| Issue |
Rev. Met. Paris
Volume 103, Number 4, April 2006
Haut-fourneauFour électrique Coulée continue Ultra steels Bâtiment |
|
|---|---|---|
| Page(s) | 174 - 179 | |
| DOI | https://doi.org/10.1051/metal:2006163 | |
| Published online | 27 April 2006 | |
Prevention of slab surface transverse cracking at Kashima n° 2 caster with Surface Structure Control (SSC) cooling
Transverse cracking may occur in high strength low alloy CC slabs. This phenomenon is associated to a hot ductility trough resulting from intergranular ferrite that forms at the beginning of the γ-α transformation. Sumitomo has developed a hot tensile machine and a unique slab surface microstructure control process to improve hot ductility. The process based on controlled accelerated secondary cooling has been successfully implemented on Kashima n°2 caster.
© La Revue de Métallurgie, 2006
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