B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
B22D 27/18 (2006.01) B22D 11/01 (2006.01) B22D 11/06 (2006.01) B22D 11/07 (2006.01)
Patent
CA 2202240
Method of casting steel strip in which molten steel solidifies as a shell on a chilled casting surface (100). The casting surface (100) has a texture (101) formed by a regular pattern of surface projections (103) and depressions (102) and the steel chemistry is selected to generate in the casting pool deoxidation products which form on the casting surface (100) a layer of less than 5 microns thickness a major proportion of which is liquid during cooling of the steel to below its liquidus temperature in the formation of said solidified shell. The substantially liquid layer suppresses the formation of surface defects in the solidifying metal surface due to early deposition of solid oxides on the casting surface.
Bhp Steel (jla) Pty. Ltd.
Castrip Llc
Ishikawajima-Harima Heavy Industries Company Limited
Oyen Wiggs Green & Mutala Llp
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