Proceedings of the Korean Society for Technology of Plasticity Conference (한국소성가공학회:학술대회논문집)
- 2009.04a
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- Pages.65-71
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- 2009
An Improved Alloy for Forged Rolls for Cold Rolling
내사고성이 우수한 냉간 압연용 단강 Roll 재질 개발
- Park, S.Y. (Materials Engineering Team, Casting & Forging Business Group, Doosan Heavy Industries & Construction, Ltd) ;
- Lee, J.H. (Materials Engineering Team, Casting & Forging Business Group, Doosan Heavy Industries & Construction, Ltd) ;
- Weon, J.C. (Materials Engineering Team, Casting & Forging Business Group, Doosan Heavy Industries & Construction, Ltd) ;
- Lee, W.D. (Materials Engineering Team, Casting & Forging Business Group, Doosan Heavy Industries & Construction, Ltd) ;
- Yoon, J.H. (Materials Engineering Team, Casting & Forging Business Group, Doosan Heavy Industries & Construction, Ltd) ;
- Park, Y.C. (Casting & Forging Technology Development Team, Casting & Forging Business Group, Doosan Heavy Industries & Construction, Ltd)
- 박세용 (주단소재기술팀, 주단BG, 두산중공업) ;
- 이정훈 (주단소재기술팀, 주단BG, 두산중공업) ;
- 원종철 (주단소재기술팀, 주단BG, 두산중공업) ;
- 이우동 (주단소재기술팀, 주단BG, 두산중공업) ;
- 윤종호 (주단소재기술팀, 주단BG, 두산중공업) ;
- 박영철 (주단기술고도화팀, 주단BG, 두산중공업)
- Published : 2009.04.24
Abstract
The process of cold rolling is becoming more severe with the increase in the production of high tensile steel strip as a result of increased demand. Consequently, there is a need to develop work roll materials with better resistance to wear and roll failure. DOOSAN has developed an improved in-house 5%Cr alloy, New HSR1, with properties superior to the existing in- house 5%Cr alloy, Old HSR1. Test alloys were designed with controlled amounts of Si and Mn based on Old HSR1 and an optimum alloy was chosen based on thermal shock tests. A prototype work roll was manufactured with New HSR1, and properties of test specimens were evaluated. The results indicated that New HSR1 has better properties than Old HSR1. After application of New HSR1 work rolls, productivity increased due to advanced resistance to wear and roll failure.