A kind of aluminum-barium wire and its production process

A technology of barium wire and aluminum powder, which is applied in the field of aluminum-barium wire and its production process, can solve problems such as unsatisfactory demand and lack of attention to aluminum utilization, and achieve the elimination of phosphorus back phenomenon, improvement of effective utilization rate, and increase of free oxygen The effect of the ability

Inactive Publication Date: 2016-04-13
河南鹏钰集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although it meets the requirements of molten steel deoxidation to a certain extent, the use of calcium core as the main deoxidizer can no longer meet the needs of high-performance steel. At the same time, the utilization rate of aluminum has not been paid attention to.

Method used

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  • A kind of aluminum-barium wire and its production process
  • A kind of aluminum-barium wire and its production process
  • A kind of aluminum-barium wire and its production process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] The production technology of aluminum-barium wire of the present invention is:

[0036] ① core material preparation: weigh 70 parts of aluminum powder, 5 parts of aluminum granules, and 25 parts of barium carbonate according to the core powder raw material, and use a mixer to mix evenly, and the obtained core material enters the powder silo;

[0037] ② Coating: Manually inspect the quality of the strip steel without rotten edges and holes, and then use the edge folding machine to coat the strip steel with the core material to obtain aluminum-barium wire. The physical and chemical properties of the test are as follows:

[0038]

Embodiment 2

[0040] The production technology of aluminum-barium wire of the present invention is:

[0041] ① Preparation of core material: Take 75 parts of aluminum powder, 5 parts of aluminum granules, and 20 parts of barium carbonate according to the core powder raw material, and use a mixer to mix evenly, and the obtained core material enters the powder silo;

[0042] ② Coating: Manually inspect the quality of the strip steel without rotten edges and holes, and then use the edge folding machine to coat the strip steel with the core material to obtain aluminum-barium wire. The physical and chemical properties of the test are as follows:

[0043]

Embodiment 3

[0045] The production technology of aluminum-barium wire of the present invention is:

[0046] ① Preparation of core material: Take 70 parts of aluminum powder, 10 parts of aluminum granules, and 20 parts of barium carbonate according to the core powder raw material, and use a mixer to mix evenly, and the obtained core material enters the powder silo;

[0047] ② Coating: Manually inspect the quality of the strip steel without rotten edges and holes, and then use the edge folding machine to coat the strip steel with the core material to obtain aluminum-barium wire. The physical and chemical properties of the test are as follows:

[0048]

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Abstract

The invention discloses an aluminum-barium wire and a production process thereof. The aluminum-barium wire comprises a coating and a core powder, wherein the core powder comprises (wt%) 70 to 80% of aluminum powder, 5 to 10% of aluminum granules and 15 to 25% of barium carbonate, and the coating is made of strip steel. The production process comprises a step of preparation of a core material and a step of coating. The aluminum-barium wire produced in the invention is hard to break off, can realize in-depth deoxidation, reduces loss of elemental aluminum and barium, improves an alloy recovery rate and decreases cost for each ton of steel.

Description

technical field [0001] The invention belongs to the technical field of steelmaking production, and in particular relates to an aluminum-barium wire and a production process thereof. Background technique [0002] Oxygen is one of the main elements affecting the quality of steel. When the "oxidation method" is used to make steel, because of the strong affinity between oxygen and iron, the oxygen content in crude steel molten steel is relatively high. If the deoxidation is poor, there will still be more oxygen in the steel after the deoxidation process, and Fe-FeO or FeO-FeS eutectic eutectics will precipitate from the grain boundaries when the low-carbon steel molten steel crystallizes, resulting in hot embrittlement; In steel, although the oxygen content is not as high as that of low-carbon steel, and the degree of hot embrittlement is also smaller, when the molten steel crystallizes, due to the gradual enrichment of oxygen in the molten steel, when its concentration exceeds ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C21C7/06
Inventor 程卓高云强
Owner 河南鹏钰集团有限公司
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