Samarium Cobalt Disc Permanent Magnets 
Samarium Cobalt Disc Permanent Magnets 
Samarium Cobalt Disc Permanent Magnets 

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Samarium Cobalt Disc Permanent Magnets 

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Product description

samarium cobalt special disc magnets



Features:BTS18/19   disc special samarium cobalt magnets
1) This special shape samarium cobalt magnet used in motor.
2) Size: special disc magnets
3) Grade: BTS18/19
4) Special processing technic, we produced with wire cutting machine as below picture shows.






Br

iHc

(BH)Max

Tm

Grade

KGs

T

KOe

KA/m

MGOe

KJ/m3

°C

BTS18/19

8.6-9.0

0.86-0.90

18-22

1440-1680

17-19

136-152

>250

BTS20/19

9.0-9.4

0.90-0.94

18-22

1440-1680

19-21

152-168

>250

BTS22/17

9.4-9.8

0.94-0.98

16-20

1280-1520

21-23

168-184

>250

BTS24/15

9.8-10.4

0.98-1.04

15-18

1200-1400

23-25

184-200

>250

BTS26/16

10.5-10.8

1.05-1.08

12-18

960-1440

24-27

192-216

>300

BTS26/20

10.4-10.8

1.04-1.08

18-23

1440-1840

24-27

192-216

>300

BTS28/15

10.6-11.2

1.06-1.12

12-18

960-1440

26-29

208-232

>300

BTS28/20

10.6-11.2

1.06-1.12

17-22

1360-1760

26-29

208-232

>300

BTS30/11

10.8-11.4

1.08-1.14

10-15

800-1200

28-30

224-240

>300

BTS32/13

11.2-11.8

1.12-1.18

10-18

800-1440

28-33

224-264

>300

BTS25H

10.2-10.6

1.02-1.06

26-35

2080-2800

23-26

184-208

>300

BTS27H

10.5-11.0

1.05-1.10

25-32

2000-2400

25-29

200-232

>300


Dimension Range



Block Length Width Thickness
Maximum 200.00mm 100.00mm 120.00mm
Minimum 1.00mm 0.50mm 0.30mm

Ring Outer Dia Inner Dia Thickness
Maximum 100.00mm 80.00mm 60.00mm
Minimum 1.20mm 0.30mm 0.30mm

Disc Outer Dia
Maximum 100.00mm
Minimum 1.00mm



SmCo owns following advantages
. Possess strong magnetic properties - 5-7 times more powerful than ferrite
. Very steady in the conditions capable to cause corrosion
. Possess stable magnetic properties at high temperatures (to 350 degree )
. Excellent corrosion resistance capability, no coating is needed for surface protection


Packing:
Inner packing: small white box
Outer packing: Carton with OPP bag

samarium cobalt Disc Permanent magnets

Attribute characteristics

1. Very good coercivity.

2. Good temperature stability.

3. The price is expensive, vulnerable to price fluctuations (cobalt market price sensitive).

Process flow::

Raw material---->Melting---->Milling---->Pressing---->Sintering&Tempering---->Inspection---->Machining---->Last Inspection---->Packaging

Our products are widely used in aviation and spaceflight\national defense and military affairs\microwave appliance\sensors\automobile assembly\high-temp.motor\magnetic gearings\detectors\meters and instruments\medical apparatus and machine,etc.

Certification:
samarium cobalt Disc Permanent magnets

Some properties of samarium cobalt magnet include:

1. Density: 8.4 g/cm3

2. Electrical resistance: 0.8 x 10-4 Ω·cm

3. Coefficient of Thermal Expansion: 12.5 µm/(m·K)

4. 5% change in magnetic flux density, every 100 ℃ temperature range (25-250 ℃)

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