| 窄淬透性齿轮钢20CrMnTiH5工艺研究 |
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| 引用本文： | 谢海平,杨庆敏,刘骅震,乔兵. 窄淬透性齿轮钢20CrMnTiH5工艺研究[J]. 中国冶金, 2013, 23(7): 24-27 |
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| 作者姓名： | 谢海平 杨庆敏 刘骅震 乔兵 |
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| 作者单位： | 1.东北特钢集团大连特殊钢有限公司，辽宁大 连 116105
2.天津港（集团）有限公司，天津 300461 |
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| 摘 要： | 针对齿轮钢20CrMnTiH5窄淬透性带及低氧含量、高纯净度等生产质量难点，通过优化内控化学成分，采用四位一体短流程生产工艺，冶炼加强控制脱氧和夹杂物上浮工艺、轧制采用控轧控冷工艺、表面采用红外线探伤和修磨相结合方式，产品实物质量达到了低氧、晶粒细小、组织均匀、窄淬透性带、表面无缺陷的高质量水平。
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| 关 键 词： | 齿轮钢 低氧 窄淬透性带 高纯净度 |
Processing Research on Hardenability Characteristic of Gear Steel 20CrMnTiH5 |
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| XIE Hai-ping,YANG Qing-min,LIU Hua-zhen,QIAO Bing. Processing Research on Hardenability Characteristic of Gear Steel 20CrMnTiH5[J]. China Metallurgy, 2013, 23(7): 24-27 |
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| Authors: | XIE Hai-ping YANG Qing-min LIU Hua-zhen QIAO Bing |
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| Affiliation: | 1. Dongbei Special Steel Group Co.， Ltd.， Dalian Iron and Steel Group Co.， Ltd.， Dalian 116105， Liaoning， China2. Tianjin Port（Group） Co.， Ltd.， Tianjin 300461， China |
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| Abstract: | According to narrow hardenability range, low oxygen content and hing purity of gear steel 20CrMnTiH5, Optimizing the chemical compositon of production and applying “quaternity” advanced technology. Enhancing deoxy-operation and excluding inclusion in smelting process and controlled rolling and cooling process in rolling process, using a combination of infrared flaw detection and grinding for controlling product surface , The products quality has reached a high purity, fine grain , homogeneous, narrow hardenability with surface defects in a high quality level. |
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| Keywords: | gear steel oxygen narrow hardenability high purity |
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