Iron is the base metal of steel. Depending on the temperature, it can take two crystalline forms (allotropic forms): body-centred cubic and face-centred cubic.
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Steel is iron mixed with carbon and sometimes other metals. It is harder and stronger than iron. Iron with more than 1.7% percent carbon by weight is named ...
Steel is a superhero appearing in comic books published by DC Comics. He is a genius engineer who built a mechanized suit of armor that mirrors Superman's ...
United States Steel Corporation, more commonly known as U.S. Steel, is an American integrated steel producer headquartered in Pittsburgh, Pennsylvania, ...