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Novel steel wire hot-dip galvanizing plating alloy

A hot-dip galvanizing and alloying technology, which is applied in hot-dip galvanizing process, coating, metal material coating process, etc., can solve the problems affecting the processability of the coating and the increase of brittle phases, and achieve excellent ductility, ductility and Improves toughness and satisfies workability requirements

Inactive Publication Date: 2015-06-03
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, galvanized steel wire is often twisted, bent, wound, etc. during use, and the coating alloy needs to meet certain processability requirements. Adding a certain amount of Al to the plating solution will increase the brittle phase and affect the processability of the coating.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A new steel wire hot-dip galvanized coating alloy, which contains 5% aluminum by weight, 0.05% yttrium, lead, iron, cadmium and other impurities, the sum of which is not more than 0.02%, and the rest is zinc.

[0023] The above-mentioned new steel wire hot-dip galvanized coating alloy is melted in a hot-dip coating pot, the temperature of the plating solution is kept between 470 and 500° C., and the optimum temperature of the plating solution is between 475 and 485° C. The hot-dip plating time is between 5 and 20 seconds. Produce hot-dip coated steel wire according to the process.

[0024] The average hardness of the coating produced by this method is 230 (HV). After the bending test of the coated steel wire, there are only a few local cracks in the bending position. After the bending test of the conventional aluminum-coated steel wire, there are many cracks in the bending position. Coated steel wire has excellent ductility and meets processability requirements. At th...

Embodiment 2

[0026] A new steel wire hot-dip galvanized coating alloy, which contains 11% aluminum by weight, 0.05% yttrium, lead, iron, cadmium and other impurities, the sum of which is not more than 0.02%, and the rest is zinc.

[0027] The above-mentioned new steel wire hot-dip galvanized coating alloy is melted in a hot-dip coating pot, the temperature of the plating solution is kept between 470 and 500° C., and the optimum temperature of the plating solution is between 475 and 485° C. The hot-dip plating time is between 5 and 20 seconds. Produce hot-dip coated steel wire according to the process.

[0028] The average hardness of the coating produced by this method is 230 (HV). After the bending test of the coated steel wire, there are only a few local cracks in the bending position. After the bending test of the conventional aluminum-coated steel wire, there are many cracks in the bending position. Coated steel wire has excellent ductility and meets processability requirements. At t...

Embodiment 3

[0030] A new steel wire hot-dip galvanized coating alloy, which contains 15% aluminum by weight, 0.05% yttrium, lead, iron, cadmium and other impurities, the sum of which is not more than 0.02%, and the rest is zinc.

[0031] The above-mentioned new steel wire hot-dip galvanized coating alloy is melted in a hot-dip coating pot, the temperature of the plating solution is kept between 470 and 500° C., and the optimum temperature of the plating solution is between 475 and 485° C. The hot-dip plating time is between 5 and 20 seconds. Produce hot-dip coated steel wire according to the process.

[0032] The average hardness of the coating produced by this method is 230 (HV). After the bending test of the coated steel wire, there are only a few local cracks in the bending position. After the bending test of the conventional aluminum-coated steel wire, there are many cracks in the bending position. Coated steel wire has excellent ductility and meets processability requirements. At t...

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Abstract

The invention discloses a novel steel wire hot-dip galvanizing plating alloy. The novel steel wire hot-dip galvanizing plating alloy is characterized by comprising the components in percentage by mass: 5-15 percent of aluminum, 0.05-0.4 percent of yttrium, and the balance of zinc, wherein the total sum of the impurities of lead, ferrum, cadmium and the like in the alloy is less than or equal to 0.02 percent. The alloy has the beneficial effects that a corrosion-resistant zinc-based plating alloy with high extension property and toughness property is provided; compared with other plating alloys, the novel steel wire hot-dip galvanizing plating alloy has the advantages that the extension property and the toughness property are greatly improved, and moreover, the requirement on rigorous machinability can be met.

Description

technical field [0001] The invention relates to the technical field of metal plating, in particular to a zinc-based alloy for hot-dipping steel wire. Background technique [0002] Hot-dip galvanizing is a kind of iron and steel workpiece (such as steel plate, steel wire or other steel parts, etc.) immersed in molten zinc liquid for a period of time, during which the iron and zinc liquid are dissolved, chemically reacted and A protective method of adhering a layer of zinc on the surface by diffusion and other methods. It has always been the most economical and effective surface treatment method to prevent steel from corroding in the natural environment. It is widely used in the protection of various structures of steel materials. More than 50% of the global metal zinc consumption is used for steel protective coatings. [0003] Galvanized steel wire is widely used in infrastructure industries such as electric power, communication, fishery, agriculture, and bank protection. I...

Claims

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Application Information

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IPC IPC(8): C23C2/06C23C2/38C22C18/04
Inventor 张杰江社明张启富李远鹏张予马建国张劲光史天如周少先胡然周凯
Owner STATE GRID CORP OF CHINA
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