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Alnico Magnet
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Multi-poles Alnico Holding Magnet For High Temperature Operation Clamping

1. Material:Cast alnico magnet

2. Shape: Round shape

3. Dimensions: D25.4mm, D31.75mm, D38.1mm, D46.02mm, D50.8mm, D76.2mm

4. Pull Force: 7.3 KG, 10.8 KG, 17.7 KG, 23.1 KG, 31.5 KG, 50 KG

5. Grade: Alnico 5

Download the magnetic properties of alnico magnet

6. Coating: Without treatment, Polishing process or Painting

7. Magnetized: Multi-poles Magnetized, 4, 6, or 8 poles

8. Max Working Temp.: 525 ℃
9. Tolerance: +/-0.1 mm

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  • Product Detail
  • Technical Specifications

Specifications of Alnico Holding Magnet

        The alnico holding magnets are mainly used in mechanical equipments and other industrial applicatoins, specifically designed for holding tasks in high-temperature working environments.The material is alnico 5 and the max working temperature up to 525 ℃. Its alternating North pole and South pole disturbution is conductive to maximizing its magnetic force. With different standard sizes, the pull force can range from 7.3 KG to 50 KG.


Model A (mm) B(mm) C(mm) D(mm) E(mm) Poles Pull Force(KG)
LUR001 25.4 19.01 6.35 12.7 6.4 4 7.3
LUR002 31.75 19.05 8 15.87 6.35 6 10.8
LUR003 38.1 22.1 7.92 19.01 10 6 17.7
LUR004 46.02 31.75 9.52 19.05 8 6 23.1
LUR005 50.8 31.75 9.52 25.4 12.7 8 31.5
LUR006 76.2 50.8 15.2 38.1 20 8 50


Similar type of Alnico Holding Magnet.





Alnico Button Magnet
 Alnico Deep Pot Magnet
 Alnico Shallow Pot Magnet Alnico Horseshoe Magnet

Click on this link to view the introduction of the Alnico Magnet


Magnetic Properties Of Cast Alnico Magnet
Grade MMPA
Equivalent
Class 		 Remanence
(Br) 		Coercive Force (Hcb) Maximum Energy Products
(BH)max 		Curie Temp.
Tc. 		Max
Working Temp.
Tw. 		Reversible Temp. Coefficient
a(Br)
T kGs KA/m kOe Kj/m³ MGO [°C] [°C] [%°C]
Isotropic *LN9 Alnico3 0.69 6.9 37 0.47 9 1.13 810 450 -0.03
*LN10 0.6 6 40 0.5 10 1.25 -0.03
*LNG12 Alnico2 0.72 7.2 44 0.55 12 1.5 -0.03
*LNG13 0.7 7 48 0.6 13 1.63 -0.03
*LNGT18 Alnico7 0.58 5.8 90 1.13 18 2.2 860 550 -0.03
Anisotropic LNG37 Alnico5 1.2 12 48 0.6 37 4.65 850 525 -0.02
LNG40 1.25 12.5 48 0.6 40 5 -0.02
LNG44 1.25 12.5 52 0.65 44 5.5 -0.02
LNG48 Alnico5DG 1.25 12.5 52 0.65 48 6 -0.02
LNG52 1.3 13 56 0.7 52 6.5 -0.02
LNG60 Alnico5～7 1.35 13.5 56 0.7 60 7.5 -0.02
LNGT28 Alnico6 1.05 10.5 56 0.7 28 3.5 -0.02
LNGT32 Alnico8 0.8 8 100 1.25 32 4.25 860 550 -0.03
LNGT38 0.82 8.2 110 1.38 38 4.75 -0.03
LNGT44 0.88 8.8 120 1.5 44 5.5 -0.03
LNGT48 0.9 9 120 1.5 48 6 -0.03
LNGT36J Alnico8HC 1.1 11 120 1.5 88 11 -0.03
LNGT60 Alnico9 0.9 9 110 1.38 60 7.5 -0.03
LNGT72 1.05 10.5 112 1.41 72 9 -0.03
LNGT88 1.1 11 120 1.5 88 11 -0.03
LNGT92 1.1 11 120 1.5 82 10.25 -0.03

Magnetic Properties Of Sintered Alnico Magnet

Grade 		MMPA
Equivalent
Class 		 Remanence
(Br) 		Coercive Force (Hcb) Maximum Energy Products
(BH)max 		Curie Temp.
Tc. 		Max Working Temp.
Tw. 		Reversible Temp. Coefficient
a(Br)
T kGs KA/m kOe Kj/m³ MGO [°C] [°C] [%°C]
Isotropic *FLN10 S-Alnico3 0.65 6.5 52 0.65 10 1.25 750 450 -0.03
*FLNG12 S-Alnico2 0.72 7.2 52 0.65 12 1.5 -0.03
*LNGT18 S-Alnico7 0.6 6 92 1.15 18 2.25 860 550 -0.03
Anisotropic FLNG35 S-Alnico5 1.15 11.5 52 0.65 35 4.4 850 510 -0.02
FLNGT28 S-Alnico6 1.05 10.5 60 0.75 28 3.5 860 550 -0.02
FLNGT40 S-Alnico8 0.88 8.8 120 1.5 40 5 -0.02
FLNGT42 1 10 105 1.3 42 5.25 -0.02
FLNGT44 0.92 9.2 120 1.5 44 5.5 -0.02
FLNGT48 0.95 9.5 128 1.6 49.5 6.2 -0.02
FLNGT36J S-Alnico8HC 0.75 7.5 140 1.75 36 4.5 -0.02

Mechanical Physical Properties Of Cast Alnico Magnet
Curie Temperature 760-890℃
Max. Operating Temperature 450-550℃
Resistivity 47-54μOhm.cm
Vickers Hardness 520-630Hv
Density 6.9-7.3g/cm³
Relative Recoil Permeability 1.7-4.7μrec
Saturation Field Strength 2.7-6.3kOe/215-500kA/m
Temperature Coefficient of Remanence (Br) -0.025~-0.02%/℃
Temperature Coefficient of Remanence (Hcj) +0.01~0.03%/℃ 

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