Production process for obtaining copper alloy strip with uniform and small grains
  • Production process for obtaining copper alloy strip with uniform and small grains
  • Production process for obtaining copper alloy strip with uniform and small grains

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Embodiment Construction

[0027] The following examples of the present invention are described with reference to specific implementations, and the examples are only used to explain the present invention, and should not be construed as limiting the present invention.

[0028] Such as figure 1 , 2 , 3, a 650 production process for obtaining uniform, fine-grained copper alloy strips, heating a brass alloy ingot containing 65% copper to 830°C, hot rolling, and then water cooling, the thickness of the ingot is 290mm and rolled Made to a thickness of 16mm, a total deformation of 94.5% was obtained. The final rolling temperature is not lower than 500°C to obtain a 16mm thick slab, and then face milling with a single side milling amount of 0.6mm, large processing rate cold rolling, cold rolling is a rolling process below the metal recrystallization temperature, billet opening control The total deformation was 86.4%, resulting in a 2.0 mm coil. Recrystallization annealing is carried out on the coil, the firs...

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Abstract

The invention discloses a production process for obtaining a copper alloy strip with uniform and small grains, and belongs to the metal machining industry. According to the process, an alloy ingot is subjected to hot rolling after high-temperature heating to obtain a slab, the slab is subjected to intermediate annealing, technological parameters of a heating section, a thermal insulation section and a cooling section are controlled in the annealing process, and the copper alloy strip with the uniform and small grains is obtained. The production process is simple and has the greatest characteristic that the copper strip with the uniform and small grains can be obtained on the basis of conventional equipment, thereby having excellent popularization and application values.

Description

technical field [0001] The invention relates to a preparation process of a brass plate and strip, in particular to a production process for obtaining a uniform and fine grain copper alloy plate and strip, which belongs to the metal processing industry. Background technique [0002] With the continuous expansion of the application range of copper alloy products, higher and higher performance requirements are put forward for the performance of copper alloy strips, and the total processing rate of brass alloys is generally controlled at 60-70%. Moreover, there are two types of bell annealing and continuous annealing in industrial production. The bell annealing furnace has uneven annealing core and external temperature, and the performance difference is large. When the annealing temperature is high, it is easy to cause defects such as surface adhesion, and the backed coil is prone to uneven grains. [0003] Grain refinement is one of the most effective methods to improve the st...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22F1/08B21C37/02
Inventor 刘晨亮姜业欣张建华孙庆安吕文波王晓腾夏子峰田原晨
Owner CNMC ALBETTER ALBRONZE
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