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Sintered NdFeB Magnets

Sintered NdFeB 2.jpg

Sintered NdFeB magnets are the highest-performance permanent magnets currently available for commercial applications. Their exceptional energy density and magnetic stability make them a key material for next-generation technologies, including electric mobility and advanced automation. For high-precision industries, a clear understanding of the capabilities and limitations of sintered NdFeB magnets is essential for effective product development and long-term supply chain planning.

烧结钕铁硼磁性能表
Standard Specifications of Sintered NdFeB Magnet
Item类别Grade
性能		Remanence (Br)
剩磁		Coercive Force (Hcb)
磁感应强度矫
顽力		Intrinsic Coercive Force (Hcj)
内禀矫顽力		Max Energy Product (BH)max
最大磁能积		Working Temp (℃)
工作温度
kGsTkOekA/mkOekA/mMGOekJ/m3
MaxMinMaxMinMaxMinMaxMin
NN5415.114.51.511.45≥10.5≥836≥11≥876≥55≥51≥438≥406≤80
N5214.814.21.481.42≥10.5≥836≥11≥876≥53≥49≥422≥390≤80
N5014.514.01.451.40≥11.0≥876≥12≥955≥51≥47≥406≥374≤80
N4814.313.71.431.37≥11.0≥876≥12≥955≥49≥45≥390≥358≤80
N4513.813.21.381.32≥11.0≥876≥12≥955≥46≥42≥366≥334≤80
N4213.512.91.351.29≥11.0≥876≥12≥955≥44≥40≥350≥318≤80
N4013.212.61.321.26≥11.0≥876≥12≥955≥42≥38≥334≥302≤80
N3813.012.21.301.22≥11.0≥876≥12≥955≥40≥36≥318≥287≤80
MN52M14.814.21.481.42≥13.3≥1059≥14≥1114≥53≥49≥422≥390≤100
N50M14.514.01.451.40≥13.1≥1043≥14≥1114≥51≥47≥406≥374≤100
N48M14.313.71.431.37≥12.8≥1019≥14≥1114≥49≥45≥390≥358≤100
N45M13.813.21.381.32≥12.4≥987≥14≥1114≥46≥42≥366≥334≤100
N42M13.512.91.351.29≥12.1≥963≥14≥1114≥44≥40≥350≥318≤100
N40M13.212.61.321.26≥11.8≥939≥14≥1114≥42≥38≥334≥302≤100
N38M13.012.21.301.22≥11.5≥915≥14≥1114≥40≥36≥318≥287≤100
HN50H14.514.01.451.40≥12.9≥1027≥16≥1274≥51≥47≥406≥374≤120
N48H14.313.71.431.37≥12.7≥1011≥17≥1353≥49≥45≥390≥358≤120
N46H14.013.41.401.34≥12.5≥995≥17≥1353≥47≥43≥374≥342≤120
N44H13.713.11.371.31≥12.3≥979≥17≥1353≥45≥41≥358≥326≤120
N42H13.512.91.351.29≥12.1≥963≥17≥1353≥44≥40≥350≥318≤120
N40H13.212.61.321.26≥11.8≥939≥17≥1353≥42≥38≥334≥302≤120
N38H13.012.21.301.22≥11.5≥915≥17≥1353≥40≥36≥318≥387≤120
N35H12.411.71.241.17≥11.0≥876≥17≥1353≥37≥33≥295≥263≤120
SHN48SH14.313.71.431.37≥12.7≥1011≥20≥1592≥49≥45≥390≥358≤150
N46SH14.013.41.401.34≥12.5≥995≥20≥1592≥47≥43≥374≥342≤150
N44SH13.713.11.371.31≥12.3≥979≥20≥1592≥45≥41≥358
≤150
N42SH13.512.91.351.29≥12.1≥963≥20≥1592≥44≥40≥350
≤150
N40SH13.212.61.321.26≥11.8≥939≥20≥1592≥42≥38≥334≥302≤150
N38SH12.912.21.291.22≥11.5≥915≥20≥1592≥40≥36≥318
≤150
N35SH12.411.71.241.17≥11.0≥876≥20≥1592≥37≥33≥295≥263≤150
N33SH12.111.41.211.14≥10.7≥852≥20≥1592≥35≥31≥279
≤150
UHN42UH13.512.91.351.29≥12.1≥963≥25≥1990≥44≥40≥350
≤180
N40UH13.212.61.321.26≥11.8≥939≥25≥1990≥42≥38≥334
≤180
N38UH12.912.21.291.22≥11.5≥915≥25≥1990≥40≥36≥318
≤180
N35UH12.411.71.241.17≥11.0≥876≥25≥1990≥37≥33≥295≥263≤180
N33UH12.111.41.211.14≥10.7≥852≥25≥1990≥35≥31≥279≥247≤180
N30UH11.610.81.161.08≥10.2≥812≥25≥1990≥32≥28≥255≥223≤180
EHN40EH13.212.61.321.26≥11.8≥939≥30≥2388≥42≥38≥334≥302≤200
N38EH12.912.21.291.22≥11.5≥915≥30≥2388≥40≥36≥318≥287≤200
N35EH12.411.71.241.17≥11.0≥876≥30≥2388≥37≥33≥295≥263≤200
N33EH12.111.41.211.14≥10.7≥851≥30≥2388≥35≥31≥279≥247≤200
N30EH11.510.81.151.08≥10.2≥812≥30≥2388≥32≥28≥255≥223≤200
AHN35AH12.411.71.241.17≥11.0≥876≥35≥2786≥37≥33≥295≥263≤230
N33AH12.111.41.211.14≥10.7≥852≥35≥2786≥35≥31≥279≥247≤230
N30AH11.510.81.151.08≥10.2≥812≥35≥2786≥32≥28≥255≥223≤230
N28AH11.210.41.121.04≥9.7≥772≥35≥2786≥30≥26≥239≥207≤230

*All technical data provided above are for reference only and shall be confirmed according to approved samples and final agreement.

烧结钕铁硼物理特性
Physical Propertiesof Sintered NdFeB Magnet
Item
项目		Parameters
参数		Reference Value
参考值
Auxiliary Magnetic Properties
辅助磁性能		剩磁温度系数
(α(Br))/(％/K)Temp.Coeff.of Br		-0.08～-0.12
内禀矫顽力温度系数
(α(Hcj)/％/K)Temp.Coeff.of Hcj		-0.42～-0.70
居里温度
(Tc)/℃ Curie Temperature		310～380
回复磁导率
(μrec) Recoil Permeability		1.05
Mechanical and physical properties
机械物理特性		密度/(g/cm3) Density7.50～7.70
维式硬度(Hv) Vickers Hardness650
电阻率/(μΩ•m) Electrical Resistivity1.4
抗压强度/Mpa Compressive Strength1050
抗拉强度/Mpa Tensile Strength80
抗弯强度/Mpa Bending Strength290
热传导率/(W/(m•K)) Thermal Conductivity6～8
杨氏模量/Gpa Young′s Modulus160
“热膨胀系数（垂直于取向方向）/(10-6/K) Coefficient
of Thermal Expansion(C⊥)”		-1.5
“热膨胀系数（平行于取向方向）/(10-6/K) Coefficient
of Thermal Expansion(C⊥)”		6.5

*All technical data provided above are for reference only and shall be confirmed according to approved samples and final agreement.

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