we are the supplier of
small disc NdFeB magnets, disc neodymium(NdFeB) Magnets,dics NDFEB magnets.
Specifications
Small Disc Magnet
Sizes and shapes: according to your details.
Grade: N35, N38, N40, N42, N50, N52, N35H, N38H...
Coating: Ni COATING, Zn COATING, Epoxy COATING,
Magnet (NdFeB magnet) is made from Neodymium, Iron, Boron and some
other transitive metallic elements to make it strong
General Features
Grades:N33,N35,N38,N40,N42,N45,N48,N50,N52, (M, H, SH, EH, UH,AH )
Coatings: Ni, Ni-Cu-Ni, Zn, white-blue Zn,
Epoxy, Gold, and etc.
Sizes: according to your requirements
Shapes: disc, cylinder, sphere, block ,ring ,tile, arc, and etc.
High magnetic performance (Br: 11,000 to 14,500 Gs, Hci: 11,000 to 30,000 Oe, BHmax: 35 to 50 MGOe )
Maximum working temperature: 80 to 200 degrees C
Applications
NdFeB Magnet are widely used in computers (voice coil motor of hard disc drive, pick-up of optical disk drive), mobile phones, wind generator, magnetic resonance image, Hi-Fi system, auto motors, etc.
Certifications
ISO9001:2000
SGS
About Us
We guarantee the best price based on the same quality and service
Our finance condition and industrial reputation are excellent.
The Physical Properties of Neodymium Permanent Magnete Super Strong Magneti Neodimio Rare Earth Magnet Neodyme:
Parameters | Units | Indicators |
Density | g/cm³ | ≥7.3 |
Home temperature | ℃ | 310-340 |
BrReversible temperature coefficient | ℃/% | -0.100~-0.130 |
HcjReversible temperature coefficient | ℃/% | 0.40~0.70 |
Compressive strength | N/mm2 | 1050 |
Bending strength | N/mm2 | 250 |
Tensile strength | N/mm2 | 80 |
Webster Hardness | | 600 |
Coefficient of thermal expansion(20 to 200℃) | 10-6/k | ∥5⊥-1.5 |
Specific heat | J/(Kg.K) | 460 |
Thermal conductivity | W/(m.K) | 9 |
Resistivity | μΩ.cm | 150 |
The Magnetic Properties of Neodymium Permanent Magnete Super Strong Magneti Neodimio Rare Earth Aimant Neodyme:
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Grade | Remanence | Coercivity Force | Intrinsic Coercive Force | Max. Energy Product | maximum Operating Temp. | Br | Hcb | Hcj | ( BH ) max | mT | kGs | kA/m | kOe | kA/m | kOe | kJ/m3 | MGOe | N35 | 1170-1220 | 11.7-12.2 | ≥868 | ≥10.9 | ≥955 | ≥12 | 263-287 | 33-36 | 80 ℃ | N38 | 1220-1250 | 12.2-12.5 | ≥899 | ≥11.3 | ≥955 | ≥12 | 287-310 | 36-39 | 80 ℃ | N40 | 1250-1280 | 12.5-12.8 | ≥907 | ≥11.4 | ≥955 | ≥12 | 302-326 | 38-41 | 80 ℃ | N42 | 1280-1320 | 12.8-13.2 | ≥915 | ≥11.5 | ≥955 | ≥12 | 318-342 | 40-43 | 80 ℃ | N45 | 1320-1380 | 13.2-13.8 | ≥923 | ≥11.6 | ≥955 | ≥12 | 342-366 | 43-46 | 80 ℃ | N48 | 1380-1420 | 13.8-14.2 | ≥923 | ≥11.6 | ≥876 | ≥12 | 366-390 | 46-49 | 80 ℃ | N50 | 1400-1450 | 14.0-14.5 | ≥796 | ≥10.0 | ≥876 | ≥11 | 382-406 | 48-51 | 60 ℃ | N52 | 1430-1480 | 14.3-14.8 | ≥796 | ≥10.0 | ≥876 | ≥11 | 398-422 | 50-53 | 60 ℃ | 33M | 1130-1170 | 11.3-11.7 | ≥836 | ≥10.5 | ≥1114 | ≥14 | 247-263 | 31-33 | 100 ℃ | 35M | 1170-1220 | 11.7-12.2 | ≥868 | ≥10.9 | ≥1114 | ≥14 | 263-287 | 33-36 | 100 ℃ | 38M | 1220-1250 | 12.2-12.5 | ≥899 | ≥11.3 | ≥1114 | ≥14 | 287-310 | 36-39 | 100 ℃ | 40M | 1250-1280 | 12.5-12.8 | ≥923 | ≥11.6 | ≥1114 | ≥14 | 302-326 | 38-41 | 100 ℃ | 42M | 1280-1320 | 12.8-13.2 | ≥955 | ≥12.0 | ≥1114 | ≥14 | 318-342 | 40-43 | 100 ℃ | 45M | 1320-1380 | 13.2-13.8 | ≥995 | ≥12.5 | ≥1114 | ≥14 | 342-366 | 43-46 | 100 ℃ | 48M | 1360-1430 | 13.6-14.3 | ≥1027 | ≥12.9 | ≥1114 | ≥14 | 366-390 | 46-49 | 100 ℃ | 50M | 1400-1450 | 14.0-14.5 | ≥1033 | ≥13.0 | ≥1114 | ≥14 | 382-406 | 48-51 | 100 ℃ | 33H | 1130-1170 | 11.3-11.7 | ≥836 | ≥10.5 | ≥1353 | ≥17 | 247-271 | 31-34 | 120 ℃ | 35H | 1170-1220 | 11.7-12.2 | ≥868 | ≥10.9 | ≥1353 | ≥17 | 263-287 | 33-36 | 120 ℃ | 38H | 1220-1250 | 12.2-12.5 | ≥899 | ≥11.3 | ≥1353 | ≥17 | 287-310 | 36-39 | 120 ℃ | 40H | 1250-1280 | 12.5-12.8 | ≥923 | ≥11.6 | ≥1353 | ≥17 | 302-326 | 38-41 | 120 ℃ | 42H | 1280-1320 | 12.8-13.2 | ≥955 | ≥12.0 | ≥1353 | ≥17 | 318-342 | 40-43 | 120 ℃ | 45H | 1300-1360 | 13-13.6 | ≥963 | ≥12.1 | ≥1353 | ≥17 | 326-358 | 43-46 | 120 ℃ | 48H | 1370-1430 | 13.7-14.3 | ≥995 | ≥12.5 | ≥1353 | ≥17 | 366-390 | 46-49 | 120 ℃ | 33SH | 1130-1170 | 11.3-11.7 | ≥844 | ≥10.6 | ≥1592 | ≥20 | 247-271 | 31-34 | 150 ℃ | 35SH | 1170-1220 | 11.7-12.2 | ≥876 | ≥11.0 | ≥1592 | ≥20 | 263-287 | 33-36 | 150 ℃ | 38SH | 1220-1250 | 12.2-12.5 | ≥907 | ≥11.4 | ≥1592 | ≥20 | 287-310 | 36-39 | 150 ℃ | 40SH | 1240-1280 | 12.5-12.8 | ≥939 | ≥11.8 | ≥1592 | ≥20 | 302-326 | 38-41 | 150 ℃ | 42SH | 1280-1320 | 12.8-13.2 | ≥987 | ≥12.4 | ≥1592 | ≥20 | 318-342 | 40-43 | 150 ℃ | 45SH | 1320-1380 | 13.2-13.8 | ≥1003 | ≥12.6 | ≥1592 | ≥20 | 342-366 | 43-46 | 150 ℃ | 28UH | 1020-1080 | 10.2-10.8 | ≥764 | ≥9.6 | ≥1990 | ≥25 | 207-231 | 26-29 | 180 ℃ | 30UH | 1080-1130 | 10.8-11.3 | ≥812 | ≥10.2 | ≥1990 | ≥25 | 223-247 | 28-31 | 180 ℃ | 33UH | 1130-1170 | 11.3-11.7 | ≥852 | ≥10.7 | ≥1990 | ≥25 | 247-271 | 31-34 | 180 ℃ | 35UH | 1180-1220 | 11.8-12.2 | ≥860 | ≥10.8 | ≥1990 | ≥25 | 263-287 | 33-36 | 180 ℃ | 38UH | 1220-1250 | 12.2-12.5 | ≥876 | ≥11.0 | ≥1990 | ≥25 | 287-310 | 36-39 | 180 ℃ | 40UH | 1240-1280 | 12.5-12.8 | ≥899 | ≥11.3 | ≥1990 | ≥25 | 302-326 | 38-41 | 180 ℃ | 42UH | 1280-1320 | 12.8-13.2 | ≥899 | ≥11.3 | ≥1990 | ≥25 | 318-342 | 40-43 | 180 ℃ | 28EH | 1040-1090 | 10.4-10.9 | ≥780 | ≥9.8 | ≥2388 | ≥30 | 207-231 | 26-29 | 200 ℃ | 30EH | 1080-1130 | 10.8-11.3 | ≥812 | ≥10.2 | ≥2388 | ≥30 | 223-247 | 28-31 | 200 ℃ | 33EH | 1130-1170 | 11.3-11.7 | ≥836 | ≥10.5 | ≥2388 | ≥30 | 247-271 | 31-34 | 200 ℃ | 35EH | 1170-1220 | 11.7-12.2 | ≥876 | ≥11.0 | ≥2388 | ≥30 | 263-287 | 33-36 | 200 ℃ | 38EH | 1220-1250 | 12.2-12.5 | ≥899 | ≥11.3 | ≥2388 | ≥30 | 287-310 | 36-39 | 200 ℃ | 40EH | 1250-1280 | 12.5-12.8 | ≥899 | ≥11.3 | ≥2388 | ≥30 | 287-310 | 38-41 | 200 ℃ | 28AH | 1040-1080 | 10.4-10.8 | ≥787 | ≥9.9 | ≥2624 | ≥33 | 207-231 | 26-29 | 230 ℃ | 30AH | 1080-1130 | 10.8-11.3 | ≥819 | ≥10.3 | ≥2624 | ≥33 | 223-247 | 28-31 | 230 ℃ | 33AH | 1130-1170 | 11.3-11.7 | ≥843 | ≥10.6 | ≥2624 | ≥33 | 247-271 | 31-34 | 230 ℃ | 35AH | 1170-1220 | 11.7-12.2 | ≥876 | ≥11.0 | ≥2624 | ≥33 | 263-287 | 33-36 | 230 ℃ |
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Pictures of Neodymium Disc Magnet / Sintered NdFeB magnet / Neodymium Iron Boron Magnet / Sehr Starke Magnet: