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Prevention of slab surface transverse cracking at Kashima n° 2caster with Surface Structure Control (SSC) cooling

Published online by Cambridge University Press:  27 April 2006

N. Baba ,
K. Ohta ,
Y. Ito  and
T. Kato
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Abstract

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.

Type
Research Article
Information
Metallurgical Research & Technology , Volume 103 , Issue 4: Haut-fourneauFour électriqueCoulée continueUltra steelsBâtiment , April 2006 , pp. 174 - 179
Copyright
© La Revue de Métallurgie, 2006

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