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Effect of argon blow through a monoblock stopper in continuous casting of steel on the service of the stopper and nonmetallic inclusions in the cast steel

  • Refractories At The User
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Abstract

Kinetic equations of the dependence of the wear of corundum-graphite monoblock stoppers in the slag line and the head on the temperature of the steel in the intermediate ladle in continuous casting are derived as a result of a full-scale experiment. The equations make it possible to calculate the casting time at any possible temperature of casting with the use of corundum-graphite monoblock stoppers of a standard composition (TU 14-8-371-81). In addition to increasing substantially the number of casting cycles in a batch, argon blow through monoblock stoppers with porous inserts improves the quality parameters of cast steel ShKh-15 with respect to segregation bands, globules, central porosity, carbide segregation, content of sulfides and oxides, and subshrinkage segregation.

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References

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Authors and Affiliations

  1. Central Research Institute of Materials, St. Petersburg, Russia

    Yu. N. Vil’k, A. A. Kortel’ & L. M. Aksel’rod

  2. St.Petersburg Institute of Refractories JSC, St. Petersburg, Russia

    Yu. N. Vil’k, A. A. Kortel’ & L. M. Aksel’rod

Authors
  1. Yu. N. Vil’k
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  2. A. A. Kortel’
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  3. L. M. Aksel’rod
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Vil’k, Y.N., Kortel’, A.A. & Aksel’rod, L.M. Effect of argon blow through a monoblock stopper in continuous casting of steel on the service of the stopper and nonmetallic inclusions in the cast steel. Refract Ind Ceram 40, 275–278 (1999). https://doi.org/10.1007/BF02762301

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  • DOI: https://doi.org/10.1007/BF02762301

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