Neodymium Magnets
Neodymium Magnets, also named as NdFeB Magnets, Neo Magnets and rare earth magnets, which have been widely used in high performance stepper, DC, servo, and linear motors, actuators, loudspeakers, headphones, holding systems, relays, magnetic imaging for medical and geophysical applications, etc..
Neodymium Magnets, also named as NdFeB Magnets, Neo Magnets and rare earth magnets, which have been widely used in high performance stepper, DC, servo, and linear motors, actuators, loudspeakers, headphones, holding systems, relays, magnetic imaging for medical and geophysical applications, etc..
Neodymium Magnets Products
| Item | Shape | Grade | Size | Inquiry |
| Neodymium Disc Magnets | Disc | N35-N38AH | Tailor-Made | Inquiry |
| Neodymium Block Magnets | Block | N35-N38AH | Tailor-Made | Inquiry |
| Neodymium Ring Magnets | Ring | N35-N38AH | Tailor-Made | Inquiry |
| Neodymium Arc Magnets | Arc | N35-N38AH | Tailor-Made | Inquiry |
| Neodymium Cylinder Magnets | Cylinder | N35-N38AH | Tailor-Made | Inquiry |
| Neodymium Countersunk Magnets | Block, Disc, Ring | N35-N38AH | Tailor-Made | Inquiry |
| Neodymium Tiny Magnets | All types | N35-N38AH | Tailor-Made | Inquiry |
Neodymium Grades
| Grade | Materials | Composite | Residual Induction/BR |
Coercive Force/Hc (Oe) | Intrinsic Coercive Force/Hci (Koe) |
Max.Energy Product/Bhmax (MGOe) |
Maximum Operating | Curie Temp (°C/°F) |
| (Gauss) | Temp (°C/°F) | |||||||
| N35 | NdFeB | Nd2Fe14B | 11700 | 10900 | 12 | 35 | 80/176 | 310/590 |
| N38 | NdFeB | Nd2Fe14B | 12200 | 11300 | 12 | 38 | 80/176 | 310/590 |
| N40 | NdFeB | Nd2Fe14B | 12500 | 11400 | 12 | 40 | 80/176 | 310/590 |
| N42 | NdFeB | Nd2Fe14B | 12800 | 11500 | 12 | 42 | 80/176 | 310/590 |
| N45 | NdFeB | Nd2Fe14B | 13200 | 11600 | 12 | 45 | 80/176 | 310/590 |
| N48 | NdFeB | Nd2Fe14B | 13800 | 11600 | 12 | 48 | 80/176 | 310/590 |
| N50 | NdFeB | Nd2Fe14B | 14000 | 10000 | 11 | 50 | 60/140 | 310/590 |
| N52 | NdFeB | Nd2Fe14B | 14300 | 10000 | 11 | 52 | 60/140 | 310/590 |
| N33M | NdFeB | Nd2Fe14B | 11300 | 10500 | 14 | 33 | 100/212 | 340/644 |
| N35M | NdFeB | Nd2Fe14B | 11700 | 10900 | 14 | 35 | 100/212 | 340/644 |
| N38M | NdFeB | Nd2Fe14B | 12200 | 11300 | 14 | 38 | 100/212 | 340/644 |
| N40M | NdFeB | Nd2Fe14B | 12500 | 11600 | 14 | 40 | 100/212 | 340/644 |
| N42M | NdFeB | Nd2Fe14B | 12800 | 12000 | 14 | 42 | 100/212 | 340/644 |
| N45M | NdFeB | Nd2Fe14B | 13200 | 12500 | 14 | 45 | 100/212 | 340/644 |
| N48M | NdFeB | Nd2Fe14B | 13600 | 12900 | 14 | 48 | 100/212 | 340/644 |
| N50M | NdFeB | Nd2Fe14B | 14000 | 13000 | 14 | 50 | 100/212 | 340/644 |
| N35H | NdFeB | Nd2Fe14B | 11700 | 10900 | 17 | 35 | 120/248 | 340/644 |
| N38H | NdFeB | Nd2Fe14B | 12200 | 11300 | 17 | 38 | 120/248 | 340/644 |
| N40H | NdFeB | Nd2Fe14B | 12500 | 11600 | 17 | 40 | 120/248 | 340/644 |
| N42H | NdFeB | Nd2Fe14B | 12800 | 12000 | 17 | 42 | 120/248 | 340/644 |
| N45H | NdFeB | Nd2Fe14B | 13200 | 12100 | 17 | 45 | 120/248 | 340/644 |
| N48H | NdFeB | Nd2Fe14B | 13700 | 12500 | 17 | 48 | 120/248 | 340/644 |
| N35SH | NdFeB | Nd2Fe14B | 11700 | 11000 | 20 | 35 | 150/302 | 340/644 |
| N38SH | NdFeB | Nd2Fe14B | 12200 | 11400 | 20 | 38 | 150/302 | 340/644 |
| N40SH | NdFeB | Nd2Fe14B | 12500 | 11800 | 20 | 40 | 150/302 | 340/644 |
| N42SH | NdFeB | Nd2Fe14B | 12800 | 12400 | 20 | 42 | 150/302 | 340/644 |
| N45SH | NdFeB | Nd2Fe14B | 13200 | 12600 | 20 | 45 | 150/302 | 340/644 |
| N28UH | NdFeB | Nd2Fe14B | 10200 | 9600 | 25 | 28 | 180/356 | 350/662 |
| N30UH | NdFeB | Nd2Fe14B | 10800 | 10200 | 25 | 30 | 180/356 | 350/662 |
| N33UH | NdFeB | Nd2Fe14B | 11300 | 10700 | 25 | 33 | 180/356 | 350/662 |
| N35UH | NdFeB | Nd2Fe14B | 11800 | 10800 | 25 | 35 | 180/356 | 350/662 |
| N38UH | NdFeB | Nd2Fe14B | 12200 | 11000 | 25 | 38 | 180/356 | 350/662 |
| N40UH | NdFeB | Nd2Fe14B | 12500 | 11300 | 25 | 40 | 180/356 | 350/662 |
| N42UH | NdFeB | Nd2Fe14B | 12800 | 11300 | 25 | 42 | 180/356 | 350/662 |
| N28EH | NdFeB | Nd2Fe14B | 10400 | 9800 | 30 | 28 | 200/392 | 350/662 |
| N30EH | NdFeB | Nd2Fe14B | 10800 | 10200 | 30 | 30 | 200/392 | 350/662 |
| N33EH | NdFeB | Nd2Fe14B | 11300 | 10500 | 30 | 33 | 200/392 | 350/662 |
| N35EH | NdFeB | Nd2Fe14B | 11700 | 11000 | 30 | 35 | 200/392 | 350/662 |
| N38EH | NdFeB | Nd2Fe14B | 12200 | 11300 | 30 | 38 | 200/392 | 350/662 |
| N40EH | NdFeB | Nd2Fe14B | 12500 | 11300 | 30 | 40 | 200/392 | 350/662 |
Other Properties of Neodynium Magnets
| Tem. Coeff.of BR | -0.11%/℃ | Temp.Coeff.ofiHC | -0.60%/℃ |
| Density | 7.4-7.6g/cc | Electrical Resistivity | 144μΩ/cm |
| Vickers Hardness | 600/Hv | Flexural Strength | 25kg/mm |
| Tensile Strength | 8.0kg/mm2 | Coeff. Of Thermal Expansion | 4 x 10-6%/℃ |
| Specific Heat | 0.12kCal/(kg.℃) | Thermal Conductivity | 7.7w/(m℃) |
| Yound’s Modulus | 1.6 x 10”N/m2 | Rigidity | 0.64N/m2 |
| Poisson’s Ratio | 0.24 | Compressibility | 9.8 X 10-12m2/N |
| Curie Temperature | 310-340℃ |
