Casting steel strip

Details Casting steel strip Casting steel strip

1999-05-17

2000-05-09

Lin, Kuang Y.

Metal founding

Process

Shaping liquid metal against a forming surface

164472, 164479, B22D 1106

Patent

active

060590149

ABSTRACT:
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.

REFERENCES:
patent: 5520243 (1996-05-01), Freeman et al.
patent: 5720336 (1998-02-01), Strezov

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