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Micro-carbon, aluminium, manganese, titanium and ferrous alloy for terminal deoxidizing and alloying_of molten steel and preparation method thereof

A technology of micro-carbon aluminum manganese titanium and final deoxidation, which is applied in the field of alloys, can solve the problems of alloy pulverization and other problems, and achieve the effects of easy acid-soluble aluminum content, cost reduction and resource saving

Inactive Publication Date: 2007-02-07
代腾飞
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AI Technical Summary

Problems solved by technology

In order to simplify the steelmaking deoxidation process, some people have proposed the use of Al-Mn-Ti-Fe alloys and Al-Mn-Fe alloys, but these aluminum-based alloys have not solved the problem of alloy pulverization.

Method used

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Embodiment

[0019] 61 kilograms of metal aluminum, 7 kilograms of metal manganese, 2 kilograms of metal titanium, and 39 kilograms of scrap steel are used as ingredients, followed by 2 / 3 metal aluminum-1 / 2 scrap steel-metal manganese-1 / 2 scrap steel-metal titanium-1 / 3 metal aluminum Put it into the power frequency induction furnace, after melting, slag removal and sedation, it is released and cast into block micro-carbon aluminum manganese titanium iron alloy. Its chemical composition (weight percent):

[0020] Aluminum: 58.

[0021] Manganese: 6.5.

[0022] Titanium: 1.86.

[0023] Carbon: 0.017.

[0024] Phosphorus: 0.011.

[0025] Sulfur: 0.004.

[0026] Iron: balance.

[0027] This alloy is used in a 180-ton converter, the test steel is SPCC, and the deoxidation effect (20 furnaces) is 580.25ppm per tank on average. The average deoxidation effect (20 furnaces) of the comparison alloy (ordinary Al-Mn-Ti-Fe alloy) is 575.5ppm per can. The deoxidation effect of the micro-carbon a...

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PUM

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Abstract

the invention discloses a micro-carbon Al-Mn-Ti-Fe alloy and preparing method, which comprises the following parts: 40-60% Al, 2-10% Mn, 1-10% Ti, not more than 0.08% C and Fe. the preparing method comprises the following steps: allocating metal Al, Mn, Ti and optimum waste steel; fusing in the line frequency electric furnace; fusing; deslagging; stewing; casting.

Description

technical field [0001] The present invention relates to an alloy. In particular, the micro-carbon Al-Mn-Ti-Fe alloy used for final deoxidation and alloying of molten steel and its preparation method. Background technique [0002] With the rapid development of automobile industry, home appliance industry and various engineering plate steels, such as 08 aluminum steel, 05 plate, low carbon bainitic steel for construction machinery and marine steel, the single metal aluminum, ferrotitanium and manganese Deoxidation and alloying of molten steel by iron etc. have long been unsuitable for the development of steelmaking. In order to simplify the deoxidation process of steelmaking, the use of Al-Mn-Ti-Fe alloy and Al-Mn-Fe alloy has been proposed, but these aluminum-based alloys have not solved the problem of alloy pulverization. [0003] Aiming at this technical shortcoming, the present invention provides a micro-carbon aluminum-manganese-titanium-iron alloy that can not only com...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21C7/00C21C7/06C22C21/00C22C38/14C22C30/00C22C1/02
Inventor 代腾飞陈恩泽滕博凯
Owner 代腾飞
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