The high strength, ferritic heat resistant steel having improved resistance to {TAIL ~ intermetallic compound precipitation} induced {HEAD ~ embrittlement} 1, characterized by further comprising, by mass: 
The high strength , ferritic heat resistant steel having improved resistance to { TAIL ~ intermetallic compound precipitation } induced { HEAD ~ embrittlement } 1 , characterized by further comprising , by mass :
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH