| Issue |
Rev. Met. Paris
Volume 100, Number 4, April 2003
AciériesMétallurgie Coulée continue Réfractaires |
|
|---|---|---|
| Page(s) | 409 - 414 | |
| DOI | https://doi.org/10.1051/metal:2003199 | |
| Published online | 04 June 2003 | |
Optimization of casting stoppers
The development of a new type of stopper rod, Argorod, makes it possible to improve the steel quality during continuous casting. The main results that have been obtained concern the tightness of the joint : the new Argorod system, of second generation, has a better tightness, the assembling operation is simplified and more reliable; the optimization of the system for argon introduction: sized tube, more accurate adjustment of the couple argon flow rate / back pressure ; the accurate control of steel throughput: choice of the nozzle shape factor “material strength / stopper rod weight”: weight saving for the same or for a higher transverse strength.
© La Revue de Métallurgie, 2003
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