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Anti-corrosive steel ball and preparation method thereof

A corrosion-resistant steel and corrosion-resistant technology, which is applied in the field of corrosion-resistant steel balls and their preparation, can solve the problems of harsh working environment of wear-resistant steel balls, and the corrosion resistance of ordinary steel balls cannot meet the requirements of wear-resistant steel balls, so as to increase the resistance Impact resistance, increased corrosion resistance and wear resistance, effect of increased corrosion resistance and wear resistance

Inactive Publication Date: 2016-12-07
ANHUI RUITAI NEW MATERIALS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the rapid development of domestic and foreign mining, construction, metallurgy, chemical industry, power plant, cement and other industries, the demand for wear-resistant steel balls is increasing, and the working environment of wear-resistant steel balls is getting worse and worse. The corrosion resistance of the ball can no longer meet the requirements of the above industries for wear-resistant steel balls, so it is necessary to provide a new corrosion-resistant steel ball

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A corrosion-resistant steel ball, the weight percentage of each component is as follows: C: 0.1%; Cr: 16%; Si: 0.8%; Mn: 2%; B: 0.02%; Ni: 1.5%; Cu: 0.05% ; Y: 2%; P: 0.02%; S: 0.01%; the remainder is Fe.

[0018] The preparation method of the above-mentioned corrosion-resistant steel ball includes the following steps: after melting the scrap steel, inspecting, adjusting the composition, performing rough refining, refining, and casting out of the furnace to obtain a casting whose composition meets the above range; heating the casting to 1300° C., and keeping it warm for 1.5 hours, Carry out rolling, cool to room temperature at a rate of 8°C / s, heat up to 800°C, hold for 60 minutes, quench with water at a temperature of 80°C for 20s, adjust the temperature to 180°C, hold for 6 hours, and air cool to room temperature to obtain the intermediate steel ball; Grind the middle steel ball, clean it ultrasonically with ethanol, add it to the coating solution, raise the temperatu...

Embodiment 2

[0021] A corrosion-resistant steel ball, the weight percentage of each component is as follows: C: 0.2%; Cr: 14%; Si: 1.5%; Mn: 1.5%; B: 0.03%; Ni: 0.5%; Cu: 0.07% ; Y: 1%; P: 0.018%; S: 0.009%; the remainder is Fe.

[0022] The preparation method of the above-mentioned corrosion-resistant steel ball includes the following steps: after melting the scrap steel, inspecting, adjusting the composition, performing rough smelting, refining, and casting out of the furnace to obtain a casting whose composition meets the above range; heating the casting to 1200° C., and keeping it warm for 2.5 hours, Carry out rolling, cool to room temperature at a rate of 5°C / s, heat up to 850°C, hold for 30 minutes, quench with water at a temperature of 100°C for 10s, adjust the temperature to 200°C, hold for 5 hours, and air cool to room temperature to obtain the intermediate steel ball; Grind the middle steel ball, clean it ultrasonically with ethanol, add it to the coating solution, raise the temp...

Embodiment 3

[0025] A corrosion-resistant steel ball, the weight percentage of each component is as follows: C: 0.12%; Cr: 15.5%; Si: 1%; Mn: 1.9%; B: 0.023%; Ni: 1.3%; Cu: 0.055% ; Y: 1.8%; P: 0.015%; S: 0.008%; the remainder is Fe.

[0026] The preparation method of the above-mentioned corrosion-resistant steel ball includes the following steps: after melting the scrap steel, inspecting, adjusting the composition, performing rough smelting, refining, and casting out of the furnace to obtain a casting whose composition meets the above range; heating the casting to 1270° C., and keeping it warm for 1.8 hours, Carry out rolling, cool to room temperature at a rate of 7°C / s, heat up to 810°C, hold for 50 minutes, quench with water at a temperature of 85°C for 17s, adjust the temperature to 185°C, hold for 5.8 hours, and air cool to room temperature to obtain an intermediate steel ball ; Grind the middle steel ball, ultrasonically clean it with ethanol, add it to the coating solution, raise th...

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PUM

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Abstract

The invention discloses an anti-corrosive steel ball. The anti-corrosive steel ball comprises, by weight, 0.1-0.2% of C, 14-16% of Cr, 0.8-1.5% of Si, 1.5-2% of Mn, 0.02-0.03% of B, 0.5-1.5% of Ni, 0.05-0.07% of Cu, 1-2% of Y, 0-0.02% of P, 0-0.01% of S, and the balance Fe. The invention further discloses a preparation method of the anti-corrosive steel ball. The anti-corrosive steel ball is good in corrosion resistance, high in wear resistance and good in mechanical property.

Description

technical field [0001] The invention relates to the technical field of steel balls, in particular to a corrosion-resistant steel ball and a preparation method thereof. Background technique [0002] With the rapid development of domestic and foreign mining, construction, metallurgy, chemical industry, power plant, cement and other industries, the demand for wear-resistant steel balls is increasing, and the working environment of wear-resistant steel balls is getting worse and worse. The corrosion resistance of the ball can no longer meet the requirements of the above-mentioned industries for wear-resistant steel balls, so it is necessary to provide a new corrosion-resistant steel ball. Contents of the invention [0003] Based on the technical problems in the background technology, the invention proposes a corrosion-resistant steel ball and a preparation method thereof. The invention has good corrosion resistance, high wear resistance and good mechanical properties. [0004...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C22C38/58C22C38/54C22C38/42C09D163/00C09D183/08C09D7/12C09D5/08
CPCC22C38/58C09D4/06C09D5/08C22C38/005C22C38/42C22C38/54
Inventor 唐荣朱冬祥阮和平赵娜娜吴玢
Owner ANHUI RUITAI NEW MATERIALS TECH
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