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专利名称:一种含氮、硫非调质钢的生产方法专利号:ZL 200910063354.X专利权人:武汉钢铁(集团)公司专利简介:本发明公开了一种含氮、硫非调质钢的生产方法。它包括以下步骤:(1)钢水进入钢包精炼炉后进行底吹氮气;(2)吹氮结束后向钢包精炼炉吹氩气;(3)吹氩结束前15min检测氮含量;(4)根据钢中的氮含量加入金属氮化物,控制氮的
Patent Name: Method for producing nitrogen and sulfur non-quenched and tempered steel Patent No. ZL 200910063354X Patentee: Wuhan Iron and Steel (Group) Company Patent Summary: The invention discloses a nitrogen-containing and sulfur non-quenched and tempered steel Production methods. The method comprises the following steps of: (1) carrying out bottom blowing of nitrogen after the molten steel enters the ladle refining furnace; (2) blowing argon into the ladle refining furnace after the nitrogen blowing ends; (3) detecting the nitrogen content 15min before the argon blowing ends; (4) The nitrogen content in the steel is added to the metal nitride to control the nitrogen