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A kind of impact-resistant and wear-resistant steel ball and its preparation method

An anti-shock and wear-resistant steel ball technology, applied in the field of wear-resistant steel balls, can solve the problems of the harsh working environment of wear-resistant steel balls, the impact resistance and wear resistance of ordinary steel balls cannot meet the requirements of wear-resistant steel balls, etc.

Active Publication Date: 2018-10-12
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 and wear 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 impact-resistant and wear-resistant steel ball

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] An impact-resistant and wear-resistant steel ball, the weight percentage of each component is as follows: C: 0.8%; Cr: 10%; Si: 0.3%; Mn: 0.31%; Ni: 3%; B: 0.08%; Zr: 0.8%; Mo: 0.3%; V: 0.22%; Ti: 0.022%; Al: 0.01%; Nb: 0.04%; P: 0.014%;

[0018] The preparation method of the above-mentioned impact-resistant and wear-resistant steel balls includes the following steps: after melting the scrap steel, inspecting, adding carbon, chromium, silicon, manganese, nickel, boron, zirconium, molybdenum, vanadium, titanium, aluminum, niobium, and performing rough refining , refining, continuous casting, and rolling to obtain hot-rolled round steel whose composition meets the above range; heating the hot-rolled round steel to 1040°C is T 1 Temperature, keep warm for 10 minutes, cut into material sections, forge 25 times, adjust the temperature to 928°C as T 2 temperature, keep warm for 10min, forge 45 times, cool to room temperature at a rate of 5°C / s to obtain a spherical forging w...

Embodiment 2

[0020] An impact-resistant and wear-resistant steel ball, the weight percentage of each component is as follows: C: 1%; Cr: 9%; Si: 0.6%; Mn: 0.3%; Ni: 5%; B: 0.06%; Zr: 1.2%; Mo: 0.1%; V: 0.23%; Ti: 0.02%; Al: 0.03%; Nb: 0.02%; P: 0.013%;

[0021] The preparation method of the above-mentioned impact-resistant and wear-resistant steel balls includes the following steps: after melting the scrap steel, inspecting, adding carbon, chromium, silicon, manganese, nickel, boron, zirconium, molybdenum, vanadium, titanium, aluminum, niobium, and performing rough refining , refining, continuous casting, and rolling to obtain hot-rolled round steel whose composition satisfies the above range; heating the hot-rolled round steel to 980°C is T 1 Temperature, keep warm for 20min, cut into material sections, forge 20 times, adjust the temperature to 840°C as T 2 Temperature, heat preservation for 20min, forging 35 times, cooling to room temperature at a rate of 8°C / s to obtain a spherical for...

Embodiment 3

[0023] An impact-resistant and wear-resistant steel ball, the weight percentage of each component is as follows: C: 0.85%; Cr: 9.8%; Si: 0.4%; Mn: 0.307%; Ni: 3.5%; B: 0.075%; Zr: 0.9%; Mo: 0.25%; V: 0.223%; Ti: 0.0215%; Al: 0.015%; Nb: 0.035%; P: 0.012%;

[0024] The preparation method of the above-mentioned impact-resistant and wear-resistant steel balls includes the following steps: after melting the scrap steel, inspecting, adding carbon, chromium, silicon, manganese, nickel, boron, zirconium, molybdenum, vanadium, titanium, aluminum, niobium, and performing rough refining , refining, continuous casting, and rolling to obtain hot-rolled round steel whose composition meets the above range; heating the hot-rolled round steel to 1030°C is T 1 Temperature, keep warm for 13 minutes, cut into material sections, forge 24 times, adjust the temperature to 911°C as T 2Temperature, heat preservation for 13min, forging 42 times, cooling to room temperature at a rate of 6°C / s to obtai...

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PUM

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Abstract

The invention discloses an impact-resisting wear-resisting steel ball. The impact-resisting wear-resisting steel ball comprises the components, by weight percentage, 0.8% to 1% of C, 9% to 10% of Cr, 0.3% to 0.6% of Si, 0.3% to 0.31% of Mn, 3% to 5% of Ni, 0.06% to 0.08% of B, 0.8% to 1.2% of Zr, 0.1% to 0.3% of Mo, 0.22% to 0.23% of V, 0.02% to 0.022% of Ti, 0.01% to 0.03% of Al, 0.02% to 0.04% of Nb, 0% to 0.014% of P, 0% to 0.002% of S, and the balance Fe. The invention discloses a making method of the impact-resisting wear-resisting steel ball. The impact-resisting wear-resisting steel ball is good in impact resistance, high in impact toughness and good in wear resistance.

Description

technical field [0001] The invention relates to the technical field of wear-resistant steel balls, in particular to an 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 and wear 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 impact-resistant and wear-resistant steel ball. Contents of the invention [0003] Based on the technical problems in the background technology, the invention proposes an impact-resistant and wear-resistant steel ball and a preparation method thereof. The invention has high i...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C22C38/18C22C38/08C22C38/02C22C38/04C22C38/14C22C38/12C22C38/06C21D8/00C21D1/18C21D9/36
CPCC21D1/18C21D6/004C21D8/005C21D9/36C21D2211/002C21D2211/008C22C38/02C22C38/04C22C38/06C22C38/08C22C38/12C22C38/14C22C38/18C22C38/32
Inventor 朱冬祥董舜杰赵娜娜吴玢阮和平
Owner ANHUI RUITAI NEW MATERIALS TECH
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