The material that took us out of the stone age — literally. From a materials perspective, THE quality that metals bring to the table is ductility (look it up).
Metalinfo.com: You get what you ask for.
Introduction to Metals: Explain That Stuff brings you this concise overview of this particular stuff.
Practical Guide for Metallurgists: Brought to you by Timken Steel (originally Timken Roller Bearings, and one of the founding members of the US auto industry), this is a 152-page book containing more information than you will ever understand (unless you’re a metallurgist).