{HEAD ~ A permanent magnet alloy} 4, wherein C is 0.05 to 0.16%, S is 0.3 to 1.0% and {TAIL ~ Nb} is 1.4 to 1.6% 
wherein
{ HEAD ~ A permanent magnet alloy } 4 , wherein C is 0.05 to 0.16 % , S is 0.3 to 1.0 % and { TAIL ~ Nb } is 1.4 to 1.6 %
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH