Research alloys on Goodale, they'll sell it to you at scrap prices and can rough cut it to size. They're only open week days and you may get some mud on your boots but you'll save a serious chunk of change.
http://maps.google.com/maps?oe=utf-8&rls=org.mozilla:en-US:official&client=firefox-a&um=1&ie=UTF-8&q=research+alloys&fb=1&gl=us&hq=research+alloys&hnear=Columbus,+OH&cid=0,0,11166507450804407957&ei=t-UITZS0GZTRngetjZ1P&sa=X&oi=local_result&ct=image&resnum=4&ved=0CDAQnwIwAw