To old steel hands used to the authoritative roar of a huge blast furnace, the new plant that began operating this week at Niagara Falls, Ont., neither looked nor sounded like an iron smeltery. The plant, owned by New York's Strategic Materials Corp., is the first commercial operation of a new smelting process that could open a new era for the steel industry. It could also lead to the quick building of a steel industry in underdeveloped countries. The smeltery is designed to take low-grade ores, contaminated ores, and ores so fine that they would choke a blast furnace, and...
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