| 宝钢热轧超高强度钢的研究开发 |
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| 引用本文： | 郑磊,张爱文,唐文军.宝钢热轧超高强度钢的研究开发[J].宝钢技术,2009(3):36-41. |
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| 作者姓名： | 郑磊 张爱文 唐文军 |
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| 作者单位： | 宝钢研究院,上海,201900 |
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| 摘 要： | 在实验室研究了成分及冷却工艺对高强度低合金钢、复相钢、马氏体钢等热轧超高强度钢组织和性能的影响，并在宝钢1880mm热连轧生产线进行了S700MC和MP1200热轧超高强度钢的工业性试验。相对于以往的高强度热轧产品而言，新开发的热轧超高强度钢采用了“以水代合金”的设计思想，通过经济的成分设计、轧后控制冷却技术的有效利用，不同冷却工艺的控制，可实现用相同的成分获得不同强度等级要求的超高强度热轧钢。
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| 关 键 词： | 高强度低合金钢 复相钢 马氏体钢 |
Research and Development of Ultra-high Strength Hot-rolled Steel at Baosteel |
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| ZHENG Lei,ZHANG Aiwen,TANG Wenjun.Research and Development of Ultra-high Strength Hot-rolled Steel at Baosteel[J].Baosteel Technology,2009(3):36-41. |
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| Authors: | ZHENG Lei ZHANG Aiwen TANG Wenjun |
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| Affiliation: | (Baosteel Research Institute, Shanghai 201900, China) |
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| Abstract: | Effect of the composition and cooling processing on the microstructure and properties of ultra-high hot-rolled strength steel which were HSLA-steel, complex phase steel and martensitic steel was studied in laboratories. The S700MC and MP1200 ultra-high strength steels were trial-produced on Baosteel＇ s 1 880 mm hot rolling mill. Compared with the conventional high strength hotrolled products, the newly developed ultra-high strength hot-rolled steel adopted the design idea of ＂replacing alloy with water＂. With an economical composition design and an effective controlled cooling technology, some ultra-high strength steels with different strength grades were obtained. Their chemical composition was the same but the controlled cooling technologies used were different. |
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| Keywords: | high-strength low-alloy （HSLA） steel complex phase steel martensitic steel |
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