I-beam - Wikipedia, the free encyclopedia I-beams (also known as H-beams, W-beams (for "wide flange"), rolled steel joist ... I-beams are commonly made of structural steel but may also be formed from ...
W Type I-beam search page   Steel Channels.   Steel Angles.   Aluminum I-Beams.   Aluminum Channels. Common Beams ... Steel Wide Flange I-Beams. Â. The I-Beams are identified by: ...
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HowStuffWorks "How Iron and Steel Work" The refining of iron ore is one of the most historically significant achievements of all time. Find out how iron gets turned into steel and what it's used for.