United States USA Date:1943 Duration:2 min 57 sec Sound:NO SOUND
Manufacture of Steel at the time of war in United States.Overhead crane lifts steel ingot and places it into carrier that discharges it onto bed of blooming mill, where it is shuttled back and forth between different segments of water-cooled rollers until it is finally converted into a long steel bar. The steel bar is then rolled through a continuous bar mill, where it is reduced in thickness as it passes successive stations of the mill. At the end, the bar is cut into uniform lengths.
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