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