after which we recarhurize and castthe metal into ingots. The characteristics of the open-hearthprocess are: (a) long time occupied in purification; (b) largecharges treated in the furnace (modern practice is usually 30 to70 tons to a furnace); (c) at least part of the charge melted in… … Fig. 9. Section of Regenerative Open-Hearth Furnace From Stoughtons Metallurgy of Iron and SteelCourtesy, McGraw-Hill Pub. Co. add to the bath a sufficient amount of lime to form a very basicslag. This slag will dissolve all the phosphorus that is oxidized,which an acid slag will not do. We can…
Building, Iron and steel · Steel, Structural · Theses
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