For un-deoxygenated molten steel, the present invention also provides the calculation method of determining the required oxygen blowing amount before quieting. 对于处理前未脱氧钢液,本发明的方法还提供了确定镇静前所需吹氧量的计算方法。
For un-deoxygenated molten steel, the present invention also provides the calculation method of determining the required oxygen blowing amount before quieting. 对于处理前未脱氧钢液,本发明的方法还提供了确定镇静前所需吹氧量的计算方法。