酸性渣重熔含硫高速钢M35的质量研究  

Research on Quality of high Speed Steel M35 Bearing Sulfur Remelting by Acid Slag

作　　者：谢志彬 邵青立 张国平 王凯 何宁 Xie Zhibin;Shao Qingli;Zhang Guoping;Wang Kai;He Ning(Heye Science and Technology Co.Ltd,Shijiazhuang 052165;Hebei High Speed Tool Steel Engineering and Technology Research Center,Shijiazhuang 052165)

机构地区：[1]河冶科技股份有限公司,石家庄052165 [2]河北省高速工具钢工程技术研究中心,石家庄052165

出　　处：《特殊钢》2019年第1期27-30,共4页Special Steel

摘　　要：使用1 t双极电渣炉试验研究了大气条件下酸性渣重熔含硫M35高速钢(0.015%～0.030%S)的成分变化和碳化物、非金属夹杂物的质量水平。酸性渣重熔时,钢锭大小头硫、硅、锰、铬有较大的差值,化渣时添加硫化钙和倒渣时加入锰铁粉,可减小钢锭大小头差值。酸性渣重熔的含硫M35高速钢轧材碳化物不均度、颗粒度质量水平与常规碱性渣系相当,非金属夹杂物A类≤1.5级、B、C、D类≤1.0级。It was studied the quality of carbide,non-metallic inclusions and composition change of sulfur bearing M35 high speed steel (0.015%-0.030 S)using acid slag remelting in atmospheric conditions using the 1t double electrode furnace.When the acid slag was remelting,the sulfur,silicon,manganese,chromium have a large difference between the two ends of the ingot,the difference reduced using the method of adding calcium sulfide when slag melting and adding manganese iron when Slag dump.The quality level of carbide nonuniformity、granularity of sulfur bearing M35 high speed steel mill bar is similar to that of conventional alkaline slag,non-metallic inclusions class A is less than 1.5,B,C and D,which are less than or equal to 1.0.

关 键 词：含硫高速钢M35 电渣重熔 酸性渣 化学成分 碳化物 非金属夹杂物 

分 类 号：TF703[冶金工程—钢铁冶金]