Products Description

Dimension range of Sintered NdFeb Magnet
ShapeLength(OD)mmWidth(ID)mmThickness mm
Min.Max.Min.Max.Min.Max.
Block12501250/50
Ring and round1250///50
Anti-corrosion resistance of the coating of sintered NdFeb Magnet
CoatingZnNiNi-Cu-NiElectro-EpoxyPassivation
(Chromeplating,Tinplating) 
BlueColored ZincSingle LayerDouble Layers
Corrosion ResistanceGoodExcellentVery GoodExcellentExcellentVery GoodGood

STADNDARD CHARACTERISTICS FOR STRONG’S SINTERED NdFeB MAGNETS

Residual magnetism(Min.)Intrinsic coercive field(Min)Magnetic inductive coercivity (min)Max.Magnetic EnergyDensityCuri Temp.Max.Operaing Temp.Recoil permeabilityworking temperature
GradeBrHcjHcb(BH)maxρTcTwμrec
(L/D≥0.7)
UnitskGsTeslakOekA/mkOekA/mMGOekJ/m3g/cm3—-
N3010.8~11.31.08~1.13129551079628~31223~2477.45310801.05<80℃
N3311.3~11.71.13~1.171295510.583631~34247~2717.45310801.05<80℃
N3511.7~12.21.17~1.221295510.986733~36263~2877.45310801.05<80℃
N3812.2~12.51.22~1.251295511.389936~39287~3107.5320801.05<80℃
N4012.5~12.81.25~1.281295511.692338~41302~3267.5320801.05<80℃
N4212.8~13.21.28~1.321295511.692340~43318~3427.5320801.05<80℃
N4513.2~13.61.32~1.36129551187543~46342~3667.5320801.05<80℃
N4813.6~14.01.36~1.401295511.289146~49366~3907.5320801.05<80℃
N5014.0~14.31.40~1.431295510.583647~51374~4067.55320801.05<80℃
N5214.3~14.61.43~1.461295510.583651~53390~4227.55320801.05<80℃
N30M10.8~11.31.08~1.131411141079628~31223~2477.53201001.05<100℃
N33M11.3~11.71.13~1.1714111410.583631~34247~2717.53201001.05<100℃
N35M11.7~12.21.17~1.2214111410.986733~36263~2877.53201001.05<100℃
N38M12.2~12.51.22~1.2514111411.389936~39287~3107.53201001.05<100℃
N40M12.5~12.81.25~1.2814111411.692338~41302~3267.53201001.05<100℃
N42M12.8~13.21.28~1.321411141295540~43318~3427.53201001.05<100℃
N45M13.2~13.61.32~1.3614111412.599543~46342~3667.53201001.05<100℃
N48M13.6~14.01.36~1.4014111412.8101946~49358~3907.553201001.05<100℃
N50M14.0~14.31.40~1.4314111413103547~51374~4067.553201001.05<100℃
N52M14.3~14.61.43~1.4614111412.599551~53390~4227.553201001.05<100℃
N30H10.8~11.31.08~1.131713531079628~31223~2477.53201201.05≤120℃
N33H11.3~11.71.13~1.1717135310.583631~34247~2717.53201201.05≤120℃
N35H11.7~12.21.17~1.2217135310.986733~36263~2877.53201201.05≤120℃
N38H12.2~12.51.22~1.2517135311.389936~39287~3107.53201201.05≤120℃
N40H12.5~12.81.25~1.2817135311.692338~41302~3267.553201201.05≤120℃
N42H12.8~13.21.28~1.321713531295540~43318~3427.553201201.05≤120℃
N45H13.2~13.61.32~1.3617135312.297143~46342~3667.553201201.05≤120℃
N48H13.6~14.01.36~1.4017135312.9102746~49358~3907.63201201.05≤120℃
N50H14.0~14.31.40~1.4316127313103547~51374~4067.63201201.05≤120℃
N30SH10.8~11.31.08~1.1320159210.180428~31223~2477.53201501.05≤150℃
N33SH11.3~11.71.13~1.1720159210.684431~34247~2717.53201501.05≤150℃
N35SH11.7~12.21.17~1.222015921187533~36263~2877.553201501.05≤150℃
N38SH12.2~12.51.22~1.2520159211.490736~39287~3107.553201501.05≤150℃
N40SH12.5~12.81.25~1.2820159211.893938~41302~3267.553201501.05≤150℃
N42SH12.8~13.21.28~1.3220159212.297140~43318~3427.553201501.05≤150℃
N45SH13.2~13.61.32~1.3620159212.397943~46342~3667.63201501.05≤150℃
N48SH13.6~14.01.36~1.4019151212.599546~49366~3907.63201501.05≤150℃
N28UH10.4~10.81.04~1.082519899.676426~29207~2317.53201801.05≤180℃
N30UH10.8~11.31.08~1.1325198910.281228~31223~2477.53201801.05≤180℃
N33UH11.3~11.71.13~1.1725198910.785131~34247~2717.553201801.05≤180℃
N35UH11.7~12.21.17~1.2225198910.885933~36263~2877.553201801.05≤180℃
N38UH12.2~12.51.22~1.252519891187536~39287~3107.63201801.05≤180℃
N40UH12.5~12.81.25~1.2825198911.591538~41302~3267.63201801.05≤180℃
N42UH12.8~13.21.28~1.3225198912.297140~43310~3427.63201801.05≤180℃
N45UH13.2~13.61.32~1.3624190912.397943~46342~3667.63201801.05≤180℃
N28EH10.4~10.81.04~1.083023879.878026~29207~2317.63202001.05≤200℃
N30EH10.8~11.31.08~1.1330238710.281228~31223~2477.63202001.05≤200℃
N33EH11.3~11.71.13~1.1730238710.382031~34247~2717.63202001.05≤200℃
N35EH11.7~12.21.17~1.2230238710.583633~36263~2877.63202001.05≤200℃
N38EH12.2~12.51.22~1.2530238711.591536~39279~3107.63202001.05≤200℃
N28AH10.4~10.81.04~1.083427069.878026~29199~2317.63202401.05≤220℃
N30AH10.8~11.31.08~1.1334270610.281227~31215~2477.63202401.05≤220℃
N33AH11.3~11.71.13~1.1734270610.382031~34239~2717.63202401.05≤220℃
N35AH11.7~12.21.17~1.2234270610.583633~36255~2877.63202401.05≤220℃
Note:(1)the data in the table is tested data under 20℃;
(2)Max.operating temperature(Tw):at certain temperature,reserve temperature for 2h, the Magnetic flux loss of the D10*7↓ is ≤5%,so it is the max.operating temperature;
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