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Cow Magnets

FAQ on Ordering 

 

Samarium Cobalt Characteristics Samarium Cobalt Magnet 
SmCo Stock sizes


Very powerful
High working temperature
 extremely resistant to demagnetization
 Resistant to corrosion
Most expensive

 

1. SmCo5 materials:

Grade

Br     (Gauss)

Hc    (Oe)

  Hci     (Oe)

(BH)max (MGO)

Tw (Max workingTemp.)  (°F/°C)

Tc (Curie Temp.)      °F/°C)

Br Temp Coef         (%/°C)

 Hc Temp Coef      (%/°C)

18

8,500- 9,000

8,300-8,800

15,000-23,000

16-18

482/250

1,382/750 -0.05 -0.3

 20

9,000- 9,400

8,500-9,100

15,000-23,000

19-21

482/250

1,382/750 -0.05 -0.3

 22

9,000- 9,600

8,900-9,400

15,000-23,000

20-22

482/250

1,382/750 -0.05 -0.3

 24

9,600-10000

9,200-9,700

15,000-23,000

22-24

482/250

1,382/750 -0.05 -0.3


2. Sm2Co17 materials:

Grade

Br     (Gauss)

Hc    (Oe)

  Hci     (Oe)

(BH)max (MGO)

Tw (Max workingTemp.)  (°F/°C)

Tc (Curie Temp.)      °F/°C)

Br Temp Coef         (%/°C)

 Hc Temp Coef      (%/°C)

24

9,500- 10,200

8,700-9,400

≥18,000

22-24

572/300

1,472/800 -0.03 -0.2

 26

10,200-10,500

9,400-9,800

≥18,000

24-26

572/300

 1,472/800 -0.03 -0.2
28 10,300-10,800 9,500-10,000 ≥18,000 26-28 572/300 1,472/800 -0.03 -0.2
30 10,800-11,000 9,900-10,500 ≥18,000 28-30 572/300 1,472/800 -0.03 -0.2
24H 9,500-10,200 8,700-9,400 ≥25,000 22-24 662/350 1,472/800 -0.03 -0.2
26H

10,200-10,500

9,400-9,800

 ≥25,000 24-26 662/350 1,472/800 -0.03 -0.2
28H 10,300-10,800 9,500-10,000 ≥25,000 26-28 662/350 1,472/800 -0.03 -0.2

30H

10,800-11,000

9,900-10,500

≥25,000

2830

662/350

1,472/800 -0.03 -0.2


3. SmCo5 materials with Low Temperature Coefficient:

Grade

Br     (Gauss)

Hc    (Oe)

  Hci     (Oe)

(BH)max (MGO)

Tw (Max workingTemp.)  (°F/°C)

Tc (Curie Temp.)      °F/°C)

 Br Temp Coef      (%/°C)

 10LTC

5,900-6,300

5,800-6,200

18,000-23,000

8.5-10

482/250

1,292/700     20-100°C: -0.004      100-200°C: -0.021
200-300°C: -0.042


4. Sm2Co17 materials with Low Temperature Coefficient:

Grade

Br     (Gauss)

Hc    (Oe)

  Hci     (Oe)

(BH)max (MGO)

Tw (Max workingTemp.)  (°F/°C)

Tc (Curie Temp.)      °F/°C)

 Br Temp Coef      (%/°C)

 22LTC

9,400-9,800

8,400-9,000

15,000-20,000

21-23

572/300

1,544/840 -50-25°C: +0.005
20-100°C: +0.012
100-200°C: +0.006
200-300°C: -0.025