The American Iron and Steel Institute (AISI) reported on Jan. 23 that for the month of November 2012, U.S. steel mills shipped 7,397,149 net tons, a 0.5 percent decrease from the 7,430,267 net tons shipped in the previous month, October 2012, and a 0.2 percent decrease from the 7,409,450 net tons shipped in November 2011. […] January 23, 2013