Zinc alloy for hot dipping

A technology of zinc alloy and hot-dip, which is applied in the field of zinc alloy for hot-dip to achieve the effect of suppressing the Sandrin effect, high coating quality, and improving corrosion resistance and mechanical properties

Inactive Publication Date: 2012-12-26
ZHUZHOU SMELTER GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention solves the technical problem in the prior art that existing zinc alloys cannot be applied to hot-dip steel surfaces with complex components

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] A zinc alloy for hot dipping, the composition of which is Al: 0.001wt%; Ti: 0.002wt%; Ni: 0.04wt%; Mn: 0.001wt%; the balance is Zn and unavoidable impurities carried by the zinc alloy.

[0014] The high-silicon and high-manganese steel was hot-dipped with the zinc alloy for hot-dipping in this embodiment for 3 minutes, and the formed coating was uniform and the thickness distribution of the coating was 150-190 μm. The adhesion test was good, and the coating was bright and clean.

Embodiment 2

[0016] A zinc alloy for hot dipping, the composition of which is Al: 0.005wt%; Ti: 0.005wt%; Ni: 0.1wt%; Mn: 0.005wt%; the balance is Zn and unavoidable impurities carried by the zinc alloy.

[0017] The high-silicon and high-manganese steel was hot-dipped with the zinc alloy for hot-dipping in this embodiment for 3 minutes, and the formed coating was uniform and the thickness distribution of the coating was 130-160 μm. The adhesion test was good, and the coating was bright and clean.

Embodiment 3

[0019] A zinc alloy for hot dipping, the composition of which is Al: 0.01wt%; Ti: 0.008wt%; Ni: 0.08wt%; Mn: 0.02wt%; the balance is Zn and unavoidable impurities carried by the zinc alloy.

[0020] The high-silicon and high-manganese steel was hot-dipped with the zinc alloy for hot-dipping in this embodiment for 3 minutes, and the formed coating was uniform and the thickness distribution of the coating was 110-150 μm. The adhesion test was good, and the coating was bright and clean.

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Abstract

The invention provides a zinc alloy for hot dipping. The zinc alloy contains the following components by taking the total mass of the zinc alloy as the standard: 0.001-0.2 wt% of Al, 0.001-0.02 wt% of Ti, 0.002-0.1 wt% of Ni, 0.001-0.1 wt% of Mn and residual amount of Zn. The zinc alloy for hot dipping disclosed by the invention is suitable for a hot dipping process of a steel material with various components; and an alloy coating formed by hot dipping has the advantages of uniform thickness, no color difference, no Sandelin effects, no residual zinc list edge, and higher coating quality.

Description

technical field [0001] The invention belongs to the technical field of hot-dip galvanizing, and in particular relates to a zinc alloy for hot-dip galvanizing. Background technique [0002] With the rapid development of military industry, automobile, shipbuilding, home appliances, construction and other industries, the demand for hot-dip galvanized products is increasing year by year, and the requirements for product quality are constantly improving. The principle of hot-dip galvanizing is: clean the steel structure, then solvent treatment, after drying, immerse in the zinc solution, the iron on the surface of the steel structure reacts with the molten zinc, and forms an alloy coating on the surface of the steel structure. In order to reduce costs and improve the corrosion resistance, surface properties and good mechanical properties of hot-dip galvanized products, hot-dip galvanized alloy technology has shown a new development trend. [0003] For example, in the current hot...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C18/00C22C18/04C23C2/06
Inventor 张伟陈顺张德晶李正明窦传龙匡立春朱北平李迪汉
Owner ZHUZHOU SMELTER GRP
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