{TAIL ~ An article} 6 wherein {HEAD ~ the iron composition} comprises greater than about 2.5 wt % aluminum 
{ TAIL ~ An article } 6 wherein { HEAD ~ the iron composition } comprises greater than about 2.5 wt % aluminum
TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH