| 冷轧精密钢管用芯棒的选材和热处理 |
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| 引用本文： | 邓尔康.冷轧精密钢管用芯棒的选材和热处理[J].钢管,2005,34(5):45-48. |
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| 作者姓名： | 邓尔康 |
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| 作者单位： | 宝钢集团上海钢管有限公司,上海,200940 |
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| 摘 要： | 讨论了冷轧精密钢管的关键工模具冷轧芯棒的工况特点、选材和热处理工艺。分析了GCr15钢冷轧芯棒在制造工艺和实践应用中存在的问题以及9CrSi、Cr12MoV钢的材料特性。提出了冷轧芯棒合理的制造工艺。解决了细长类工具冷轧芯棒在进行热处理变形控制的同时获得高硬度高耐磨性的工艺难题。
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| 关 键 词： | 冷轧芯棒 选材 热处理工艺 热浴分级淬火 热校 |
| 文章编号： | 1001-2311（2005）05-0045-04 |
| 收稿时间： | 2004-08-05 |
| 修稿时间： | 2004年8月5日 |
Material Selection and Heat Treatment of Mandrel for Precision Steel Tube Cold-rolling Process |
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| Deng Erkang.Material Selection and Heat Treatment of Mandrel for Precision Steel Tube Cold-rolling Process[J].Steel Pipe,2005,34(5):45-48. |
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| Authors: | Deng Erkang |
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| Affiliation: | Baosteel Group Shanghai Steel Tube Co., Ltd., Shanghai 200940, China |
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| Abstract: | Described in the article are the main aspects concerning the mandrel, a key process tool for cold- rolling of precision seamless steel tube, including the work condition characteristics, material selection and heat treatment. And analyses are also made on the problems concerning the manufacturing process and operation of the GCr15 steel mandrel as well as the material characteristics of the 9CrSi and Cr12MoV steels. As a result, a proper manufacturing process of the said mandrel is proposed in order to solve the chronic technological problem of how to properly control the heat treatment deformation of slim tools like the mandrel in a bid to get both high hardness and high wearability. |
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| Keywords: | Mandrel for tube cold-rolling Material selection Heat treatment process Hot bath stepped-quenching Hot-bend correction |
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