- Model NO.: BWND
- Shape: Ring
- Grade: N40
- Tolerance: +/-0.05mm
- Port: Shanghai / Ningbo
- Composition: NdFeB Magnet
- Specification: REACH, CE, ROHS
- HS Code: 8505111000
- Application: Speaker Magnet, Industrial Magnet, Motor Magnet
- Coating: Nickel
- Product Name: N45 Ring NdFeB Ni Coating Magnet with Hole
- Shipment: by Sea,Air,Express
- Type: Permanent
- Trademark: BEST WAY
- Origin: Ningbo, Zhejiang
Material: Neodymium-Iron-Boron/Nd-Fe-B
Grade: Full N30-N50, include N, SH, UH, EH series
Coating: NICUNI, Cooper+Nickel, Znic, Epoxy Blak, Cooper, Gold...
Magnetized direction: Thru. Axially
Sizes: According to customers'
Delivery: 10-15days
Free samples are be supplied at customer's requests.
Application: Sensors, motors, rotors, wind turbines, lounderspeakers, magnetic hooks, pump machine etc.
Welcome to contact us to know more information.
|  Grade | Br mT(KGS) |  Hcb KA/M (KOe) |  Hcj KA/m (KOe) |  (BH)max KJ/m3)MGOe) |  Super working temperrature (ºC) |
|  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 |
| 30M | 1080-1130(10.8-11.3) | ≥ 796( ≥ 10.0) | ≥ 1114 ( ≥ 14) | 223-247(28-31) | 100ºC |
| 33M | 1130-1170(11.3-11.7) | ≥ 836( ≥ 10.5) | ≥ 1114( ≥ 14) | 247-263(31-33) | 100ºC |
| 35M | 1170-1220(11.7-12.2) | ≥ 868( ≥ 10.9) | ≥ 1114( ≥ 14) | 263-287(33-36) | 100ºC |
| 38M | 1220-1250(12.2-12.5) | ≥ 899( ≥ 11.3) | ≥ 1114( ≥ 14) | 287-310(36-39) | 100ºC |
| 40M | 1250-1280(12.5-12.8) | ≥ 923( ≥ 11.6) | ≥ 1114( ≥ 14) | 302-326(38-41) | 100ºC |
| 42M | 1280-1320(12.8-13.2) | ≥ 955( ≥ 12.0) | ≥ 1114( ≥ 14) | 318-342(40-43) | 100ºC |
| 45M | 1320-1380(13.2-13.8) | ≥ 995( ≥ 12.5) | ≥ 1114 ( ≥ 14) | 342-366 (43-46) | 100ºC |
| 48M | 1360-1430(13.6-14.3) | ≥ 1027( ≥ 12.9) | ≥ 1114( ≥ 14) | 366-390(46-49) | 100ºC |
| 50M | 1400-1450(14.0-14.5) | ≥ 1033 ( ≥ 13.0) | ≥ 1114( ≥ 14) | 382-406(48-51) | 100ºC |
Please be free to contact us for more information.
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