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Hard alloy shaft sleeve resistant to high temperature corrosion and long in service life

A high-temperature corrosion-resistant, hard alloy technology, applied in the direction of metal material coating process, coating, hot dip plating process, etc., can solve the problems of complex preparation process and so on

Inactive Publication Date: 2021-09-14
芜湖舍达激光科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, stainless steel sleeves are generally used for zinc pot roller sleeves, and an abrasion-resistant and corrosion-resistant coating is prepared on the surface. The preparation process of such sleeves is complicated.

Method used

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  • Hard alloy shaft sleeve resistant to high temperature corrosion and long in service life

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] The mass fraction of the carbide shaped sleeve component is: 1% C, 25% Cr, 2% Si, 9% W, 2% Fe, 3% Mo, 2% Ni, 1% Mn, margin CO, the electric furnace Smelting, centrifugal casting, and insulation annealing, machining, etc., the working surface is a cylindrical surface, and the wall thickness of the working surface corresponds to 15 mm.

Embodiment 2

[0016] The mass fraction of the hard alloy bushing component is: 1.4C%, 17% Cr, 3% Si, 15% W, 1% Fe, 24% Mo, 2.5% Ni, 1% Mn, margin CO, the electric furnace Smelting, centrifugal casting, and insulation annealing, machining, etc., the working surface is a cylindrical surface, and the wall thickness of the working surface corresponds to 15 mm.

Embodiment 3

[0018] The mass fraction of the hard alloy shaft sleeve component is: 1.3% C, 15% Cr, 4% Si, 3% W, 1.5% Fe, 30% Mo, 1.5% Ni, 1.5% Mn, margin CO, after the electric furnace Smelting, centrifugal casting, and insulation annealing, machining, etc., the working surface is a cylindrical surface, and the wall thickness of the working surface corresponds to 15 mm.

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PUM

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Abstract

The invention relates to a hard alloy shaft sleeve, in particular to a hard alloy shaft sleeve resistant to high temperature corrosion and long in service life. The hard alloy shaft sleeve consists of the following components of less than 2% of C, 10%-35% of Cr, less than 5% of Si, 0%-16% of W, 1%-4% of Fe, 1%-30% of Mo, 1%-4% of Ni, less than 2% of Mn and the balance Co. According to the hard alloy shaft sleeve, through scientific and reasonable proportioning of all the components, the service life of the obtained hard alloy shaft sleeve exceeds 25 days in a 480 DEG C zinc liquid corrosion environment, the prepared hard alloy shaft sleeve has better wear resistance and corrosion resistance, and the service life is remarkably prolonged.

Description

Technical field [0001] The present invention relates to a carbide shaft sleeve, and more particularly to a hard alloy bushing with high temperature corrosion and long life. Background technique [0002] Cobalt-based rigid alloys have excellent hardness, wear resistance, strength and toughness, heat resistance, corrosion resistance, etc., especially its high hardness and wear resistance, even if the temperature is substantially unchanged at 500 ° C. There is still a high hardness at 1000 ° C. [0003] The bushing is an important consuming piece of steel continuous hot galvanized production, which is to reduce the wear of the roller shaft to reduce the number of replacement of the roller shaft. Therefore, the zinc pot roller sleeve requires high hardness, high resistance, and high temperature-resistant melting metal corrosion. At present, the zinc wok roller is generally used in stainless steel shafts, and the coating resistant to corrosion resistance is prepared on the surface, an...

Claims

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Application Information

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IPC IPC(8): C22C19/07C22C30/00C23C2/06C23C2/40
CPCC22C19/07C22C30/00C23C2/003C23C2/06C23C2/40
Inventor 谭兴海郝荣亮陈其汉陈永进高明洪昌华
Owner 芜湖舍达激光科技有限公司