Researches on the influence of slag addition and secondary treatment duration on steel quality

International Conference on Applied Sciences

自然科学（总论）

Ardelean, E.^1 ; Ardelean, M.^1 ; Socalici, A.^1 ; Puan, V.^1 ; Puan, A.^1

Politehnica University of Timisoara, Engineering and Management Department, 5 Revolution Street, Hunedoara

331128, Romania^1

关键词: Economical effects;    Further treatments;    Industrial practices;    Oxygen content;    Processing stage;    Secondary treatment;    Steel quality;    Two parameter;   

Others  :  https://iopscience.iop.org/article/10.1088/1757-899X/477/1/012010/pdf
DOI  :  10.1088/1757-899X/477/1/012010

学科分类：自然科学（综合）

来源: IOP

【 摘 要 】

Steel physical, mechanical and usage characteristics are influenced by its elaboration, secondary treatment, casting and further treatment. But if elaboration and secondary treatment do not benefit from the appropriate qualitative technological steps, it will not be possible to correct the resulting fails during the casting and processing stages. This paper introduces some laboratory researches related to the way steel quality can be influenced (in terms of sulphur and oxygen content) by the variation of the secondary treatment duration (inside the ladle) and that of the quantity of the reducing mixture in use (depending on the targeted metallurgical effect). The result consists in recommendable optimal variation intervals for the two parameters; these results can be easily implemented in industrial practice and therefore, with minimum costs, one can obtain maximal technological and economical effects.