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Anti-corrosive anti-impact wearable steel ball and preparation method thereof

A technology of impact resistance, wear resistance and corrosion resistance, which is applied in the field of wear-resistant steel balls, and can solve problems such as the harsh working environment of wear-resistant steel balls, and the unsatisfactory impact resistance, wear resistance and corrosion resistance of ordinary steel balls.

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 impact resistance, wear resistance and 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, impact-resistant and wear-resistant steel ball

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] A corrosion-resistant impact-resistant wear-resistant steel ball, the weight percentage of each component is as follows: C: 0.7%; Cr: 13%; Si: 1%; Mn: 1.6%; B: 0.05%; Ni: 2%; Y: 2.1%; Ti: 0.06%; Cu: 0.03%; Co: 0.03%; Zr: 0.3%; Nb: 0.04%; P: 0.012%; S: 0.002%;

[0018] The preparation method of the above-mentioned corrosion-resistant, impact-resistant and wear-resistant steel balls 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 1015°C to Rolling temperature T 轧制 , keep warm for 2h, carry out rolling, and cool down to room temperature at a rate of 10°C / s to obtain an intermediate steel ball, wherein the rolling compression ratio is 6, and at the end of rolling, the temperature of the intermediate steel ball is 850°C; the intermediate steel ball Heating up to 800°C is th...

Embodiment 2

[0020] A corrosion-resistant impact-resistant wear-resistant steel ball, the weight percentage of each component is as follows: C: 0.75%; Cr: 11%; Si: 1.2%; Mn: 1.5%; B: 0.06%; Ni: 1%; Y: 2.15%; Ti: 0.04%; Cu: 0.05%; Co: 0.01%; Zr: 0.4%; Nb: 0.03%; P: 0.012%; S: 0.0019%;

[0021] The preparation method of the above-mentioned corrosion-resistant, impact-resistant and wear-resistant steel balls includes the following steps: after melting the scrap steel, inspecting, adjusting the composition, rough refining, refining, and casting out of the furnace to obtain a casting whose composition meets the above range; heating the casting to 1064°C to Rolling temperature T 轧制 , keep warm for 4h, carry out rolling, and cool down to room temperature at a rate of 6°C / s to obtain the intermediate steel ball, wherein the rolling compression ratio is 6.1, and the temperature of the intermediate steel ball is 950°C at the end of rolling; the intermediate steel ball Heating up to 863°C is the que...

Embodiment 3

[0023] A corrosion-resistant impact-resistant wear-resistant steel ball, the weight percentage of each component is as follows: C: 0.72%; Cr: 12.5%; Si: 1.05%; Mn: 1.58%; B: 0.053%; Ni: 1.7%; Y: 2.12%; Ti: 0.055%; Cu: 0.035%; Co: 0.025%; Zr: 0.32%; Nb: 0.037%;

[0024] The preparation method of the above-mentioned corrosion-resistant, impact-resistant and wear-resistant steel balls 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 1035°C to Rolling temperature T 轧制 , keep warm for 2.5h, carry out rolling, and cool down to room temperature at a rate of 9°C / s to obtain an intermediate steel ball, wherein the rolling compression ratio is 6.2, and at the end of rolling, the temperature of the intermediate steel ball is 880°C; the intermediate steel ball The temperature of the ball ...

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Abstract

The invention discloses an anti-corrosive anti-impact wearable steel ball. The anti-corrosive anti-impact wearable steel ball comprises, by weight, 0.7-0.75% of C, 11-13% of Cr, 1-1.2% of Si, 1.5-1.6% of Mn, 0.05-0.06% of B, 1-2% of Ni, 2.1-2.15% of Y, 0.04-0.06% of Ti, 0.03-0.05% of Cu, 0.01-0.03% of Co, 0.3-0.4% of Zr, 0.03-0.04% of Nb, less than or equal to 0.012% of P, less than or equal to 0.002% of S, and the balance Fe. The invention further discloses a preparation method of the anti-corrosive anti-impact wearable steel ball. The anti-corrosive anti-impact wearable steel ball is good in corrosion resistance, high in impact resistance and good in wear resistance.

Description

technical field [0001] The invention relates to the technical field of wear-resistant steel balls, in particular to a corrosion-resistant, impact-resistant and wear-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 impact resistance, wear resistance and 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, impact-resistant and wear-resistant steel ball. Contents of the invention [0003] Based on the technical problems in the background technology, the present invention proposes a corrosion-resistant, impact-resista...

Claims

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Application Information

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IPC IPC(8): C22C38/58C22C38/54C22C38/50C22C38/52C22C38/42C22C38/48C22C33/04C21D6/00
CPCC22C38/58C21D6/004C21D6/005C21D6/007C21D6/008C22C33/04C22C38/005C22C38/42C22C38/48C22C38/50C22C38/52C22C38/54
Inventor 阮和平董舜杰李欢唐荣刘坤
Owner ANHUI RUITAI NEW MATERIALS TECH
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