Inland Steel Company in Chicago. Steel production. Chemical composition of pig iron is analyzed by quality control. Raw materials added to open hearth furnace. Animated diagram shows the working in open hearth furnace. Light scrap, limestone and heavy scrap are added in open hearth furnace. Men work in plant. Sample taken. Carbon level tested. Analysis done in quality control center. Additional lime stone and alloys are added.
Inland Steel Company in Chicago. Steel production in open hearth furnace. Faster methods of steel production. A basic oxygen furnace. Animated diagram shows the working in basic oxygen furnace. Oxygen is blown and temperature is raised. Steel scrap and molten pig iron is added. Steel worker in denim jacket. Furnace moved to upright position. Graphs show the analysis after testing. Small sample of steel is taken. Furnace is tilted and the steel pours out. Diagram shows electric furnace. Highly refined steel is produced in it using electricity. Molten steel is poured in a mold inside and gases are evacuated.
Inland Steel Company in Chicago. Steel production. A man takes sample. The steel cools and solidifies and molds are removed. In an oven steel is re-heated to be rolled into slabs. Steel slabs. Operation controlled by a man. The slab is reduced in thickness. Animated diagram shows the cooling and solidification of molten steel. Slabs are reheated at hot strip mill. The operation is computer controlled. Finishing is done in cold rolling mill. A huge oven is lowered down. Desired finish to the steel is given. Zinc coating done to make it corrosion resistant. Galvanized steel produced.
Inland Steel Company in Chicago. Steel production. Several mill steel products are rolled to square cross section called as blooms. Structural shapes given to steel. A wide variety of cross section in steel. Useful forms, shapes and sizes of steel are formed. Research work being done for better steel production. Different equipment and controls used in laboratory setting with scientists and technicians at work using chemical beakers, test tubes, microscopes and other technical lab equipment.
Headquarters of the United States Department of Defense at the Pentagon in Virginia, United States. Aerial view of cars parked out side the Pentagon. A road in the foreground. The Pentagon building and the surrounding area. The Potomac River and the Washington Monument in Washington DC, in the background.
Headquarters of the United States Department of Defense at the Pentagon in Arlington, Virginia, United States, across the Potomac River from Washington DC. An aerial view of the Pentagon. The Pentagon building and the surrounding area. The Potomac River in the foreground.
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