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Flux core of wear-resisting welding wire

A technology of flux core and welding wire, applied in welding medium, welding equipment, welding/cutting medium/material, etc., can solve the problems of uneven appearance of welding seam, large spatter, and unsatisfactory arc stability.

Inactive Publication Date: 2016-06-15
LIUZHOU KAITONG NEW MATERIAL TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the appearance of the weld welded by this type of welding wire is not smooth, the spatter is large, the arc stability is not ideal, and porosity will occur

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The flux core of the wear-resistant welding wire contains 2% of microcrystalline toner, 6% of 150-mesh aluminum powder, 35% of 80-mesh fluorite powder, 12% of 100-mesh magnesia powder, 2% of 70-mesh potassium carbonate powder, and 1% of 80-mesh ferrosilicon powder %, 110 mesh ferromanganese alloy powder 2%, the balance is 110 mesh iron powder. After the flux core of this component is made into welding wire, the slag removal rate is 95.3%, the spatter rate is 9.6%, and the arc stability is good.

Embodiment 2

[0025] The flux core of the wear-resistant welding wire contains 3% of 160-mesh microcrystalline toner, 9% of 160-mesh aluminum powder, 32% of 70-mesh fluorite powder, 10% of 90-mesh magnesia powder, 3% of 80-mesh potassium carbonate powder, and 90-mesh ferrosilicon alloy Powder 1.5%, 100 mesh ferromanganese alloy powder 1.5%, the balance is 100 mesh iron powder. After the flux core of this component is made into welding wire, the slag removal rate is 96.4%, the spatter rate is 9.2%, and the arc stability is good.

Embodiment 3

[0027] The flux core of the wear-resistant welding wire contains 4% of 170-mesh microcrystalline toner, 12% of 170-mesh aluminum powder, 28% of 60-mesh fluorite powder, 8% of 80-mesh magnesia powder, 2.5% of 90-mesh potassium carbonate powder, and 100-mesh ferrosilicon Powder 1.5%, 90 mesh ferromanganese alloy powder 1.5%, the balance is 90 mesh iron powder. After the flux core of this component is made into welding wire, the slag removal rate is 97.5%, the spatter rate is 8.4%, and the arc stability is good.

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PUM

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Abstract

The invention relates to a flux-cored wire, in particular to a flux core of a wear-resisting welding wire. The flux core is prepared from the following components in percentage by mass: 2 to 6 percent of microcrystal ink powder, 6 to 14 percent of aluminum powder, 25 to 35 percent of fluorite powder, 4 to 12 percent of magnesite powder, 2 to 4 percent of potassium carbonate powder, 1 to 2 percent of silicon iron alloy powder, 1 to 2 percent of ferromanganese alloy powder and the balance of iron powder. According to the flux core, the carbon content is properly increased, to beneficially improve the stability of an electric arc; furthermore, the aluminum content is properly increased, to improve the properties of removing oxygen and fixing nitrogen, so that the electrical arc stability is further enhanced, and oxidization of carbon is suppressed; meanwhile, overflowing sputtering of gas is reduced; by the adding of magnesium oxide, the protective effect of slag is enhanced, overflowing of carbon monoxide gas is suppressed, the electrical arc stability is further improved, and sputtering is alleviated.

Description

technical field [0001] The invention relates to wear-resistant welding wire, in particular to a flux core of wear-resistant welding wire. Background technique [0002] In the actual industrial production process, the wear and tear failure of mechanical equipment and parts has a huge impact on production. Reducing wear plays an important role in saving energy and materials, making full use of resources and ensuring safety. The most effective way to reduce the wear of mechanical parts is welding. The emergence and development of flux-cored wire adapts to the trend of high-efficiency, low-cost, high-quality, and automated development of welding production. With the rapid development of world industry, welding technology has gradually entered the stage of semi-automatic, automatic and intelligent, so the development of drug-cored welding wire has brought broad prospects. Flux-cored welding wire is an advanced welding material that has developed rapidly and spread rapidly in r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K35/368B23K35/30
CPCB23K35/368B23K35/0266B23K35/3053B23K35/3605
Inventor 黎超英吴沛荣
Owner LIUZHOU KAITONG NEW MATERIAL TECH CO LTD