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Baosteel Stainless Overcomes Vacuum Melting Bottleneck
04/17/2012 - Baosteel Stainless has successfully overcome the vacuum-melting process bottleneck, with a record monthly melting output of 21,190 tonnes.
Baosteel Stainless has successfully overcome its vacuum-melting process bottleneck, with monthly melting output over 20,000 tonnes, at 21,190 tonnes. Previous monthly output of Baosteel Stainless VOD was about 10,000 tonnes. The melting efficiency of high chrome super pure ferritic stainless steel is 100%, which has enabled Baosteel to produce more efficiently, more stably, and in larger scale.
Vacuum melting is a high-end process in the stainless steel manufacturing procedure. Ultralow C-N stainless steel, ultrapure ferritic stainless steel, etc. must undergo vacuum melting in order to satisfy the demanding N content, liquid steel purity, and surface quality. Baosteel Stainless notes that in its designed product mix, such “challenging variety is not engaged.”
In terms of operation and control, the steelmaking plant has not only improved operation proposal, but also brought out an on-site technician tracking mechanism. This past March, the plant not only set a record high of over 20,000 tonnes monthly output, with demand of special grade steel in over 10 applications such as 409L, 439, and 444, but it also achieved high quality. According to Baosteel Stainless, the incidence of quality defects of ultrapure ferritic stainless steel was below the average level of last year.
