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A kind of hot-dip galvanized aluminum-magnesium coated steel and preparation method thereof

A hot-dip galvanized and coated steel technology, applied in hot-dip galvanizing process, coating, metal material coating process, etc., can solve the problems of affecting the appearance, failing to meet the needs of users, blackening, etc., and achieve the reduction of oxygen atom vacancies , good anti-blackening performance, less absorption effect

Active Publication Date: 2021-07-23
SHOUGANG CORPORATION
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] Aiming at the deficiencies of the above-mentioned prior art, the present invention provides a hot-dip galvanized aluminum-magnesium coated steel and a preparation method thereof, so as to solve the defect of blackening on the surface of the hot-dip galvanized aluminum-magnesium coated steel in the prior art, which affects the appearance and cannot satisfy Questions about user needs

Method used

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  • A kind of hot-dip galvanized aluminum-magnesium coated steel and preparation method thereof
  • A kind of hot-dip galvanized aluminum-magnesium coated steel and preparation method thereof
  • A kind of hot-dip galvanized aluminum-magnesium coated steel and preparation method thereof

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Embodiment Construction

[0035] The present invention will be described in detail below in conjunction with specific embodiments and examples, and the advantages and various effects of the present invention will be presented more clearly. Those skilled in the art should understand that these specific implementations and examples are used to illustrate the present invention, not to limit the present invention.

[0036] Throughout the specification, unless otherwise specified, terms used herein should be understood as commonly used in the art. Therefore, unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. In case of conflict, this specification shall take precedence.

[0037] Unless otherwise specified, various raw materials, reagents, instruments and equipment used in the present invention can be purchased from the market or prepared by existing methods.

[0038] The ...

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Abstract

The invention discloses a hot-dip galvanized aluminum-magnesium coated steel and its preparation method. The hot-dip galvanized aluminum-magnesium coated steel includes a zinc-aluminum-magnesium coating, and the chemical composition and mass fraction of the zinc-aluminum-magnesium coating are: Al: 0.7 ~4%, Mg: 0.4~2%, the rest is Zn and unavoidable impurities. The hot-dip galvanized aluminum-magnesium coated steel prepared by the method has good blackening resistance, simple operation, low production cost, and easy popularization and use.

Description

technical field [0001] The invention belongs to the technical field of coating, and in particular relates to a hot-dip galvanized aluminum-magnesium coated steel and a preparation method thereof. Background technique [0002] Hot-dip galvanizing is to make the molten metal react with the steel substrate to produce an alloy layer, so that the steel substrate and the coating are combined. Hot-dip galvanized steel has the advantages of uniform coating, strong adhesion, long service life, simple manufacturing process, and low product price. It is increasingly demanded in various industries, such as automobile industry, electrical industry and construction industry. [0003] In order to improve the corrosion resistance of hot-dip galvanized steel, zinc alloy coated steel, including zinc-aluminum-magnesium coated steel, is produced by adding elements such as magnesium and aluminum to pure zinc-coated steel. Zinc-aluminum-magnesium-coated steel is widely used in the manufacture of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C2/06C22C18/00C23C2/40
CPCC22C18/00C23C2/06C23C2/40
Inventor 蒋光锐滕华湘章军商婷韩赟李飞刘李斌朱国森黎敏胡燕慧刘广会李研
Owner SHOUGANG CORPORATION
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