Holding Countersunk SmCo Magnets Item NO. MPCO-SCR series
Material: Samarium Cobalt
Shape: ring, countersunk
Grade:Smco5,Sm2Co17 etc.
Magnetic properties:Hcj,Hcb,BH,Br,BHmax,working temperature.
Application:widely used in sensor,speakers,reed switches,motor,rotor,wind turbines/generators,AC/DC motors,drive motors,servo motors etc.
Magnetization directions:by Axial or by radial.
Smco Mounting Super Strong Countersunk SmCo Magnets/Samarium Cobalt magnets
1) Material:sintered Samarium Cobalt magnets
2) Grade: Y10T,Y20,Y25,Y30,Y30BH,Y35,C1,C5,C8,C8B,C9,C10,C11 …… ;
3) Shape:block/disc (disc, ring, segment, magnet with countersunk, cylinder …for choice);
4) Size: customized size;
6) Application: Speaker,Electric Motors,Magnetic Separators,MRI,Reed Switching,Hall Effect Devices,Refrigerator Magnets
7)Certificate: ISO/TS 16949 ; rare earth smco countersunk magnet
Different shapes we can do for you:
Smco magnet/Samarium Cobalt magnets
General Directions of Magnetization for your choice:
a. Thickness Magnetized
b. Axially Magnetized
c. Diametrally Magnetized
d. Multi-poles magnetized
e. Radial Magnetized
f. Customzied specific requirements magnetized
Physical performance sheet of sintered SmCo
| parameters | SmCo5 | Sm2Co17 |
| αBr (%/ ℃ ) | -0.04 | -0.03 |
| αHcj (%/ ℃ ) | -0.3 | -0.2 |
| Curie teperature(℃) | 700-750 | 800-850 |
| density (g/cm3 ) | 8.2-8.4 | 8.3-8.5 |
| Webster hardness (HV) | 450-500 | 500-600 |
| Working temperature ( ℃ ) | 250 | 350 |
The Magnetic Properties of Sintered SmCo magnets
| acteristics | Residual Flux Br | Coercive Force Hcb | Intrinsic Coercive Force Hcj | Max. Enery Product(BH)max | Curie Temp Tc | Density ρ | Temp.Coefficient △Bd/Bd | Thermal Expansion coefficient | Vickers Hardness | ||
| Material Grade | Tesal (kGs) | KA/m (kOe) | KA/m (kOe) | kJ/m3 (MGOe) | (℃) | g/cm3 | (％/℃) | C⊥ (1℃) | C∥ (1℃) | Hv | |
| 1:5 SmCo5 | SM~18 | 0.80~0.90 (8.0~9.0) | 621~700 (7.8~8.8) | ≥1990 (≥25.0) | 127~159 (16.0~20.0) | 750~800 | 8.2~8.4 | -0.05 | 13×10-6 | 6×10-6 | 450~500 |
| SM~20 | 0.90~0.95 (9.0~9.5) | 676~740 (8.5~9.3) | ≥1432 (≥18.0) | 151~167 (19~21) | 750~800 | 8.2~8.4 | -0.05 | 13×10-6 | 6×10-6 | 450~500 | |
| SM~22 | 0.95~1.00 (9.5~10.0) | 716~756 (9.0~9.5) | ≥1194 (≥15.0) | 167~183 (21~23) | 750~800 | 8.2~8.4 | -0.05 | 13×10-6 | 6×10-6 | 450~500 | |
| 2:17 Sm2 (Co,Cu,Fe,Zr) 17 | SM~18T | 0.85~0.95 (8.5~9.5) | 636~716 (8.0~9.0) | ≥1592 (≥20.0) | 127~159 (16.0~20.0) | 850~900 | 8.3~8.5 | -0.01 | 11×10-6 | 8×10-6 | 500~600 |
| SM~22T | 0.95~1.00 (9.5~10.0) | 676~756 (8.5~9.5) | ≥1592 (≥20.0) | 159~191 (20.0~24.0) | 850~900 | 8.3~8.5 | -0.01 | 11×10-6 | 8×10-6 | 500~600 | |
| SM~22L | 0.95~1.00 (9.5~10.0) | 477~637 (6.0~8.0) | 493~716 (6.2~9.0) | 159~191 (20.0~24.0) | 800~850 | 8.3~8.5 | -0.03 | 11×10-6 | 8×10-6 | 500~600 | |
| SM~22H | 0.95~1.00 (9.5~10.0) | 557~756 (7.0~9.5) | 637~1194 (8.0~15.0) | 159~191 (20.0~24.0) | 800~850 | 8.3~8.5 | -0.03 | 11×10-6 | 8×10-6 | 500~600 | |
| SM~22U | 0.95~1.00 (9.5~10.0) | 716~796 (9.0~10.0) | ≥1990 (≥25.0) | 159~191 (20.0~24.0) | 800~850 | 8.3~8.5 | -0.03 | 11×10-6 | 8×10-6 | 500~600 | |
| SM~26L | 1.00~1.08 (10.0~10.8) | 477~637 (6.0~8.0) | 493~716 (6.2~9.0) | 191~223 (24.0~28.0) | 800~850 | 8.3~8.5 | -0.03 | 11×10-6 | 8×10-6 | 500~600 | |
| SM~26H | 1.00~1.08 (10.0~10.8) | 557~836 (7.0~10.5) | 637~1194 (8.0~15.0) | 191~223 (24.0~28.0) | 800~850 | 8.3~8.5 | -0.03 | 11×10-6 | 8×10-6 | 500~600 | |
| SM~26U | 1.00~1.08 (10.0~10.8) | 756~836 (9.5~10.5) | ≥1990 (≥25.0) | 191~223 (24.0~28.0) | 800~850 | 8.3~8.5 | -0.03 | 11×10-6 | 8×10-6 | 500~600 | |
| SM~28L | 1.04~1.10 (10.4~11.0) | 477~637 (6.0~8.0) | 493~716 (6.2~9.0) | 207~239 (26.0~30.0) | 800~850 | 8.3~8.5 | -0.03 | 11×10-6 | 8×10-6 | 500~600 | |
| SM~28H | 1.04~1.10 (10.4~11.0) | 557~836 (7.0~10.5) | 637~1194 (8.0~15.0) | 207~239 (26.0~30.0) | 800~850 | 8.3~8.5 | -0.03 | 11×10-6 | 8×10-6 | 500~600 | |
| SM~28U | 1.04~1.10 (10.4~11.0) | 756~836 (9.5~10.5) | ≥1990 (≥25.0) | 207~239 (26.0~30.0) | 800~850 | 8.3~8.5 | -0.03 | 11×10-6 | 8×10-6 | 500~600 | |
| SM~30L | 1.08~1.12 (10.8~11.2) | 477~637 (6.0~8.0) | 493~716 (6.2~9.0) | 223~247 (28.0~31.0) | 800~850 | 8.3~8.5 | -0.03 | 11×10-6 | 8×10-6 | 500~600 | |
| SM~30H | 1.08~1.12 (10.8~11.2) | 557~836 (7.0~10.5) ~10.2).0~10.5) | 637~1194 (8.0~15.0) | 223~247 (28.0~31.0) | 800~850 | 8.3~8.5 | -0.03 | 11×10-6 | 8×10-6 | 500~600 | |
| SM~30U | 1.08~1.12 (10.8~11.2) | 796~859 (10.0~10.8) | ≥1990 (≥25.0) | 223~247 (28.0~31.0) | 800~850 | 8.3~8.5 | -0.03 | 11×10-6 | 8×10-6 | 500~600 | |
| SM~32 | 1.10~16 (11.0~11.6) (26.0~30.0) | 557~836 (7.0~10.5) | ≥637 (≥8.0) | ≥239 (≥30.0) | 800~850 | 8.3~8.5 | -0.03 | 11×10-6 | 8×10-6 | 500~600 | |
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