Disk Magnets
1. Materials: Rare Earth Neodymium-Iron-Boron, Ndfeb Magnet ;
2. Grades: N33-N52,33M-48M,33H-48H,30SH-45SH,30UH-38UH, 30EH-35EH;
3. Shapes: Ring, or others;
4. Sizes: 15X2mm,20X2mm,10X2mm,22X2mm,25X3mm,Diameter x Height, mm/inch, Customized;
5. Coatings: Ni, Zn, Epoxy, NiCuNi,Ag, Gold, Copper, Chemical, Parylene, etc;
6. Applications: Sensors, motors, rotors, wind turbines/wind generators, loudspeakers, hooks,
magnetic holder, filters, automobiles,etc;
7. Parameters: Grade, Size or Drawing, Coating, Quantity, etc;
Physical Property of Magnet Material:
| N35 properties of NdFeB magnet | ||||||||
| Remanence | Coercivity | Instrinsic Coercivity | Max.Energy Product | Max.Operating | ||||
| Br(min-max)KGs | Hcb(min-max)Koe | Force Hcj(min-max)Koe | (BH)max MGOe | Temp.(℃) | ||||
| 11.7-12.3 | 10.7-12.0 | ≥12 | 33-36 | 80 | ||||
Customized Coating & Sizes Available
Surface treatment: Ni, Zn, epoxy, silver, gold, tin, Ni+Cu+Ni and Cr3+Zn;
Sizes limit: from 2mm to 140mm.
The most important point is that we can customize the size and shape according to your requests.
Quality Assurance of Magnet
Our quality assurance system in factory meets the requirements of ISO9001:2000 as certified by BM TRADA & UKAS. Our products meet RoHS standard as per test reports issued by an internationally recognized laboratory SGS. Please check the relevant certificate, reports in our website.
How to Choose Permanent Magnet Materials
Each permanent magnet material discussed above has its own pros and cons. How to choose the right one for your particular application is a challenge to any user. A balance between cost and performance must be considered in selecting of permanent magnet material. Following is a Comparison Table to help you select a right permanent magnet material for your applications.
Permanent Magnet Material Comparison Table
Note: The data listed in the table are for reference only
Material | Maximum Energy Products | Coercivity | Maximum Working |
Nd-Fe-B (sintered) | Up to 49 | Up to 30 | 200 |
Nd-Fe-B (bonded) | Up to 10 | Up to 11 | 150 |
Sm-Co (sintered) | Up to 30 | Up to 25 | 350 |
Sm-Co (bonded) | Up to 12 | Up to 10 | 150 |
Alnico | Up to 9 | Up to 2 | 550 |
Hard Ferrite | Up to 4 | Up to 3 | 300 |
Tips:
In order to quote you the best price quickly. Please provide the following information:
1. Product Size, Grade ,Coating, Quantity and so on;
2. Attached the drawing if customized;
3. Any special packing or other requirements.
Please send us drawings or specifications, we will reply to you within 24 hours.
