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Steel production through continuous casting is the thrust of this 1960s color film. Continuous casting replaced ingot casting, the traditional method of working with a single iron ore batch from start to finish before starting a new batch. Equipment used to sit idle while other equipment was in use. Continuous casting increases efficiency and decreases energy consumption. Today, more than 90 percent of total steel production in the world is continuously cast. In continuous casting, throughout the pouring stage, the mold is continuously water-cooled to solidify the hot metal coming directly in contact with it. The mold oscillates vertically (or in a near vertical curved path) to prevent the metal from sticking to the mold walls. A lubricant is also added to the metal in the mold to prevent sticking, as well as to trap any non-metallic slag particles – including oxide particles or scale that may still be present in the metal.
The film opens at a United States Steel (USS) plant in eastern Pennsylvania where two furnaces provide an endless stream of molten steel (mark 01:05). The narrator explains how steel is carefully monitored during the process as US Steel continues to fine-tune the process, and as the film continues, offers the viewer a detailed, step-by-step explanation of the steel-making process. Some of the steel is shown undergoing quality-control inspections (mark 04:55) and watch how billets (a length of metal that has a round or square cross-section) are further processed via profile rolling and drawing. Steel rods are shown emerging from a furnace at mark 08:00 and onto a conveyor belt where they are cooled, and we later watch steel coils being mechanically compressed and banded (mark 09:40) before being sent to various USS wire mills.
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This film is part of the Periscope Film LLC archive, one of the largest historic military, transportation, and aviation stock footage collections in the USA. Entirely film backed, this material is available for licensing in 24p HD, 2k and 4k. For more information visit http://www.PeriscopeFilm.com