Fundamental metallurgical principles of advanced decarburization. Desc
ription of the ladle stand degassing plant used for carrying out the t
ests. Process sequence in the production of highly decarburized melts.
Effect of stirring gas rate on the overall decarburization rate. Carb
on and oxygen contents before and after the vacuum treatment. Reductio
n of the iron contents of the slag and of the oxygen contents of the s
teel melt. Effect on the nitrogen content of the melt.