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 |
5 x 5 x 1.2mm Small NdFeB Square Magnet N50 Nickel
5 x 5 x 1.2mm Small NdFeB Square Magnet N50 Nickel, Super Strong Rare Earth Licensed Sintered NdFeB Block Magnet for Toy and Craft, Nickel Coating Neodymium Rectangle Permanent Magnets China Supplier 5 x 5 x 1.2mm Small NdFeB Square Magnet N50 Nickel Technical Specifications: Item: NBN50-5-5-1.2 Grade: N50 Material: Neodymium (NdFeB) Plating: Nickel Shape: […]
5 x 5 x 1.2mm Small Square NdFeB Magnet N45 Gold
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5 x 4 x 1mm Strong Block Neo Magnet N50 Ni
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5 x 3 x 2mm Block Small Neodymium Magnet N52 Ni
5 x 3 x 2mm Block Small Neodymium Magnet N52 Ni, Super Strong Rare Earth Licensed Sintered NdFeB Block Magnet for Toy and Craft, Nickel Coated Neodymium Rectangle Permanent Magnets China Supplier 5 x 3 x 2mm Block Small Neodymium Magnet N52 Ni Technical Specifications: Item: NBN52-5-3-2 Grade: N52 Material: Neodymium (NdFeB) Plating: Nickel Shape: […]
70mm x 35mm NdFeB Larger Disc Magnet N45 Nickel
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60mm x 5mm Circular NdFeB Super Magnet N42 Ni
60mm x 5mm Circular NdFeB Super Magnet N42 Ni, Super Strong Rare Earth Sintered NdFeB Disk Round Magnet for Toy and Craft, 80 °C Nickel Coated Neodymium Disc Permanent Magnets China Supplier 60mm x 5mm Circular NdFeB Super Magnet N42 Ni Technical Specifications: Item: NDN42-6005 Grade: N42 Material: Neodymium (NdFeB) Plating: Nickel Shape: Disk, Round, Disc, […]
50mm x 5mm Disc Round Neo Permanent Magnet N45 Ni
50mm x 5mm Disc Round Neo Permanent Magnet N45 Ni, Super Strong Rare Earth Sintered NdFeB Disk Round Magnet for Toy and Craft, 80 °C Nickel Coated Neodymium Disc Permanent Magnets China Supplier 50mm x 5mm Disc Round Neo Permanent Magnet N45 Ni Technical Specifications: Item: NDN45-5005 Grade: N45 Material: Neodymium (NdFeB) Plating: Nickel Shape: Disk, […]
40mm x 4mm Super Strong Round Magnet NdFeB N45 Gold
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35mm x 10mm Rare Earth Disc Neodymium Magnet N48 Ni
35mm x 10mm Rare Earth Disc Neodymium Magnet N48 Ni, Super Strong Rare Earth Sintered NdFeB Disk Round Magnet for Toy and Craft, 80 °C Nickel Coated Neodymium Disc Permanent Magnets China Supplier 35mm x 10mm Rare Earth Disc Neodymium Magnet N48 Ni Technical Specifications: Item: NDN48-3510 Grade: N48 Material: Neodymium (NdFeB) Plating: Nickel Shape: Disk, […]
30mm x 7mm Neodymium Magnet Disc N42 Ni
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30mm x 10mm Neodymium Magnet Circular N42H Ni
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30mm x 3mm Craft Round NdFeB Magnets N48 Ni
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30mm x 2mm Sintered NdFeB Round Magnets N42 Ni
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28mm x 3.5mm Diskmagnet Sintered Neodymium N48 Ni
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25mm x 7mm Disk Neo Permanent Magnet N48 Ni
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25mm x 20mm Neo Circular Permanent Magnet N48 Ni
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25mm x 15mm Circular Disc Neodymium Magnet N50 Nickel
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25mm x 2mm Neodymium Circular Magnet N45 Nickel
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24mm x 5mm Neodymium Disc Magnet N42 Nickel
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22mm x 10mm Disc Nd Magnet N42 Nickel
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22mm x 5mm NdFeB Circular Magnet N45 Nickel
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22mm x 2mm N35 Craft NdFeB Magnet Nickel
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20 x 8mm Round Disk NIB Magnet N50 Ni
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20 x 3mm Disc Neodymium Iron Boron N52 Ni
20 x 3mm Disc Neodymium Iron Boron N52 Ni, Super Strong Rare Earth Sintered NdFeB Disk Round Magnet for Toy and Craft, Neodymium Iron Boron, Nickel Coated Neodymium Disc Permanent Magnets China Supplier 20 x 3mm Disc Neodymium Iron Boron N52 Ni Technical Specifications: Item: NDN52-2003 Grade: N52 Material: Neodymium (NdFeB) Plating: Nickel Shape: Disk, Round, […]