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《SPECIAL STEEL TECHNOLOGY》 1997-04
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A Study on Oxygen Content Control of GCr15 Steel

Qin Mingfu (No. 4 Steel Plant of Changcheng Special Steel Co. )  
Influences of unit time on Ar volume blown into Steel liquid per unit weight and of slag thickness on deoxidation are discussed in the paper. The control of Vacuum Air-Pumping temperature and vacuum killing temperature is also ana lyzed. At last, how much aluminium will be fed when final deoxidation is carried out is studied.
【CateGory Index】: TG14
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