| Issue |
Rev. Met. Paris
Volume 92, Number 7-8, Juillet-Août 1995
|
|
|---|---|---|
| Page(s) | 963 - 969 | |
| DOI | https://doi.org/10.1051/metal/199592070963 | |
| Published online | 23 January 2017 | |
Improvement of slab quality of ultra-low carbon steel in curved mold type continuous casting machines*
Amélioration de la qualité de brames d’aciers à ultra-bas carbone sur machine de coulée continue courbe
The casting speed of ULC-Ti steel in a curved mold type continuous casting machine used to be restricted by the formation of pencil pipe defects. These defects being caused by Ar bubbles at the immersion nozzle, a casting method without addition of Ar gas has been developed. With this method, casting speed could be raised and, at the same time, the occurrence of pencil pipe defects and phosphorous slivers reduced. The increase in alumina slivers could partly be compensated for by the higher casting speed made possible by the new casting method.
© La Revue de Métallurgie 1995
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