Have a look at the impressions of the Cast Expo in St. Louis Missouri! The metal casting industry in the U.S. is on an upward rise and evidence of this excitement was displayed at the the Cast Expo 2013. The exceptionally organized event was hosted by the AFS and held at the America's Center in St. Louis, Missouri from April 6th – 9th. A recorded 7,192 metal casters attended the show, according to the AFS,…