B - Operations – Transporting – 22 – D
Patent
B - Operations, Transporting
22
D
22/167
B22D 11/06 (2006.01) B22D 11/12 (2006.01)
Patent
CA 1148719
ABSTRACT OF THE DISCLOSURE In continuous casting of steel, molten steel in a tun- dish is adjusted to have super heat of 30-70°C before being in- troduced into a mould. The cast piece drawn out of the mould by means of rollers is rolled near the leading end of the crater at a reduced rate of 0.5-2.0 mm/m. This method has the advantage of decreasing the internal defects of the cast piece, such as center porosities, center pipes or center segregations.
321236
Ishiguro Moriyuki
Masui Akira
Tate Masahisa
Nippon Kokan Kabushiki Kaisha
Swabey Ogilvy Renault
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