SmCo disc and cylinder magnets are used in extreme-temperature sensors, aerospace instruments, medical devices and rotary machinery where NdFeB would demagnetize.
We produce discs and cylinders with axial or diametrical magnetization, ground to tight tolerances.
Key Specifications
| Specification | Value |
|---|---|
| Grades | Sm1Co5, Sm2Co17 |
| Shapes | Disc, cylinder, stepped |
| Max working temp | Up to 350 °C |
| Magnetization | Axial, diametrical |
| Tolerance | ±0.05 mm ground |
| Applications | Aerospace, medical, sensors, instruments |
All magnets are produced to order. Please provide grade, dimension (or drawing), magnetization direction, coating and quantity for quotation. Email sales@polemagnet.com or use the inquiry form — we reply within 24 hours.
FAQ
SmCo Disc & Cylinder Magnets — FAQ
What is the maximum working temperature for SmCo discs?
Up to 350 °C for Sm2Co17 grades, with stable flux retention through extreme thermal cycling.
Can SmCo cylinders be diametrically magnetized?
Yes, diametrical magnetization is available and commonly used for rotary sensors and coupling magnets.
Do you provide free samples for testing?
Yes, sample orders are welcome. Send your drawing or specification together with the intended application so our engineers can recommend the correct grade, magnetization direction and coating before we prepare samples.
Can the factory produce to my drawing with special tolerances?
Yes. We machine, grind and inspect to customer drawing tolerances. For sintered NdFeB the standard machining tolerance is ±0.05 mm and can be tightened to ±0.02 mm with diamond grinding where the geometry allows.
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Need Custom Magnets for Your Project?
Send your drawing, grade, magnetization direction and quantity. Our engineers will reply with a quotation within 24 hours.