Giant U.S. Steel Corp. last week announced that it would soon perform a near-miracle: save critical tin supplies, make better and cheaper tinplate at the same time. The miracle-worker is a new process which plates by the electrolytic method instead of the old-fashioned dip method. To do the job, Big Steel is dishing out $15,500,000 of its own cash for new plants & equipment at Pittsburgh, Chicago and Birmingham. Besides this, the company is installing six new lines to treat black plate (i.e., thin steel plate) chemically. When lacquered by can-makers, chemically treated black plate makes a crackerjack substitute for...
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