The present invention relates to {HEAD ~ cast iron} with improved ductility and {TAIL ~ high temperature properties} 
with
The present invention relates to { HEAD ~ cast iron } with improved ductility and { TAIL ~ high temperature properties }
OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL