| 迁钢2160mm超快冷工艺下X70管线钢减量化工艺研究及应用 |
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| 引用本文： | 赵金华,;王学强,;赵林,;唐帅,;袁国,;邸洪双.迁钢2160mm超快冷工艺下X70管线钢减量化工艺研究及应用[J].河南冶金,2014(3):18-20. |
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| 作者姓名： | 赵金华 ;王学强 ;赵林 ;唐帅 ;袁国 ;邸洪双 |
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| 作者单位： | [1]东北大学、轧制技术及连轧自动化国家重点实验室; [2]首钢股份迁安钢铁公司 |
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| 摘 要： | 针对14.2 mm X70管线钢,采用超快冷工艺方法,研究了节约型成分设计条件下,轧后冷却制度对14.2 mm X70管线钢显微组织及力学性能的影响。研究表明,在降低Nb 20%~30%情况下,利用轧后超快冷能够获得理想的X70显微组织及力学性能,并获得了14.2 mm X70合理的减量化轧制工艺。工业化大批量生产实践表明,超快冷下减量化14.2 mm X70管线钢力学性能良好稳定,很好地满足了生产需求。
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| 关 键 词： | 热轧板带钢 超快冷 X管线钢 减量化轧制 工艺研究 |
RESEARCH AND APPLICATION OF LOW-COST ROLLING TECHNOLOGY OF X70 PIPELINE STEEL UNDER ULTRA- FAST COOLING FOR QIAN STEEL 2160 mm PRODUCTION LINE |
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| Affiliation: | Zhao Jinhua,Wang Xueqlang, Zhao Lin, Tang Shuai,Yuan Guo, Di Hongshuang ( 1. State Key Laboratory of Rolling and Automation, Northeastern University ; 2. Shougang Qian An Iron and Steel Co. , Ltd) |
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| Abstract: | For 14. 2 mm X70 pipeline steel,the ultra- fast cooling technology was used combined with the economizing chemical composition design. The influence of cooling path on 14. 2 mm X70 pipeline steel microstructure and mechanical properties were studied. The results showed that the ideal microstructure and mechanical properties of X70 pipeline steel could be gained by ultra- fast cooling system for a X70 pipeline steel with decreasing 20%- 30% Nb content. The reasonable low cost rolling technology was achieved for 14. 2 mm X70 pipeline steel. Industrial application results showed that,the mechanical properties were stable for low cost 14. 2 mm X70 pipeline steel under ultra- fast cooling system and could meet the production requirements. |
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| Keywords: | Hot Rolled Strip Ultra-fast Cooling X70 Pipeline Steel Low-cost Rolling Research of Technology |
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