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AlNiCo magnet acoustic instrument pickups

Categories AlNiCo
Place of Origin: China
Brand Name: Summit
Certification: ISO9000
Material: AlNiCo magnet
service: provide OEM
MOQ: 100
Price: 0.23-1.58
Packaging Details: According to The Product Performance Requirements.
Delivery Time: 20-30days
Payment Terms: T/T
Supply Ability: 500T/A
Type: Permanent
Composite: AlNiCo Magnet
Shape: Bar
Application: Industrial Magnet
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AlNiCo magnet acoustic instrument pickups

Alnico Magnets Overview

Alnico magnetic material is an alloy of aluminum-nickel-cobalt which possesses an excellent temperature stability and high residual induction. However, its low coercive force limits its applications in many cases. Casting and sintering are two major processes used to manufacture the Alnico magnets.


Performance of Cast Alnico Magnets

CharacterIstics
Model

Max. Energy Product

Br
(Residual induction)

Hcb
(Coercive Force)

Hcj
(Intrinsic coercive
Force)

Density

Temp.Coeffienct of Br.

Curie point

Remark


(MGOe)

(KGs)

(KOe)

(KOe)

g/cm3

%/K

°C

Isotropic

SAlNiCo4/1

0.40-0.60

8.7-8.9

0.11-0.14

0.13-0.15

6.8

-0.02

750

SAlNiCo8/5

1.07-1.19

5.3-6.2

0.57-0.63

0.59-0.65

6.8

-0.02

750

SAlNiCo10/5

1.19-1.38

6.3-7.0

0.63-0.73

0.63-0.73

6.8

-0.02

780

SAlNiCo12/5

1.38-1.63

7.0-7.5

0.62-0.70

0.66-0.73)

7.0

-0.02

800

SAlNiCo14/5

1.63-1.88

7.3-8.0

0.59-0.63

0.63-0.67

7.1

-0.02

790

SAlNiCo14/6

1.76-2.00

6.2-8.1

0.70-0.81

0.73-0.83

7.1

-0.02

790

SAlNiCo14/8

1.76-2.00

5.5-6.1

0.94-1.11

1.00-1.16

7.1

-0.01

850

SAlNiCo18/10

2.00-2.39

5.7-6.2

1.16-1.26

1.24-1.34

7.2

-0.01

860

SAlNiCo29/6

3.64-4.15

9.7-12

0.73-0.80

0.75-0.83

7.2

-0.02

860

Anisotropic

SAlNiCo30/6

3.77-4.27

10-11

0.73-0.80

0.75-0.83

7.2

-0.02

860

SAlNiCo42/10

5.27-5.77

9.5-11

1.26-1.38

1.30-1.43

7.2

-0.01

860

SAlNiCo33/11

4.14-4.77

7-8

1.34-1.45

1.39-1.50

7.2

-0.01

860

SANiCo35/5

4.40-4.90

11-12

0.60-0.65

0.63-0.68

7.2

-0.02

850

SAlNiCo37/15

4.65-5.15

7.0-8.0

1.76-1.85

1.88-1.98

7.2

-0.01

870

SAlNiCo39/12

4.90-5.40

8.3-9.0

1.45-1.54

1.50-1.60

7.25

-0.01

860

SAlNiCo44/12

5.53-6.03

9-9.5

1.50-1.60

1.56-1.66

7.25

-0.01

860

SAlNiCo40/15

5.02-6.03

7.5-8.5

1.80-1.90

1.95-2.05

7.2

-0.01

870

SAlNiCo44/15

5.53-6.03

8.0-8.8

1.86-2.00

1.95-2.05

7.2

-0.01

870

Performance of Cast Alnico Magnets

Characteristics
Model

Max. Energy Product

Br
(Residual induction)

Hcb
(Coercive Force)

Hcj
(Intrinsic coercive
Force)

Density

Temp.Coeffienct of Br.

Curie point

Remarks


(MGOe)

(KGs)

(KOe)

(KOe)

g/cm³

%/K

°c

Isotropic

AlNiCo12/6

1.50

6.4

0.65

0.70

7.0

-0.03

810

AlNiCo13/6

1.63

7.5

0.65

0.70

7.0

-0.03

810

AlNiCo18/10

2.26

5.3

1.13

1.22

7.1

-0.01

860

AlNiCo20/11

2.51

6.0

1.26

1.36

7.3

-0.01

860

AlNiCo36/6

4.52

11.5

0.75

0.78

7.3

-0.02

850

Anisotropic

AlNiCo38/5

4.77

12.0

0.63

0.65

7.3

-0.02

850

AlNiCo40/5

5.03

12.5

0.62

0.63

7.3

-0.02

850

AlNiCo44/5

5.53

12.7

0.65

0.67

7.3

-0.02

850

AlNiCo52/6

6.53

13.0

0.71

0.72

7.3

-0.02

850

AlNiCo60/6

7.54

13.5

0.74

0.75

7.3

-0.02

860

AlNiCo38/11

4.77

8.5

1.38

1.41

7.3

-0.01

860

AlNiCo40/17

5.02

7.5

1.96

2.11

7.3

-0.01

870

AlNiCo46/12

5.78

9.3

1.51

1.56

7.3

-0.015

860

AlNiCo48/16

6.03

8.2

1.81

1.98

7.3

-0.01

870

AlNiCo72/12

9.04

10.5

1.43

1.46

7.3

-0.015

850

AlNiCo80/12

10.04

10.8

1.51

1.53

7.3

-0.015

850

Key Advantages

Sintered Alnico Magnets:

  • Excellent temperature stability
  • Strong corrosion resistance
  • The maximum working temperature is up to 500°c
  • Fine grain
  • Compact crystal.
  • Excellent magnetic consistence and evenness.
  • Suitable for small volume and complex shape magnets.

Cast Alnico Magnets:

  • Excellent temperature stability
  • Strong corrosion resistance
  • The maximum working temperature is up to 500°c
  • Excellent capacity
  • High density and magnetic properties
  • Shorter production lead time
  • Temperature factor of Br is the smallest among all the permanent magnets
  • Cast Alnico magnets can be produced in relatively complex shapes
  • Tooling for cast Alnico magnets is relatively low, since sand molds are generally used for the casting process.

Quick Leads

  • Density-7.34 g/cm3
  • Manufacturing process - casting (most common), or sintering.
  • Various shapes- blocks, bars, discs, rings, horseshoes, cylinders, etc.
  • Wide range of grades- from about 0105 to 0519. (First 2 digits represent BH.max, and second two digits represent Intrinsic Coercivity, Hci.)
  • Saturation magnetizing field required - about 5kOee.

Common Applications

Holding magnets Separators Sensors Security systems MRI Relays Magnetos

Quality AlNiCo magnet acoustic instrument pickups for sale
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