. Canadian foundryman (1918). viouswork performed on the brass and alsoupon the degree of softness anneal brass or copper to a dead softcondition a uniform heat of from 1,200to 1,250 degrees Fahr. will usually befound to be sufficient. The same appliesto the heat treatment of brass as to thatfor steel, namely, that good temperaturecontrol cannot be effected without the useof accurate pyrometers. The annealing furnaces in use at theplant of the Dominion Copper ProductsCo. are of the underfired type, using oilas a fuel. The material to be annealed isloaded upon sheet iron pans, drawn
. Canadian foundryman (1918). viouswork performed on the brass and alsoupon the degree of softness anneal brass or copper to a dead softcondition a uniform heat of from 1,200to 1,250 degrees Fahr. will usually befound to be sufficient. The same appliesto the heat treatment of brass as to thatfor steel, namely, that good temperaturecontrol cannot be effected without the useof accurate pyrometers. The annealing furnaces in use at theplant of the Dominion Copper ProductsCo. are of the underfired type, using oilas a fuel. The material to be annealed isloaded upon sheet iron pans, drawn intothe furnace by Ions: hooks, passesthrough the furnace and out at the oppo-site end where it is either sprinkled withwater or left to cool by standing in Examination of the Metals The foregoing resume of the everydaywork of the plant chemist and metallur-gist has dealt with his work mainly froma strictly chemical and metallurgicalstandpoint. Another branch of worKwhich comes within the field of the mci-. ANNEALING FURNACES IN PLANT OF DOMINION COPPER FROIUCTS CO. September, 1918. CANADIAN FOUNDRY MAN 211
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Keywords: ., bookcentury1900, bookdecade1910, booksubjec, booksubjectfoundries
