- Model NO.: NdFeB Magnet
- Shape: Bar&Arc Segment
- Grade: N35
- Type: Permanent
- Plating: Epoxy Coating
- Category: Sintered
- Member Type: Gold Member
- City: Ningbo
- Transport Package: Standard Export Packing for Air or Sea Shipping
- HS Code: 8505111000
- Application: Industrial Magnet, Motor Magnet
- Coating: Black Epoxy
- Material: Neodymium Iron Boron & NdFeB Magnet
- Dimension: as Your Requiements
- Tolerance: +/-0.1mm
- Business Type: Manufacturer/Factory
- R&D Capacity: Owned Brand/OEM/ODM
- Trademark: HHS MAG
- Origin: Ningbo, China
Product Description
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Product name: | Powerful china Permanent magnet manufacture sintered ndfeb magnet |
Shape: | Cylinder/Rod/arc  ( Disc, Block, Ring, Countersunk, Segment, Trapezoid, Irregular shapes are available, Customized shapes for Sintered NdFeB  Magnet are also available) |
Direction of magnetisation: | Through the thickness or through the diameter |
Type of coating:  | Nickle, Ni-Cu-Ni, Zn, Gold, Silver, Copper, Epoxy, Chemical, PTFE, Parylene, Everlube, Passivation and so on.  |
Grade: | N35-N52; N35M-N50M; N35H-N48H; N35SH-N45SH;N30UH-N40UH; N30EH-N38EH |
Tolerance in size: |
+/-0.10mm  |
Magnetic Characteristics and Physical Properties of Sintered NdFeB
Grade | Remanence | Coercive Force | Intrinsic Coercive force | Max Energy Product | Highest Work temperature | ||||
Br | Hcb | Hci | (BH) max | ||||||
T | KGs | KOe | KA/m | KOe | KA/m | MGOe | KJ/m | ºC | |
N35 | 1.16-1.22 | 11.6-12.2 | 11 | 876 | 12 | 955 | 33-36 | 263-287 | 80 |
N38 | 1.22-1.27 | 12.2-12.7 | 11 | 876 | 12 | 955 | 36-39 | 287-310 | 80 |
N40 | 1.25-1.31 | 12.5-1.31 | 11 | 876 | 12 | 955 | 38-41 | 303-326 | 80 |
N42 | 1.28-1.34 | 12.8-13.4 | 11 | 876 | 12 | 955 | 40-43 | 318-342 | 80 |
N45 | 1.32-1.38 | 13.2-13.8 | 11 | 876 | 12 | 955 | 43-46 | 342-366 | 80 |
N48 | 1.37-14.3 | 13.7-14.3 | 10.5 | 836 | 11.5 | 915 | 46-49 | 366-390 | 80 |
N50 | 1.40-1.46 | 14.0-14.6 | 10.5 | 836 | 11.5 | 915 | 48-51 | 382-406 | 80 |
N52 | 1.43-1.49 | 14.3-14.9 | 10.5 | 836 | 11.5 | 915 | 50-53 | 398-422 | 80 |
N30M | 1.08-1.14 | 10.8-11.4 | 9.8 | 780 | 14 | 1114 | 28-31 | 223-247 | 100 |
N33M | 1.14-1.18 | 11.4-11.8 | 10.3 | 820 | 14 | 1114 | 31-33 | 247-263 | 100 |
N35M | 1.6-1.22 | 11.6-12.2 | 10.6 | 845 | 14 | 1114 | 33-36 | 263-287 | 100 |
N38M | 1.23-1.27 | 12.3-12.7 | 11 | 876 | 14 | 1114 | 38-41 | 303-326 | 100 |
N40M | 1.25-1.31 | 12.5-13.1 | 11.5 | 912 | 14 | 1114 | 38-41 | 303-326 | 100 |
N42M | 1.28-1.34 | 12.8-13.4 | 11.8 | 938 | 14 | 1114 | 40-43 | 318-342 | 100 |
N45M | 1.32-1.38 | 13.2-13.8 | 12.2 | 976 | 14 | 1114 | 43-46 | 342-366 | 100 |
N48M | 1.37-1.43 | 13.7-14.3 | 12.7 | 1012 | 13.5 | 1075 | 46-49 | 366-390 | 100 |
N50M | 1.40-1.46 | 14.0-14.6 | 13 | 1035 | 13.5 | 1075 | 48-51 | 382-406 | 100 |
N35H | 1.16-1.22 | 11.6-12.2 | 10.6 | 845 | 17 | 1353 | 33-36 | 263-287 | 120 |
N38H | 1.21-1.27 | 12.1-12.7 | 11.1 | 886 | 17 | 1353 | 36-39 | 287-310 | 120 |
N40H | 1.25-1.31 | 12.5-13.1 | 11.5 | 912 | 17 | 1353 | 38-41 | 303-326 | 120 |
N42H | 1.28-1.34 | 12.8-13.4 | 11.8 | 938 | 16.5 | 1313 | 40-43 | 318-342 | 120 |
N45H | 1.32-1.38 | 13.2-13.8 | 12.2 | 976 | 16 | 1274 | 43-46 | 342-366 | 120 |
N30SH | 1.07-1.14 | 10.7-11.4 | 9.7 | 772 | 20 | 1592 | 28-31 | 223-247 | 150 |
N33SH | 1.22-1.19 | 1.14-1.18 | 10.2 | 816 | 20 | 1592 | 31-34 | 247-271 | 150 |
N35SH | 1.16-1.22 | 11.6-12.2 | 10.6 | 845 | 20 | 1592 | 33-36 | 263-287 | 150 |
N38SH | 1.21-12.7 | 12.1-12.7 | 11.1 | 886 | 20 | 1592 | 36-39 | 278-310 | 150 |
N40SH | 1.25-1.31 | 12.5-13.1 | 11.5 | 912 | 20 | 1592 | 38-41 | 302-326 | 150 |
N42SH | 1.28-1.34 | 12.8-13.4 | 11.8 | 938 | 20 | 1592 | 40-43 | 318-342 | 150 |
N30UH | 1.07-1.14 | 10.7-11.4 | 9.7 | 772 | 25 | 1990 | 28-31 | 223-247 | 180 |
N33UH | 1.12-1.19 | 11.2-11.9 | 10.2 | 816 | 25 | 1991 | 31-34 | 247-271 | 180 |
N35UH | 1.16-1.22 | 11.6-12.2 | 10.6 | 845 | 24 | 1910 | 33-36 | 263-287 | 180 |
N38UH | 1.21-1.27 | 12.1-12.7 | 11.1 | 886 | 24 | 1910 | 36-39 | 287-310 | 180 |
N30EH | 1.07-1.14 | 10.7-11.4 | 9.7 | 772 | 30 | 2388 | 28-31 | 223-247 | 200 |
N33EH | 1.12-1.19 | 11.2-11.9 | 10.2 | 816 | 30 | 2388 | 31-34 | 247-271 | 200 |
N35EH | 1.16-1.22 | 11.6-12.2 | 10.6 | 845 | 30 | 2388 | 33-36 | 263-287 | 200 |
Physical Properties of Sintered NdFeB Material
Properties | Unit | Parameter | |||||
Curie Point | ºC | 310-340 | |||||
((Br)/ (%/K)Temp.Coeff.of Br | %ºC | -0.08 ~ - 0.12 | |||||
(β(Hcj/%/K)Temp.Coeff.of Hcj | %ºC | -0.42 ~ -0.70 | |||||
Density | g/cm3 | ≥7.3 | |||||
Vickers Hardness | Hv | 600 | |||||
Bending strength | Mpa | 250 | |||||
Tensile strength | Mpa | 80 | |||||
Compressive strength | Mpa | 1050 | |||||
Electrical resistivity | μΩcm | 150 | |||||
Thermal conductivity | W/(m.ºC) |
6 ~8 Â |
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