... temperature coefficient, Large dimensions or Small sizes. The newly developed L-T Sintered NdFeB Series has outstanding corrosion resistance and high working ... at) The highest working temperature can be 2300C (AH grade L-T Series).• Need to be protected against oxidation—by coating or ... , discs, rings, arc segments, etc.Grade Available:N35 to N53,N,M,H,SH,UH,EH, AH seriesSize: the largest can ...