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
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Examples
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...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com