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Original name record: 宝钢德盛不锈钢有限公司

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1 indexed patent records

№ CN121344460AInvention
Active

一种采用中硅硅锰制造200系不锈钢的方法

本发明公开一种采用中硅硅锰制造200系不锈钢的方法，包括GOR精炼阶段；该阶段的氧化期的高碳锰铁添加量为0、过程锰含量在0.3～1.5%，终点C、Mn含量分别在0.06～0.12%、0.3%～1.2%，终点铁水温度为1710℃～1730℃；氧化期结束后，向炉内加入中硅硅锰进行还原，中硅硅锰的添加量依据目标钢种对C、Si、Mn的成分要求，通过理论计算确定；出钢前若实测Mn、Cu低于目标钢种成分要求时，则补加高硅硅锰、电解铜至符合要求；中硅硅锰为C≤0.35%、Si为10%‑15%、Mn为75%‑80%、P≤0.1%的锰合金。本发明通过改变锰合金原料的种类，提高冶炼效率，使得整体成本进一步降低。

❖宝钢德盛不锈钢有限公司王志勇; 李晓军; 石磊; 陈为本; 谢恩敬; 王栋梁; 邵龙威; 杨吉林; 段佳云; 黎涛; 刘锦润§ 3/5 ClaimsC22C 33/06 (2006.01), C21C 7/068 (2006.01), C22C 38/42 (2006.01) +27