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N45 N52 Permanent Sintered Ndfeb Magnet , NdFeB Rare Earth Magnet

Categories Sintered Ndfeb Magnet
Place of Origin: China
Brand Name: ZJMAG
Certification: ISO9001
MOQ: 1000
Packaging Details: Cartons
Delivery Time: 15-60days
Payment Terms: T/T L/C
Supply Ability: 1500 tons
shapes: Pot magnet
Type: permanent magnet
Material: Neodymium Iron Boron Magnets
Process: sintering , injection molding, and compression bonding
Application: Printers / MRI/NMR / Beam controls / DC and servo motors
Density: 7.4-7.6 g/ cm3
Price: $0.01
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    N45 N52 Permanent Sintered Ndfeb Magnet , NdFeB Rare Earth Magnet

    N45 N52 Permanent Sintered Ndfeb Magnet , NdFeB Rare Earth Magnet


    Quick Detail:


    1.Density – 7.4-7.6 g/ cm3

    2.Manufacturing process –sintering (most common), injection molding, and compression bonding.

    3.Various shapes - blocks, bars, discs, rings, arc, segments, sectors, fan shape, cylinders, etc.

    4.Prone to oxidation, plating is recommended ( Ni-CU-Ni, Zn,Au,Epoxy, etc)


    Neodymium Magnets (Neodymium Iron Boron Magnets), also known as NdFeB or Neo magnets, are the most widely-used type of rare earth magnet. It is the strongest type of permanent magnet made from an alloy of Neodymium, Iron, and Boron with the Nd2Fe14B tetragonal crystalline structure. It has replaced other types of magnets in many applications in modern products that require strong permanent magnets, such as motors in cordless tools, hard disk drives, and magnetic fasteners.


    Physical Properties of NdFeB Magnet

    Density(g/cm3)

    7.3-7.5

    Curie Temperature (℃)

    320

    Max. Operating Temperature (℃)

    220

    Relative Permeability

    1.05

    Flexural Strength (N/nm2)

    250

    Compressive Strength (N/nm2)

    1100

    Tensile Strength (N/nm2)

    75

    Hardness (Hv)

    550-650

    Temperature Coefficient of Br (%/℃)

    -0.09~-0.12

    Temperature Coefficient of Hcj (%/℃)

    -0.50~-0.65


    Applications:


    Sensors and switches

    Linear actuators

    Microphone assemblies

    Magnetic separators

    DC and servo motors

    Speaker Parts

    Printers

    Magnetic hooks

    Computer rigid disc drives

    Beam controls

    Intelligent toys

    MRI/NMR


    Performance of Sintered Neodymium Magnets


    Grade

    Residual Induction

    Coercive Force

    Intrinsic Coercive Force

    Maximum Energy Product

    Maximum Operating

    (Br)

    (Hc)

    (Hci)

    (Bhmax)

    Temp.

    (G)

    (mT)

    (Oe)

    (kA/m)

    (kOe) min

    (kA/m) min

    (MGOe)

    (KJ/m3)

    (°C)

    N35

    11700

    1170

    10900

    868

    12

    955

    35

    279

    80

    N38

    12200

    1220

    11300

    899

    12

    955

    38

    303

    80

    N40

    12500

    1250

    11400

    907

    12

    955

    40

    319

    80

    N42

    12800

    1280

    11500

    915

    12

    955

    42

    335

    80

    N45

    13200

    1320

    11600

    923

    12

    955

    45

    359

    80

    N48

    13800

    1380

    11600

    923

    12

    955

    48

    382

    80

    N50

    14000

    1400

    10000

    796

    11

    876

    50

    398

    60

    N52

    14300

    1430

    10000

    796

    11

    876

    52

    414

    60

    33M

    11300

    1130

    10500

    836

    14

    1114

    33

    263

    100

    35M

    11700

    1170

    10900

    868

    14

    1114

    35

    279

    100

    38M

    12200

    1220

    11300

    899

    14

    1114

    38

    303

    100

    40M

    12500

    1250

    11600

    923

    14

    1114

    40

    319

    100

    42M

    12800

    1280

    12000

    955

    14

    1114

    42

    335

    100

    45M

    13200

    1320

    12500

    995

    14

    1114

    45

    359

    100

    48M

    13600

    1360

    12900

    1027

    14

    1114

    48

    382

    100

    50M

    14000

    1400

    13000

    1033

    14

    1114

    50

    398

    100

    35H

    11700

    1170

    10900

    868

    17

    1353

    35

    279

    120

    38H

    12200

    1220

    11300

    899

    17

    1353

    38

    303

    120

    40H

    12500

    1250

    11600

    923

    17

    1353

    40

    319

    120

    42H

    12800

    1280

    12000

    955

    17

    1353

    42

    335

    120

    45H

    13200

    1320

    12100

    963

    17

    1353

    45

    359

    120

    48H

    13700

    1370

    12500

    995

    17

    1353

    48

    382

    120

    35SH

    11700

    1170

    11000

    876

    20

    1592

    35

    279

    150

    38SH

    12200

    1220

    11400

    907

    20

    1592

    38

    303

    150

    40SH

    12500

    1250

    11800

    939

    20

    1592

    40

    319

    150

    42SH

    12800

    1280

    12400

    987

    20

    1592

    42

    335

    150

    45SH

    13200

    1320

    12600

    1003

    20

    1592

    45

    359

    150

    28UH

    10200

    1020

    9600

    764

    25

    1990

    28

    223

    180

    30UH

    10800

    1080

    10200

    812

    25

    1990

    30

    239

    180

    33UH

    11300

    1130

    10700

    852

    25

    1990

    33

    263

    180

    35UH

    11800

    1180

    10800

    860

    25

    1990

    35

    279

    180

    38UH

    12200

    1220

    11000

    876

    25

    1990

    38

    303

    180

    40UH

    12500

    1250

    11300

    899

    25

    1990

    40

    319

    180

    42UH

    12800

    1280

    11300

    899

    25

    1990

    Quality N45 N52 Permanent Sintered Ndfeb Magnet , NdFeB Rare Earth Magnet for sale
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