By Grade
NEODYMIUM IRON BORON MAGNETS – Magnet Grade
Magnet Grade – Known as third generation of Rare Earth magnets, Neodymium Iron Boron (NdFeB) magnets are the most powerful and advanced commercialized permanent magnet today. Since they are made from Neodymium, one of the most plentiful rare earth elements, and inexpensive iron, NdFeB magnets offer the best value in cost and performance.
Sintered NdFeB Magnets By Grade
NdFeB magnets are available in both sintered and bonded forms. Sintered NdFeB offers the highest magnetic properties (28 MGOe to 50 MGOe) while Bonded NdFeB offers lower energy properties. Although bonded magnets do not possess magnetic properties as advanced as those of sintered magnets, they can be made in shapes and sizes that are difficult to achieve with sintering.
A variety of coatings can be applied to the magnets’ surface to overcome the principle drawback of neodymium-based magnets, their tendency to corrode easily.
Neodymium Magnet Grade: N27-N52, 30M-50M, 30H-48H, 30SH-45SH, 28UH-40UH, 28EH-38EH, 28AH~35AH;
Sintered NdFeB Magnets By Grade
Typical Magnetic Properties / Magnet Grade
Grade | Max. Energy Product | Remanence | Coercive Force | Rev. Temp. Coeff. | Curie Temp. | Max. Working Temp. | ||||||
(BH)max | Br | Hc | Hci | Bd | Hd | Tc | Tw | |||||
MGOe | kJ/m3 | kG | mT | kOe | kA/m | kOe | kA/m | %/°C | %/°C | °C | °C | |
N27 | 25-29 | 199-231 | 10.50 | 1050 | >10.0 | >796 | >12.0 | >955 | -0.12 | -0.60 | 310 | 80 |
N30 | 28-31 | 223-247 | 11.00 | 1100 | >10.2 | >812 | >12.0 | >955 | -0.12 | -0.60 | 310 | 80 |
N33 | 31-33 | 247-263 | 11.50 | 1150 | >10.5 | >836 | >12.0 | >955 | -0.12 | -0.60 | 310 | 80 |
N35 | 33-36 | 263-287 | 12.00 | 1200 | >10.9 | >868 | >12.0 | >955 | -0.12 | -0.60 | 310 | 80 |
N38 | 36-39 | 287-310 | 12.40 | 1240 | >11.3 | >899 | >12.0 | >955 | -0.12 | -0.60 | 310 | 80 |
N40 | 38-41 | 302-326 | 12.70 | 1270 | >11.4 | >907 | >12.0 | >955 | -0.12 | -0.60 | 310 | 80 |
N42 | 40-43 | 318-342 | 13.00 | 1300 | >11.5 | >915 | >12.0 | >955 | -0.12 | -0.60 | 310 | 80 |
N45 | 43-46 | 342-366 | 13.50 | 1350 | >11.6 | >923 | >12.0 | >955 | -0.12 | -0.60 | 310 | 80 |
N48 | 46-49 | 366-390 | 14.00 | 1400 | >11.6 | >923 | >12.0 | >955 | -0.12 | -0.60 | 310 | 80 |
N50 | 48-51 | 382-406 | 14.30 | 1430 | >10.3 | >820 | >12.0 | >955 | -0.12 | -0.60 | 310 | 80 |
N52 | 50-53 | 398-422 | 14.50 | 1450 | >10.3 | >820 | >11.0 | >877 | -0.12 | -0.60 | 310 | 80 |
N30M | 28-31 | 223-247 | 11.00 | 1100 | >10.2 | >812 | >14.0 | >1114 | -0.12 | -0.59 | 320 | 100 |
N33M | 31-33 | 247-263 | 11.50 | 1150 | >10.5 | >836 | >14.0 | >1114 | -0.12 | -0.59 | 320 | 100 |
N35M | 33-36 | 263-287 | 12.00 | 1200 | >10.9 | >868 | >14.0 | >1114 | -0.12 | -0.59 | 320 | 100 |
N38M | 36-39 | 287-310 | 12.40 | 1240 | >11.4 | >907 | >14.0 | >1114 | -0.12 | -0.59 | 320 | 100 |
N40M | 38-41 | 302-326 | 12.70 | 1270 | >11.6 | >923 | >14.0 | >1114 | -0.12 | -0.59 | 320 | 100 |
N42M | 40-43 | 318-342 | 13.00 | 1300 | >12.0 | >955 | >14.0 | >1114 | -0.12 | -0.59 | 320 | 100 |
N45M | 43-46 | 342-366 | 13.50 | 1350 | >12.5 | >995 | >14.0 | >1114 | -0.12 | -0.59 | 320 | 100 |
N48M | 46-49 | 366-390 | 14.00 | 1400 | >12.9 | >1027 | >14.0 | >1114 | -0.12 | -0.59 | 320 | 100 |
N50M | 48-51 | 382-406 | 14.30 | 1430 | >13.1 | >1043 | >14.0 | >1114 | -0.11 | -0.58 | 320-350 | 100 |
N30H | 28-31 | 223-247 | 11.00 | 1100 | >10.2 | >812 | >17.0 | >1353 | -0.11 | -0.58 | 320-350 | 120 |
N33H | 31-34 | 247-271 | 11.50 | 1150 | >10.5 | >836 | >17.0 | >1353 | -0.11 | -0.58 | 320-350 | 120 |
N35H | 33-36 | 263-287 | 12.00 | 1200 | >10.9 | >868 | >17.0 | >1353 | -0.11 | -0.58 | 320-350 | 120 |
N38H | 36-39 | 287-310 | 12.40 | 1240 | >11.4 | >907 | >17.0 | >1353 | -0.11 | -0.58 | 320-350 | 120 |
N40H | 38-41 | 302-326 | 12.70 | 1270 | >11.6 | >923 | >17.0 | >1353 | -0.11 | -0.58 | 320-350 | 120 |
N42H | 40-43 | 318-342 | 13.00 | 1300 | >12.0 | >955 | >17.0 | >1353 | -0.11 | -0.58 | 320-350 | 120 |
N45H | 43-46 | 342-366 | 13.50 | 1350 | >12.5 | >999 | >17.0 | >1353 | -0.11 | -0.58 | 320-350 | 120 |
N48H | 46-49 | 366-390 | 14.00 | 1400 | >12.9 | >1027 | >17.0 | >1353 | -0.11 | -0.55 | 340-360 | 120 |
N30SH | 28-31 | 223-247 | 11.00 | 1100 | >10.2 | >812 | >20.0 | >1592 | -0.11 | -0.55 | 340-360 | 150 |
N33SH | 31-34 | 247-271 | 11.50 | 1150 | >10.6 | >844 | >20.0 | >1592 | -0.11 | -0.55 | 340-360 | 150 |
N35SH | 33-36 | 263-287 | 12.00 | 1200 | >11.0 | >876 | >20.0 | >1592 | -0.11 | -0.55 | 340-360 | 150 |
N38SH | 36-39 | 287-310 | 12.40 | 1240 | >11.4 | >907 | >20.0 | >1592 | -0.11 | -0.55 | 340-360 | 150 |
N40SH | 38-41 | 302-326 | 12.70 | 1270 | >11.8 | >939 | >20.0 | >1592 | -0.11 | -0.55 | 340-360 | 150 |
N42SH | 40-43 | 318-342 | 13.00 | 1300 | >12.4 | >987 | >20.0 | >1592 | -0.11 | -0.55 | 340-360 | 150 |
N45SH | 43-46 | 342-366 | 13.50 | 1350 | >12.6 | >1003 | >20.0 | >1592 | -0.11 | -0.51 | 350-380 | 150 |
N28UH | 26-29 | 207-231 | 10.60 | 1060 | >9.6 | >764 | >25.0 | >1990 | -0.11 | -0.51 | 350-380 | 180 |
N30UH | 28-31 | 223-247 | 11.00 | 1100 | >10.2 | >812 | >25.0 | >1990 | -0.11 | -0.51 | 350-380 | 180 |
N33UH | 31-34 | 247-271 | 11.50 | 1150 | >10.8 | >860 | >25.0 | >1990 | -0.11 | -0.51 | 350-380 | 180 |
N35UH | 33-36 | 263-287 | 12.00 | 1200 | >11.3 | >899 | >25.0 | >1990 | -0.11 | -0.51 | 350-380 | 180 |
N38UH | 36-39 | 287-310 | 12.40 | 1240 | >11.5 | >915 | >25.0 | >1990 | -0.11 | -0.51 | 350-380 | 180 |
N40UH | 38-41 | 302-326 | 12.70 | 1270 | >11.8 | >939 | >25.0 | >1990 | -0.11 | -0.51 | 350-380 | 180 |
N28EH | 26-29 | 207-231 | 10.70 | 1070 | >9.8 | >780 | >30.0 | >2388 | -0.11 | -0.51 | 350-380 | 200 |
N30EH | 28-31 | 223-247 | 11.10 | 1110 | >10.2 | >812 | >30.0 | >2388 | -0.11 | -0.51 | 350-380 | 200 |
N33EH | 31-34 | 227-271 | 11.50 | 1150 | >10.8 | >860 | >30.0 | >2388 | -0.11 | -0.51 | 350-380 | 200 |
N35EH | 33-36 | 263-287 | 12.00 | 1200 | >11.1 | >884 | >30.0 | >2388 | -0.11 | -0.51 | 350-380 | 200 |
N38EH | 36-39 | 287-310 | 12.40 | 1240 | >11.5 | >915 | >30.0 | >2388 | -0.11 | -0.51 | 350-380 | 200 |
N28AH | 26-29 | 207-231 | 10.70 | 1070 | >9.8 | >780 | >35.0 | >2786 | -0.11 | -0.51 | 350-380 | 220 |
N30AH | 28-31 | 223-247 | 11.10 | 1110 | >10.2 | >812 | >35.0 | >2786 | -0.11 | -0.51 | 350-380 | 220 |
N33AH | 31-34 | 227-271 | 11.50 | 1150 | >10.8 | >860 | >35.0 | >2786 | -0.11 | -0.51 | 350-380 | 220 |
N35AH | 33-36 | 263-287 | 12.00 | 1200 | >11.1 | >884 | >35.0 | >2786 | -0.11 | -0.51 | 350-380 | 220 |
100 x 50 x 40mm Block Strongest NdFeB Magnet N42 Ni
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100 x 30 x 10mm Strongest Neodymium Block Magnet N52 Ni
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100 x 10 x 3mm Bulk Super Strong Strip Block Magnet N40 Ni
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88 x 24 x 10mm Block Neodymium Strongest Magnet N42 Ni
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70 x 70 x 30mm Amazing Huge Block Magnet N42 Ni
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60 x 30 x 15mm Block Super Strong Permanent Magnet N40 Ni
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60 x 40 x 5mm Super Strong Motor Magnet N45 Ni
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60 x 20 x 10mm Super Strong Motor NdFeB Magnet N50 Ni
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60 x 20 x 5mm Big Strong Magnet NdFeB N50M Ni
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60 x 10 x 9mm Big Block NdFeB N52 Magnet Zn
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60 x 10 x 4mm Big Bar Magnet NdFeB N40 Ni
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52 x 52 x 26mm Big Neo Magnet Block N42 Ni
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50 x 50 x 5mm Big Block Bulk Magnet N42 Ni
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50 x 5 x 3mm NdFeB Powerful Bar Magnets N38 Ni
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50 x 10 x 5mm NdFeB Bar Magnet N40 Ni
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50 x 30 x 10mm Permanent Rectangular Magnet N40 Ni
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50 x 30 x 5mm Permanent Block Magnet N42 Ni
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50 x 20 x 10mm Big Neodymium Magnet Block N45 Ni
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50 x 15 x 10mm Big Block Magnet Neodymium N45M Ni
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50 x 25 x 10mm Amazing Super Magnet Block N40 Ni
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50 x 15 x 15mm Amazing Permanent Magnet Block N48 Ni
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50 x 12 x 3mm Sintered Neodymium Block Magnet N35 Ni
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50 x 10 x 3mm Sintered Neodymium Rectangular Magnets N48 Ni
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46 x 30 x 10mm NdFeB Super Strong Magnet N40 Ni
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45 x 45 x 6mm NdFeB Super Strong Magnetic Square N40 Ni
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42 x 14.4 x 5.7mm NdFeB Plate Magnet N48 Ni
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40 x 40 x 20mm Wind Turbine NdFeB Magnet Block N48M Ni
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40 x 40 x 10mm Square NdFeB Amazing Magnet N40 Ni
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