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Copper bar and manufacturing method thereof

A copper rod and manufacturing process technology, applied in the field of copper rod and its manufacturing, can solve the problems of high lead content, low production yield, unable to meet the needs of large quantities, etc., and achieve high tensile strength and good free cutting performance. Effect

Inactive Publication Date: 2017-07-04
黄山市龙跃铜业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a copper rod and its production method, which can solve the problems of complex production process of existing copper rods, relatively low production yield, high lead content, unstable product performance, and inability to meet the large-volume demand of the market

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Embodiment 1, a kind of copper bar, by mass percentage, it comprises following components: silicon 0.15~0.35%, copper 60~61%, iron 0.05~0.2%, aluminum 0.15~0.4%, tin<0.1%, nickel <0.05%, lead <0.15%, zinc 37-39%; total content of other impurities ≤0.5%.

Embodiment 2

[0017] Embodiment 2, a kind of manufacturing process of copper bar: comprise the steps:

[0018] Step (1): The raw materials are sorted and stacked according to different varieties, and clearly marked; when selecting materials, they must be processed in strict accordance with the principle of maximizing copper materials, and the materials that do not meet the process requirements and are dangerous are disposed of separately ;In the selection of materials, iron wires, non-metallic and other sundries must be selected and piled up separately, and checked with a strong magnetic field to pick out the bright iron; %, tin<0.1%, nickel<0.05%, lead<0.15%, zinc 37%; the proportion of other impurities with a total content of ≤0.5% is weighed and sent to a temperature of 1050°C for smelting into copper water;

[0019] Step (2): Carry out the first component analysis of the copper water after smelting, and adjust the components of the copper water according to the analysis results, and per...

Embodiment 3

[0026] Embodiment 3, a kind of manufacturing process of copper bar: comprise the steps:

[0027] Step (1): The raw materials are sorted and stacked according to different varieties, and clearly marked; when selecting materials, they must be processed in strict accordance with the principle of maximizing copper materials, and the materials that do not meet the process requirements and are dangerous are disposed of separately ;In the selection of materials, iron wires, non-metallic and other sundries must be selected and piled up separately, and checked with a strong magnetic field to pick out the bright iron; %, tin<0.1%, nickel<0.05%, lead<0.15%, zinc 39%; other impurities with a total content of ≤0.5% are weighed and sent to a temperature of 1100°C for smelting into copper water;

[0028] Step (2): Carry out the first component analysis of the copper water after smelting, and adjust the components of the copper water according to the analysis results, and perform the second c...

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Abstract

The invention discloses a copper bar and a manufacturing method thereof. The copper bar comprises the following components in mass by percentage: 0.15-0.35% of silicon, 60-61% of copper, 0.05-0.2% of ferrum, 0.15-0.4% of aluminum, less than 0.1% of tin, less than 0.05% of nickel, less than 0.15% of lead, 37-39% of zinc, and less than or equal to 0.5% of total content of other impurities. According to the invention, the problems that the existing production technological process of the copper bar is complicated, the rate of produced finished products is relatively low, the lead content is high, the product performance is unstable, and mass demand of the market cannot be met can be solved.

Description

technical field [0001] The invention relates to a copper rod and a manufacturing method thereof. Background technique [0002] Because of its excellent conductivity, plasticity and ability to withstand cold and hot processing, copper is widely used in electrical, sanitary, valve industries and other fields. With the further development of electrical, sanitary, and valve industrial technologies, the requirements for copper materials are increasing. The higher, the existing copper rod production process is complicated, the production yield is relatively low, the lead content is high, the product performance is unstable, and it cannot meet the mass demand of the market. Contents of the invention [0003] The purpose of the present invention is to provide a copper rod and its production method, which can solve the problems of complex production process of existing copper rods, relatively low production yield, high lead content, unstable product performance, and inability to me...

Claims

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Application Information

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IPC IPC(8): C22C9/04C22C1/02C22F1/08
CPCC22C9/04C22C1/02C22F1/08
Inventor 金义泉
Owner 黄山市龙跃铜业有限公司
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