September 14, 1864 the first steel commercially produced under the process invented by Henry Bessemer and William Kelly was forged at the Kelly Pneumatic Process Company in Wyandotte, Michigan. The Bessemer process revolutionized steel manufacture by decreasing its cost, and greatly increasing the scale and speed, while also decreasing the labor requirements. Prior to this, steel was far too expensive to make bridges or the framework for buildings, and wrought iron had been used during the Industrial Revolution. After its introduction, steel and wrought iron became similarly priced, and most manufacturers turned to steel. The last steel produced by this method was in 1968, when its use was superseded by the superior Linz-Donawitz process. https://youtube/watch?v=9l7JqonyoKA
Posted on: Sun, 14 Sep 2014 13:01:16 +0000
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