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Improvement of size availability in medium-diameterseamless steel pipe mill

Published online by Cambridge University Press:  10 January 2007

K. Fujisawa ,
S. Nanbu ,
K. Ito ,
R. Miyake  and
A. Yorifuji
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Abstract

New manufacturing technologies have been introduced by JFE SteelChita Works to increase the availability of seamless pipes with loweras well as higher thicknesses. For rolling the thinner seamless pipes,new plug lubricants and cermet coatings have been developed andthe roll gap control technology has been implemented. For rolling thethicker seamless pipes, a new plug has been designed that allows anew pass schedule through all mills. The quality assurance systemhas been improved with lower frequency ultrasonic waves.

Type
Research Article
Information
Metallurgical Research & Technology , Volume 103 , Issue 12: AciérieCoulée continueLaminage , December 2006 , pp. 552 - 557
Copyright
© La Revue de Métallurgie, 2006

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