Word: ingot
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Dates: during 1940-1949
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...steel needed in shipbuilding. A 10,000-ton vessel actually weighs about 4,000 tons—the 10,000-ton figure is its carrying capacity. The 8,000,000 tons of merchant shipping the U.S. hopes to build this year will take up less than 3,500,000 tons of ingot capacity...
...Ingot production of 85,000,000 tons this year will mean only 60,000,000 tons of finished steel. WPB launched a drive last week to narrow the gap by requiring, for example, closer figuring on how big a forging is needed to mill out a desired product...
...Because local steel ingot capacity is insufficient, Youngstown Sheet & Tube is offering to dismantle its Brier Hill (Ohio) plate mill, ship its equipment to any interested bidder. Reported bidders: American Rolling Mill, perhaps for its new Texas operations; Henry J. Kaiser, for his new California plant...
...contributes to one of the most ingenious practices in modern arsenals-the centrifugal casting of gun barrels. Steel is induction-melted, then poured into a horizontally rotating mold which continues to spin until the casting hardens. Thus formed is a hollow, easy-to-bore barrel instead of the solid ingot from which cannon were formerly forged and drilled. Slag (formed by the oxidation of the molten metal) is forced to the inner surface of the casting, where it can easily be tooled away...
...only must further expansion stretch back to the mine (requiring new mining and carrying equipment) but it must also soon include new rolling mills and other post-ingot equipment (requiring, among other things, thousands of motors). Experts believe that existing processing capacity can take care of perhaps 2,000,000 tons more of ingots-i.e., it probably could not even handle all the new ingot capacity now under...