B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
22/168
B22D 11/06 (2006.01) B22D 11/00 (2006.01) B22D 11/12 (2006.01)
Patent
CA 1279462
ABSTRACT A method of the continuous casting of molten metal by continuously withdrawing a strand is disclosed. The method is characterized in that the thickness of the strand is continuously reduced at a rate of 0.5 mm/min to less than 2.5 mm/min in the region between the point of time when the center of the strand has a temperature corresponding to a solid-phase ratio being within the range of 0.1 to 0.3 and the point of time when said temperature has dropped to a level corresponding to the solid-phase ratio at the limit of fluidization, while substantially no reduction in thickness is effected in the region between the point of time when the center of the strand has a temperature corresponding to the solid- phase ratio at the limit of fluidization and the point of time when said temperature has dropped to the solidus line.
515167
Hirai Masazumi
Mukai Tatsuo
Ogibayashi Shigeaki
Tezuka Makoto
Yamada Mamoru
Fetherstonhaugh & Co.
Nippon Steel Corporation
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