2021 wholesale price Ring Permanent Magnet - Strong Permanent Neodymium Magnets – Pulong Detail:
Product Description
Composite: Rare Earth Magnets
Size: Customized for Neodymium Magnet
Other Coating: Ni, Ni-Cu-Ni, Zn(Cr3+), Tin, Epoxy, Ni-AG, Ni-Au
Tolerance: +/-0.05 for Neodymium Magnet
Delivery Detail: 15 Days After Order Confirmed for Neodymium Magnet
Export Markets: Global
OEM Service: Yes
Other Shape: Arc, Ring, Ball, Bar, Strick, Sheet, Block for Neo
Transport Package: Sea Pallet / Air Carton / Express Packaging
Origin: China
Production Capacity: 10, 000, 000 PCS/Month
Magnetic Properties
| Grade | Remanence | Magnetic Inductio | Intrinsic Coercivity | Max Magnetic Energy Product | Temperature Coefficient | Max Working Temperture | Density | |||||
| Br | Hcb | Hcj | (BH)max | α Br | β Hcj | Tw | ρ | |||||
| T | kGs | kA/m | kOe | kA/m | kOe | KJ/m3 | MGOe | %/℃ | %/℃ | ℃ | g/cm2 | |
| N55 | ≥1.45 | ≥14.5 | 836 | 10.5 | ≥955 | ≥12 | 406-437 | 51-55 | -0.12 | -0.8 | 80 | ≥7.5 |
| N54 | ≥1.44 | ≥14.4 | 836 | 10.5 | ≥955 | ≥12 | 398-437 | 50-55 | -0.12 | -0.8 | 80 | ≥7.5 |
| N52 | 1.42-1.44 | 14.2-14.4 | 836 | 10.5 | ≥955 | ≥12 | 390-422 | 49-53 | -0.12 | -0.8 | 80 | ≥7.5 |
| N50 | 1.4-1.42 | 14-14.2 | 836 | 10.5 | ≥955 | ≥12 | 374-406 | 47-51 | -0.12 | -0.8 | 80 | ≥7.5 |
| N48 | 1.37-1.4 | 13.7-14 | 915 | 11.5 | ≥955 | ≥12 | 366-390 | 46-49 | -0.12 | -0.8 | 80 | ≥7.5 |
| N45 | 1.32-1.37 | 13.2-13.7 | 915 | 11.5 | ≥955 | ≥12 | 342-366 | 43-46 | -0.12 | -0.8 | 80 | ≥7.5 |
| 54M | ≥1.44 | ≥14.4 | 1056 | 13.3 | ≥1114 | ≥14 | 398-422 | 50-53 | -0.12 | -0.8 | 100 | ≥7.5 |
| 52M | 1.42-1.44 | 14.2-14.4 | 1056 | 13.3 | ≥1114 | ≥14 | 390-422 | 49-53 | -0.12 | -0.8 | 100 | ≥7.5 |
| 50M | 1.4-1.42 | 14-14.2 | 1034 | 13.0 | ≥1114 | ≥14 | 374-406 | 47-51 | -0.12 | -0.8 | 100 | ≥7.5 |
| 48M | 1.37-1.4 | 13.7-14 | 1019 | 12.8 | ≥1114 | ≥14 | 366-390 | 46-49 | -0.12 | -0.8 | 100 | ≥7.5 |
| 45M | 1.32-1.37 | 13.2-13.7 | 1008 | 12.7 | ≥1114 | ≥14 | 342-366 | 43-46 | -0.12 | -0.8 | 100 | ≥7.5 |
| 42M | 1.28-1.32 | 12.8-13.2 | 970 | 12.2 | ≥1114 | ≥14 | 318-342 | 40-43 | -0.12 | -0.8 | 100 | ≥7.5 |
| 54H | ≥1.44 | ≥14.4 | 1056 | 13.3 | ≥1353 | ≥17 | 398-422 | 50-53 | -0.12 | -0.7 | 120 | ≥7.5 |
| 52H | 1.42-1.44 | 14.2-14.4 | 1056 | 13.3 | ≥1353 | ≥17 | 390-422 | 49-53 | -0.12 | -0.7 | 120 | ≥7.5 |
| 50H | 1.4-1.42 | 14-14.2 | 1034 | 13.0 | ≥1353 | ≥17 | 374-406 | 47-51 | -0.12 | -0.7 | 120 | ≥7.5 |
| 48H | 1.37-1.4 | 13.7-14 | 1019 | 12.8 | ≥1353 | ≥17 | 366-390 | 46-49 | -0.12 | -0.7 | 120 | ≥7.5 |
| 45H | 1.32-1.37 | 13.2-13.7 | 1008 | 12.7 | ≥1353 | ≥17 | 342-366 | 43-46 | -0.12 | -0.7 | 120 | ≥7.5 |
| 42H | 1.28-1.32 | 12.8-13.2 | 970 | 12.2 | ≥1353 | ≥17 | 318-342 | 40-43 | -0.12 | -0.7 | 120 | ≥7.5 |
| 40H | 1.26-1.28 | 12.6-12.8 | 948 | 11.9 | ≥1353 | ≥17 | 302-326 | 38-41 | -0.12 | -0.7 | 120 | ≥7.5 |
| 52SH | 1.42-1.44 | 14.2-14.4 | 1056 | 13.3 | ≥1592 | ≥20 | 390-422 | 49-53 | -0.12 | -0.6 | 150 | ≥7.5 |
| 50SH | 1.4-1.42 | 14-14.2 | 1034 | 13.0 | ≥1592 | ≥20 | 374-406 | 47-51 | -0.12 | -0.6 | 150 | ≥7.5 |
| 48SH | 1.37-1.4 | 13.7-14 | 1019 | 12.8 | ≥1592 | ≥20 | 366-390 | 46-49 | -0.12 | -0.6 | 150 | ≥7.5 |
| 45SH | 1.32-1.37 | 13.2-13.7 | 1008 | 12.7 | ≥1592 | ≥20 | 342-366 | 43-46 | -0.12 | -0.6 | 150 | ≥7.5 |
| 42SH | 1.28-1.32 | 12.8-13.2 | 970 | 12.2 | ≥1592 | ≥20 | 318-342 | 40-43 | -0.12 | -0.6 | 150 | ≥7.5 |
| 40SH | 1.26-1.28 | 12.6-12.8 | 948 | 11.9 | ≥1592 | ≥20 | 302-326 | 38-41 | -0.12 | -0.6 | 150 | ≥7.5 |
| 38SH | 1.22-1.26 | 12.2-12.6 | 925 | 11.6 | ≥1592 | ≥20 | 287-310 | 36-39 | -0.12 | -0.6 | 150 | ≥7.5 |
| 35SH | 1.17-1.22 | 11.7-12.2 | 887 | 11.1 | ≥1592 | ≥20 | 263-287 | 33-36 | -0.12 | -0.6 | 150 | ≥7.5 |
| 33SH | 1.13-1.17 | 11.3-11.7 | 857 | 10.8 | ≥1592 | ≥20 | 247-271 | 31-34 | -0.12 | -0.6 | 150 | ≥7.5 |
| 30SH | 1.08-1.13 | 10.8-11.3 | 819 | 10.3 | ≥1592 | ≥20 | 223-254 | 28-32 | -0.12 | -0.6 | 150 | ≥7.5 |
| 48UH | 1.36-1.4 | 13.6-14 | 1029 | 12.9 | ≥1990 | ≥25 | 366-390 | 46-49 | -0.12 | -0.6 | 180 | ≥7.5 |
| 45UH | 1.32-1.37 | 13.2-13.7 | 1008 | 12.7 | ≥1990 | ≥25 | 342-366 | 43-46 | -0.12 | -0.6 | 180 | ≥7.5 |
| 42UH | 1.28-1.32 | 12.8-13.2 | 970 | 12.2 | ≥1990 | ≥25 | 318-342 | 40-43 | -0.12 | -0.6 | 180 | ≥7.5 |
| 40UH | 1.26-1.28 | 12.6-12.8 | 948 | 11.9 | ≥1990 | ≥25 | 302-326 | 38-41 | -0.12 | -0.6 | 180 | ≥7.5 |
| 38UH | 1.22-1.26 | 12.2-12.6 | 925 | 11.6 | ≥1990 | ≥25 | 287-310 | 36-39 | -0.12 | -0.6 | 180 | ≥7.5 |
| 35UH | 1.17-1.22 | 11.7-12.2 | 887 | 11.1 | ≥1990 | ≥25 | 263-287 | 33-36 | -0.12 | -0.6 | 180 | ≥7.5 |
| 33UH | 1.13-1.17 | 11.3-11.7 | 857 | 10.8 | ≥1990 | ≥25 | 247-271 | 31-34 | -0.12 | -0.6 | 180 | ≥7.5 |
| 30UH | 1.08-1.13 | 10.8-11.3 | 819 | 10.3 | ≥1990 | ≥25 | 223-255 | 28-32 | -0.12 | -0.51 | 180 | ≥7.5 |
| 28UH | 1.02-1.08 | 10.2-10.8 | 773 | 9.7 | ≥1990 | ≥25 | 207-231 | 26-29 | -0.12 | -0.51 | 180 | ≥7.5 |
| 42EH | 1.28-1.32 | 12.8-13.2 | 970 | 12.2 | ≥2388 | ≥30 | 318-342 | 40-43 | -0.12 | -0.5 | 200 | ≥7.5 |
| 40EH | 1.25-1.28 | 12.5-12.8 | 948 | 11.9 | ≥2388 | ≥30 | 302-326 | 38-41 | -0.12 | -0.5 | 200 | ≥7.5 |
| 38EH | 1.22-1.26 | 12.2-12.6 | 925 | 11.6 | ≥2388 | ≥30 | 287-310 | 36-39 | -0.12 | -0.5 | 200 | ≥7.5 |
| 35EH | 1.17-1.22 | 11.7-12.2 | 887 | 11.1 | ≥2388 | ≥30 | 263-287 | 33-36 | -0.12 | -0.5 | 200 | ≥7.5 |
| 33EH | 1.13-1.17 | 11.3-11.7 | 857 | 10.8 | ≥2388 | ≥30 | 247-271 | 31-34 | -0.12 | -0.5 | 200 | ≥7.5 |
| 30EH | 1.08-1.13 | 10.8-11.3 | 819 | 10.3 | ≥2388 | ≥30 | 223-255 | 28-32 | -0.12 | -0.51 | 200 | ≥7.5 |
| 28EH | 1.02-1.08 | 10.2-10.8 | 773 | 9.7 | ≥2388 | ≥30 | 207-231 | 26-29 | -0.12 | -0.51 | 200 | ≥7.5 |
| 40AH | 1.25-1.28 | 12.5-12.8 | 948 | 11.9 | ≥2786 | ≥35 | 302-326 | 38-41 | -0.12 | -0.51 | 220 | ≥7.5 |
| 38AH | 1.22-1.26 | 12.2-12.6 | 925 | 11.6 | ≥2786 | ≥35 | 287-310 | 36-39 | -0.12 | -0.51 | 220 | ≥7.5 |
| 35AH | 1.17-1.22 | 11.7-12.2 | 887 | 11.1 | ≥2786 | ≥35 | 263-287 | 33-36 | -0.12 | -0.51 | 220 | ≥7.5 |
| 33AH | 1.13-1.17 | 11.3-11.7 | 857 | 10.8 | ≥2786 | ≥35 | 247-271 | 31-34 | -0.12 | -0.51 | 220 | ≥7.5 |
| 30AH | 1.08-1.13 | 10.8-11.3 | 819 | 10.3 | ≥2786 | ≥35 | 223-255 | 28-32 | -0.12 | -0.51 | 220 | ≥7.5 |
| 28AH | 1.02-1.08 | 10.2-10.8 | 773 | 9.7 | ≥2786 | ≥35 | 199-231 | 25-29 | -0.12 | -0.51 | 220 | ≥7.5 |
Process Flow Diagram
Dimensional Tolerance
| Squared-shaped products | |||
| Dimensional Range | Dimensional Tolerance | Parallellism | Rectangularity |
| 0.5≤L≤10 | ±0.03 | ±0.03 | ＜0.3 |
| 10≤L≤50 | ±0.05 | ±0.05 | |
| L＞50 | ±0.1 | ±0.1 | |
| Wafer-shaped Products | |||
| Dimensional Range | Circularity | Dimensional Tolerance | Planeness |
| 1≤D≤5 | ±0.02 | ±0.02 | ±0.02 |
| 5≤D≤25 | ±0.03 | ±0.05 | ±0.02 |
| 25≤D≤50 | ±0.05 | ±0.05 | ±0.03 |
| D＞50 | ±0.05 | ±0.1 | ±0.1 |
| Ring-shaped Products | |||
| Dimensional Range | Circularity | Dimensional Tolerance | Planeness |
| 1≤d≤3 | ±0.02 | ±0.02 | ±0.02 |
| 3≤d≤5 | ±0.04 | ±0.03 | ±0.02 |
| 5≤d≤15 | ±0.05 | ±0.05 | ±0.03 |
| d＞15 | ±0.1 | ±0.05 | ±0.1 |
| Segment-shaped Products | ||
| Geometric Tolerance | Dimensional Range | Dimensional Tolerance |
| Wall Thickness | T≤10 | ±0.04 |
| 10＜T≤25 | ±0.05 | |
| Length | L≤10 | ±0.03 |
| 10＜L≤25 | ±0.03 | |
| 25＜L≤63 | ±0.04 | |
| L＞63 | ±0.06 | |
| Chord Length | W≤63 | ±0.05 |
| W＞63 | ±0.06 | |
Pulong Magnet has more than 10 years’ experience to deal with the magnets and magnetic products!
Strategic cooperation with China’s No.1 rare earth miner Chinalco!
Contact us today or send us a special request and let us know what you are looking for.
Product detail pictures:
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To fulfill the customers' over-expected fulfillment , we have now our solid staff to deliver our greatest general assistance which includes internet marketing, product sales, creating, manufacturing, excellent controlling, packing, warehousing and logistics for 2021 wholesale price Ring Permanent Magnet - Strong Permanent Neodymium Magnets – Pulong, The product will supply to all over the world, such as: New Zealand, Mumbai, Oman, We welcome you to visit our company & factory and our showroom displays various products and solutions that will meet your expectations. Meanwhile, it is convenient to visit our website. Our sales staff will try their best to supply you with the best services. If you will need more information, please do not hesitate to contact us via E-mail, fax or telephone.
By Chris from Afghanistan - 2018.12.30 10:21
The factory workers have a good team spirit, so we received high quality products fast, in addition, the price is also appropriate, this is a very good and reliable Chinese manufacturers.
By Olivia from Sheffield - 2018.02.08 16:45
