Grade of Sintered Neodymium Magnet

The grodes of sintered Neodymium magnets are commonly defined via ltter N + number + letter.The letter N is the obbreviation and stand for the rare earthelement Neodymium.The number represents the(BH/mox of the mognet in CGS unt Mega-Gouss Oersted"(MOoGe) There are perhops one or two letterstoagged on the end determine the Hcj and maoxinmum operoting temperature of the sintered Neodymim magnets.M(middle) H (fhigh). H(high).SNH (lsuper high,UH (ultra high).EH (extreme high, and AH (abnomal high) groade should be greater thon 14,17,20,25,30,35kOe,respectively. Then their maximum operatingtemperature can reach 100,120,150,180,200, and 230 degrees Celsius separately.

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