摘要
通过跟踪H13钢不同冶炼过程夹杂物演变规律,结合热力学计算,确认了中南股份H13钢洁净度差的主要原因。通过采取提高转炉出钢碳含量、优化炉后铝合金加入量、改善LF炉底吹氩气控制、延迟RH真空处理时间、取消钙处理等工艺措施,实现了高洁净度H13钢的连续生产,满足了韶钢H13钢高纯净度的质量控制要求。
The reasons for the poor cleanliness of steel H13 in ZNIS are confirmed through the tracking of the cleanliness of steel H13,combined with the thermodynamic calculation and the analysis of the evolution of inclusions in the smelting processes.The continuous production of H13 with high cleanliness has been realized by improving the carbon content of converter,optimizing the amount of aluminum alloy after tapping,improving the control of argon gas blowing at the bottom of LF,delaying the time of RH treatment and canceling the calcium treatment,etc.,which has met the quality control requirements of high purity of the steel.
作者
余大华
曾令宇
YU Da-hua;ZENG Ling-yu(Guangdong ZNIS Co.,Ltd.of Baowu Group Zhongnan Iron&Steel,Shaoguan,Guangdong,512123,P.R China)
出处
《南方金属》
CAS
2023年第4期25-29,共5页
Southern Metals
基金
广东省重点领域研发计划项目:高品质热作模具钢研发与产业化(2020B010184001)。
关键词
H13钢
夹杂物演变规律
出钢脱氧
精炼工艺优化
steel H13
evolution of inclusions
deoxidation after tapping
refining process optimization
作者简介
余大华(1984-),男,2008年毕业于昆明理工大学冶金工程专业,工程师。
