B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
22/167
B22D 11/12 (2006.01)
Patent
CA 1064674
ABSTRACT OF THE DISCLOSURE A group of at least two pairs of reduction rolls is arranged near the crater top of a cast strand such that the solidification of the molten steel in the cast strand is substantially completed in that group of reduc- tion rolls. The cast strand near the crater top is reduced by reduction rolls. The roll pitch of the reduction rolls is set to about 200 mm to 420 mm, and concurrently the draft per pair of the reduction rolls is set to about 0.1% to 2.0% to produce a cast strand with substantially no center segregations or inner cracks.
239911
Hanmyo Masayuki
Ishiguro Moriyuki
Komori Shigeki
Miyahara Shinobu
Sugawara Isao
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