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Show 50 uses. Both also consumed in varying Because limestone and dolomite ducti on, are are widely dis tr-ibuted , amounts in deposits adequate supply an is of usually open-hearth steel pro- satisfactory quality a available at a reason- able cost. ( I Fluxing agents Geneva and Ironton proximately for the Geneva Steel mined at are Keigley, just 27 rail miles south of the Geneva tion has several strata of limestone with s i Ii ca and lime. to obtain is higher has a a The stone is fairly uniform stone. open hearth us e. from the 600,000 Keigley amounts of forma- magnesia, furnaces, while the dolomite satisfactory for both blast furnace and net tons of limestone and dolomite in 1951. rate of 38¢ are per net ton, approximated $228, 000. 00. were 64 for the fluxes figures existing freight would have varying The ap- The silica. content of the limestone and is Keigley Quarry No actual cost under the plant. Payson, 63 Approximately shipped outside of from several faces and blended than that used in Eastern blast lower silica content, »>: quarried furnaces at Company's (See available. However, the cost of shipment Table 5) Ferroalloys there has been In recent years, iron alloys in steel manufacture. have sumed in small amounts, 63Mathesius, 64Su1li van, OPe OPe c it, cit. These come , p. an use of various alloying materials, to be 9. increasing an important raw while con- material |
