Tech 20. History of Steel and its development process

The steel industry has grown from ancient times, when a few men may have operated, periodically, a small furnace producing 10 kilograms, to the modern integrated iron- and steelworks, with annual steel production of about 1 million tons. The largest commercial steelmaking enterprise, Nippon Steel in Japan, was responsible for producing 26 million tons in 1987, and 11 other companies generally distributed throughout the world each had outputs of more than 10 million tons. Excluding the Eastern-bloc countries, for which employment data are not available, some 1.7 million people were employed in 1987 in producing 430 million tons of steel. That is equivalent to about 250 tons of steel per person employed per year—a remarkably efficient use of human endeavour.

Article by: Jack Nutting
Source: britannica.com
Created by: Ton Samith

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