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 |
12 x 4 x 6mm Neodymium Ring Radial Magnet N50 Ni
12 x 4 x 6mm Neodymium Ring Radial Magnet N50 Ni, Standard Loundspeaker Magnetic Rings, Rare Earth Super Strong Sintered NdFeB Ring Magnet for Speaker Motor Sensor Rotor Craft Toy, Amazing Powerful Licensed Neodymium Permanent Magnets China Supplier Ø 12 x 4 x 6mm Neodymium Ring Radial Magnet N50 Ni Technical Specifications: Item: NRN50-12-4-6 Grade: […]
40 x 40 x 20mm Square Power NdFeB Magnet N40 Ni
40 x 40 x 20mm Square Power NdFeB Magnet N40 Ni, Rare Earth Super Strong Sintered NdFeB Amazing Rectangle Block Square Magnet for Motor Sensor Rotor Craft Toy, Ni-Cu-Ni Coating Licensed Neodymium Permanent Rectangular Magnets China Supplier 40 x 40 x 20mm Square Power NdFeB Magnet N40 Ni Technical Specifications: Item: NBN40-40-40-20 Grade: N40 Material: […]
50 x 15 x 6mm Block Amazing Neodymium Magnet N42 Ni
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100 x 50 x 10mm Huge NdFeB Magnet Rectangle N45 Ni
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100 x 100 x 10mm Square Rare Earth Power Magnet N52 Ni
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40 x 25 x 10mm Block Bulk NdFeB Magnet N35UH Ni
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50 x 50 x 20mm Big Neo Permanent Square Magnet N42 Ni
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50 x 20 x 5mm China Nd Magnet Block N45 Ni
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100 x 10 x 5mm Neodymium Long Bar Magnet N42 Ni
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90 x 90 x 30mm Neodymium Block Huge Magnet N45 Ni
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60 x 60 x 30mm Super Strong Powerful Permanent Magnet N40 Ni
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10 x 10 x 4mm Rare Earth Sintered NdFeB Square Magnet N45 Ni
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20 x 20 x 3mm Strong Square Motor Magnet N40H Ni
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15 x 15 x 3mm Buy NdFeB Magnet Square N45 Ni
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10 x 4 x 4mm Rectangle Super Strong Magnet N52 Ni
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28 x 12 x 4mm Powerful Block Magnet N45 Nickel
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5 x 5 x 3mm Strong Square Licensed Neo Magnet N45 Ni
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20 x 5 x 5mm Magnet Neodymium Block N48 Ni
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10 x 7 x 2 mm Extra Strong Magnet Block NdFeB N45 Ni
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30 x 30 x 15mm NdFeB Block Square Magnet N45 Ni
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40 x 15 x 5mm Amazing NdFeB Magnet Block N40 Ni
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14mm x 5mm Strong Disk Rare Earth Magnet N42 Nickel
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12mm x 10mm Strong Round Neo Magnet N45 Nickel
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12mm x 8mm Strong Round NdFeB Magnet N42 Nickel
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12mm x 5mm Strong NdFeB Disk Magnet N45 Nickel
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12mm x 2mm Super Strong Disc Magnet NdFeB N45 Nickel
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12mm x 1mm Strong Thin Disc NdFeB Magnet N45 Nickel
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10mm x 6mm Strong NdFeB Disc Magnet N42 Ni
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