STEEL CONSTRUCTION 15 duced as described. The impurities are oxidized by an excess ofoxygen in the furnace gases over that necessary to burn the gas.This action is so slow, however, that the 3 to 4 per cent of carbonin tlie pig iron takes a long time for combustion. The operation … Fig. 8. A Bessemer BlowFrom Stoughtons Metallurgy of Iron & SteelCourtesy, McGraw-Hill Pub. Co. is therefore hastened in two ways: (a) iron ore is added to thebath, and (b) the carbon is diluted by adding varying amountsof cold steel scrap. The steel scrap is added to the furnace 10 STKKL…
Building, Iron and steel · Steel, Structural · Theses
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