| 0CrMnTiH齿轮钢的淬透性计算及窄淬透性带控制 |
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| 引用本文： | 王继臣,赵千水,李超群,白刚.0CrMnTiH齿轮钢的淬透性计算及窄淬透性带控制[J].特殊钢,2019,40(2):24-27. |
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| 作者姓名： | 王继臣 赵千水 李超群 白刚 |
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| 作者单位： | 本钢板材股份有限公司特殊钢厂，本溪117000 |
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| 摘 要： | 采用非线性方程计算法计算20CrMnTiH钢末端淬透性,只需利用生产实际数据加以修正,就能进行精确的淬透性计算和预报,与实测值偏差不超过2HRC。采用化学成分设计和控制,保证20CrMnTiH钢△C]不超过0.007%,△Si]波动不超过0.04%,△Mn]、△Cr]不超过0.02%,△Ti]不超过0.01%,△Alt]不超过0.010%,Ni]、Cu]不超过0.05%,Mo]、W]、V]不超过0.03%,P]、S]不超过0.020%,N]和B]分别不超过0.006 0%和0.0005%,并控制碳偏析指数不超过1.035%,可实现国际先进水平的末端淬透性HRC4带宽控制。
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| 收稿时间： | 2018-09-06 |
Hardenability Calculation of 20CrMnTiH Gear Steel and Control of Narrow Hardenability Band |
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| Wang Jichen,Zhao Qianshui,Li Chaoqun,Bai Gang.Hardenability Calculation of 20CrMnTiH Gear Steel and Control of Narrow Hardenability Band[J].Special Steel,2019,40(2):24-27. |
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| Authors: | Wang Jichen Zhao Qianshui Li Chaoqun Bai Gang |
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| Affiliation: | Special Steel Plate Plant,Benxi Steel Plates Co,Ltd,Benxi 117000 |
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| Abstract: | The calculation method of the nonlinear equation is used to calculate the hardenability of 20CrMnTiH steel, and it can only be corrected by the actual production data, and can be used to calculate and predict the hardenability accurately. The deviation between the calculated value and the measured value is not more than 2HRC. By chemical composition design and control 20CrMnTiH steel ,it is to ensure △ C] less than 0.007% ,△ Si] less than 0. 04% , △ Mn ] , △ Cr] less than 0.02% ,△ Ti] less than 0. 01% , △ Alt] less than 0. 010% , Ni] , Cu] no more than 0. 05% , Mo] , W], V] no more than 0.03% , P] , S] no more than 0. 020% , N] and B] no more than 0. 006 0% and 0. 000 5% respectively ,and the control of carbon segregation index is less than 1.035% ,the end quenching can achieve the international advanced level of the permeability of HRC4 bandwidth control. |
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| Keywords: | 20CrMnTiH Hardenability Calculation Narrow Hardenability Band Control |
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