B - Operations – Transporting – 22 – C
Patent
B - Operations, Transporting
22
C
22/106, 6/45
B22C 3/00 (2006.01) B21H 1/08 (2006.01) B28B 11/04 (2006.01)
Patent
CA 1073606
ABSTRACT OF THE DISCLOSURE A method of producing castings in a graphite mold having casting surfaces defining a mold cavity, comprising the steps of: coating the casting surfaces of the graphite mold with a slurry of water and fused silica, the fused silica having an average particle size in the range of 5 to 30 microns, while holding the mold at a temperature in the range of about 177°C to 232°C, and then filling the mold cavity with molten steel.
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