Word: magnesium
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...tons now assured to them is 22,000,000 tons more than they ever produced in a year. In thinking about new post-war markets, they see nothing but new post-war competition: from aluminum, with post-war capacity five times prewar; from enormously increased magnesium capacity; from substitutes (like plastics), encouraged by wartime shortages to entrench themselves in steel's peacetime markets. Last week (see p. 50), U.S. Rubber began invading aluminum, whose laboratories are already busy planning a huge post-war steel invasion...
...long ago as last April, OPM had told radio manufacturers, with no trimmings, to count on little or no magnesium, aluminum, other scarce materials. Their own leaders said the same, warned them to "get out and dig" for defense business to survive (TIME, June 23). The radiomakers paid good heed. Already they are about 25% engaged in defense work (ammunition and machine-gun parts, wartime radio devices, including the "walky-talky," a two-way battery set for field...
Shortages. "The worst shortages already upon us are those in aluminum, magnesium, copper and nickel. There will be hardly enough aluminum to build the planes we know we'll need, let alone supply other military needs. . . . We have in this country only about a half-year's supply of rubber. . . . Wool and tin are also short. . . . The U.S. has little more than a thimbleful of high-grade chromite deposits from which to make ferrochrome, the master alloy in stainless and chrome steels. Supplies depend on the sea lanes and tons of chromite are already piling up in Rhodesia...
...holds even a drop of water. Therefore big mining companies (including Anaconda, Phelps Dodge, Cerro de Pasco) also have been seeking new industrial uses for silver as a hedge against possible repeal of the program. Some of their suggestions: substituting silver for copper in electrical contacts, using it with magnesium for lightweight alloys...
Last week U.S. power capacity totaled 42,222,166 kw., already over three times that of 1917. Output hit a new all-time high for the last week in June: 3,120,780,000 kwh, 17.3% over the same week in 1940. Future power needs for increased aluminum and magnesium production are estimated at 1,125,000 kw. But with defense production mounting on other fronts too, the power shortage is likely to get worse before it gets better...