C - Chemistry – Metallurgy – 21 – B
Patent
C - Chemistry, Metallurgy
21
B
257/26, 39/67
C21B 7/10 (2006.01) C22C 37/04 (2006.01) F27D 1/12 (2006.01) F27D 9/00 (2006.01)
Patent
CA 1077022
ABSTRACT OF THE DISCLOSURE A cooling element for a metallurgical or blast furnace having steel tubes integrally cast into a cast iron body to convey a cooling medi- um. The steel tubes are provided with an additional metallic layer which is composed of Ni, Co, Mn, Ag either individually or as a combination of one or more thereof and a metallic oxide layer composed of one or more metallic ox- ides provided on the metallic layer. The metallic oxide layer has a free oxide standard enthalpy of formation of less than -145kcal with normal pres- sure conditions and a temperature of 600°C.
301572
Buhler Hans-Eugen
Peters Karl H.
Robusch Gunter
Schafer Herbert
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