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    董富军, 赵和明, 刘小林, 杨才福. 板坯连铸硫系Y55钢板的研发及其性能[J]. 机械工程材料, 2017, 41(1): 72-75. DOI: 10.11973/jxgccl201701015
    引用本文: 董富军, 赵和明, 刘小林, 杨才福. 板坯连铸硫系Y55钢板的研发及其性能[J]. 机械工程材料, 2017, 41(1): 72-75. DOI: 10.11973/jxgccl201701015
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    DONG Fu-jun, ZHAO He-ming, LIU Xiao-lin, YANG Cai-fu. Research and Development of Slab Continuous Casting Sulfur Y55 Steel Plate and Its Properties[J]. Materials and Mechanical Engineering, 2017, 41(1): 72-75. DOI: 10.11973/jxgccl201701015
    Citation: DONG Fu-jun, ZHAO He-ming, LIU Xiao-lin, YANG Cai-fu. Research and Development of Slab Continuous Casting Sulfur Y55 Steel Plate and Its Properties[J]. Materials and Mechanical Engineering, 2017, 41(1): 72-75. DOI: 10.11973/jxgccl201701015
    shu

    板坯连铸硫系Y55钢板的研发及其性能

    Research and Development of Slab Continuous Casting Sulfur Y55 Steel Plate and Its Properties

      摘要
    • 摘要: 为了满足模架钢加工与使用性能的需求，采用加入易切削元素硫，并适当添加锰、钙的成分设计思路，在优化冶炼、连铸、轧制工艺的基础上成功开发出了板坯连铸硫系Y55钢板，并分析了它的硬度、组织、夹杂物与加工性能。结果表明：Y55钢板的硬度范围在180~200 HB之间，其显微组织为珠光体和网状铁素体，夹杂物是以硫化锰为主的复合夹杂物；与S50C钢板相比，Y55钢板的加工性能大幅提高。

       

      Abstract: In order to meet manching and usability needs of mold steel, a slab continuous casting sulfur Y55 steel plate was successfully developed through adding free-cutting element sulfur, appropriate manganese and calcium, and optimizing smelting, continuous casting and rolling processes; its mechanical and cutting performances were analyzed.The results show that the hardness of Y55 steel plate was 180-200 HB, the steel's microstrucure was pearlite and reticular ferrite, and the inclusions were composite inclusion mainly MnS-oriented. Compared with S50C steel plate, the machining performance of Y55 steel plate was improved sharply.

       

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