Super Strong Neodymium Magnets

  • Description
Product Detail

DESCRIPTION

The main raw materials of NdFeB permanent magnet are rare earth metal neodymium (Nd) 32%, metal element iron (Fe) 64% and nonmetallic element boron (B) 1% (small addition of dysprosium (Dy), terbium (Tb), cobalt (Co), niobium (Nb), gallium (Ga), aluminum (Al), copper (Cu) and other elements). NdFeB ternary system permanent magnet material is Nd2Fe14B compound as a matrix, its composition should be similar to the compound Nd2Fe14B molecular formula. But completely according to Nd2Fe14B composition ratio, the magnetic properties of the magnet is very low, even non-magnetic. Only the actual magnet which neodymium and boron content than Nd2Fe14B compounds neodymium and boron content in order to get better permanent magnet performance.


COATING

coating

Picture

code

color

Minimum
local    
thickness

memrge    etching time

working temperature

neutralsalt
spray test

humid heat test

pressure
vessel test

Ni(Barrel plating)

Ni

sliver

10

24

300

48

<200

Ni(rack plating)

Ni

sliver

10

8

300

48

NiCuNi(barrel    plating)

NiCuNi

sliver

10

72

500

48

NiCuNi(rack plating)

NiCuNi

sliver

10

48

500

48

Zinc

white zinc

Zn

white Zinc

4

24

48

/

<170

color zinc

CZn/Zn

color Zinc

6

48

48

/

chemical plating Ni

Ni

silver

12

96

500

48

<200

electrophoresis    epoxy

Epoxy

black?grey

10

48-96

120

0-24

<130

Parylene

Parylene

Colorless    and transparent

12.7-25.4 microns
meet the MIL-I-46058C standard

48

/

/

<130

MAGNETIC PERFORMANCE TABLE

Item

Grade

Residual   Induction
Br

Coercive Force
Hcb

Intrinsic Coercive   Force
Hcj

Max. Energy Product
(BH) max. 

Tw
L/D=0.7

N

N35

1.17-1.24T

=860kA/m

=955kA/m

263-295kJ/m3

=80?

11.7-12.4kGs

=10.8kOe

=12kOe

33-37MGOe

N38

1.22-1.30T

=860kA/m

=955kA/m

287-318kJ/m3

=80?

12.2-13.0kGs

=10.8kOe

=12kOe

36-40MGOe

N40

1.26-1.32T

=860kA/m

=955kA/m

302-334kJ/m3

=80?

12.6-13.2kGs

=10.8kOe

=12kOe

38-42MGOe

N42

1.29-1.35T

=860kA/m

=955kA/m

318-350kJ/m3

=80?

12.9-13.5kGs

=10.8kOe

=12kOe

40-44MGOe

N45

1.32-1.38T

=860kA/m

=955kA/m

334-366kJ/m3

=80?

13.2-13.8kGs

=10.8kOe

=12kOe

42-46MGOe

N48

1.37-1.43T

=836kA/m

=876kA/m

358-390kJ/m3

=80?

13.7-14.3kGs

=10.5kOe

=11kOe

45-49MGOe

N50

1.40-1.45T

=836kA/m

=876kA/m

374-406kJ/m3

=80?

14.0-14.5kGs

=10.5kOe

=11kOe

47-51MGOe

N52

1.42-1.48T

=836kA/m

=876kA/m

390-422kJ/m3

=80?

14.2-14.8kGs

=10.5kOe

=11kOe

49-53MGOe

N54

1.45-1.51T

=836kA/m

=876kA/m

398-438kJ/m3

=80?

14.5-15.1kGs

=10.5kOe

=11kOe

50-55MGOe

M

N35M

1.17-1.24T

=860kA/m

=1114kA/m

263-295kJ/m3

=100?

11.7-12.4kGs

=10.8kOe

=14kOe

33-37MGOe

N38M

1.22-1.30T

=915kA/m

=1114kA/m

287-318kJ/m3

=100?

12.2-13.0kGs

=11.5kOe

=14kOe

36-40MGOe

N40M

1.26-1.32T

=939kA/m

=1114kA/m

302-334kJ/m3

=100?

12.6-13.2kGs

=11.8kOe

=14kOe

38-42MGOe

N42M

1.29-1.35T

=955kA/m

=1114kA/m

318-350kJ/m3

=100?

12.9-13.5kGs

=12.0kOe

=14kOe

40-44MGOe

N45M

1.32-1.38T

=987kA/m

=1114kA/m

334-366kJ/m3

=100?

13.2-13.8kGs

=12.4kOe

=14kOe

42-46MGOe

N48M

1.37-1.43T

=1019kA/m

=1114kA/m

358-390kJ/m3

=100?

13.7-14.3kGs

=12.8kOe

=14kOe

45-49MGOe

N50M

1.40-1.45T

=1043kA/m

=1114kA/m

374-406kJ/m3

=100?

14.0-14.5kGs

=13.1kOe

=14kOe

47-51MGOe

N52M

1.42-1.48T

=1059kA/m

=1114kA/m

390-422kJ/m3

=100?

14.2-14.8kGs

=13.3kOe

=14kOe

49-53MGOe

H

N35H

1.17-1.24T

=876kA/m

=1350kA/m

263-295kJ/m3

=120?

11.7-12.4kGs

=11kOe

=17kOe

33-37MGOe

N38H

1.22-1.30T

=915kA/m

=1350kA/m

287-318kJ/m3

=120?

12.2-13.0kGs

=11.5kOe

=17kOe

36-40MGOe

N40H

1.26-1.32T

=939kA/m

=1350kA/m

302-334kJ/m3

=120?

12.6-13.2kGs

=11.8kOe

=17kOe

38-42MGOe

N42H

1.29-1.35T

=963kA/m

=1350kA/m

318-350kJ/m3

=120?

12.9-13.5kGs

=12.1kOe

=17kOe

40-44MGOe

N45H

1.31-1.37T

=979kA/m

=1350kA/m

335-366kJ/m3

=120?

13.1-13.7kGs

=12.3kOe

=17kOe

42-46MGOe

N48H

1.37-1.43T

=1011kA/m

=1274kA/m

358-390kJ/m3

=120?

13.7-14.3kGs

=12.7kOe

=16kOe

45-49MGOe

N50H

1.40-1.45T

=1027kA/m

=1274kA/m

374-406kJ/m3

=120?

14.0-14.5kGs

=12.9kOe

=16kOe

47-51MGOe

SH

N33SH

1.14-1.21T

=852kA/m

=1592kA/m

247-279kJ/m3

=150?

11.4-12.1kGs

=10.7kOe

=20kOe

31-35MGOe

N35SH

1.17-1.24T

=876kA/m

=1592kA/m

263-295kJ/m3

=150?

11.7-12.4kGs

=11kOe

=20kOe

33-37MGOe

N38SH

1.22-1.29T

=915kA/m

=1592kA/m

287-318kJ/m3

=150?

12.2-12.9kGs

=11.5kOe

=20kOe

36-40MGOe

N40SH

1.26-1.32T

=939kA/m

=1592kA/m

302-334kJ/m3

=150?

12.6-13.2kGs

=11.8kOe

=20kOe

38-42MGOe

N42SH

1.29-1.35T

=963kA/m

=1592kA/m

318-350kJ/m3

=150?

12.9-13.5kGs

=12.1kOe

=20kOe

40-44MGOe

N45SH

1.32-1.38T

=994kA/m

=1592kA/m

335-366kJ/m3

=150?

13.2-13.8kGs

=12.5kOe

=20kOe

42-46MGOe

UH

N30UH

1.08-1.16T

=812kA/m

=1990kA/m

223-255kJ/m3

=180?

10.8-11.6kGs

=10.2kOe

=25kOe

28-32MGOe

N33UH

1.14-1.21T

=852kA/m

=1990kA/m

247-279kJ/m3

=180?

11.4-12.1kGs

=10.7kOe

=25kOe

31-35MGOeMGOe

N35UH

1.17-1.24T

=876kA/m

=1990kA/m

263-295kJ/m3

=180?

11.7-12.4kGs

=11kOe

=25kOe

33-37MGOe

N38UH

1.22-1.29T

=915kA/m

=1990kA/m

287-318kJ/m3

=180?

12.2-12.9kGs

=11.5kOe

=25kOe

36-40MGOe

N40UH

1.26-1.32T

=939kA/m

=1990kA/m

302-334kJ/m3

=180?

12.6-13.2kGs

=11.8kOe

=25kOe

38-42MGOe

N42UH

1.29-1.35T

=963kA/m

=1990kA/m

318-350kJ/m3

=180?

12.9-13.5kGs

=12.1kOe

=25kOe

40-44MGOe

EH

N30EH

1.08-1.15T

=812kA/m

=2388kA/m

223-255kJ/m3

=200?

10.8-11.5kGs

=10.2kOe

=30kOe

28-32MGOe

N33EH

1.14-1.21T

=851kA/m

=2388kA/m

247-279kJ/m3

=200?

11.4-12.1kGs

=10.7kOe

=30kOe

31-35MGOe

N35EH

1.17-1.24T

=876kA/m

=2388kA/m

263-295kJ/m3

=200?

11.7-12.4kGs

=11kOe

=30kOe

33-37MGOe

N38EH

1.22-1.29T

=915kA/m

=2388kA/m

287-318kJ/m3

=200?

12.2-12.9kGs

=11.5kOe

=30kOe

36-40MGOe

AH

N28AH

1.04-1.12T

=772kA/m

=2786kA/m

207-239kJ/m3

=230?

10.4-11.2kGs

=9.70kOe

=35kOe

26-30MGOe

N30AH

1.08-1.15T

=812kA/m

=2786kA/m

223-255kJ/m3

=230?

10.8-11.5kGs

=10.2kOe

=35kOe

28-32MGOe

N33AH

1.14-1.21T

=852kA/m

=2786kA/m

247-279kJ/m3

=230?

11.4-12.1kGs

=10.7kOe

=35kOe

31-35MGOe

SIZE

size

Outer Diameter/Length

Inner diameter/Width

Thickness

Maximum

150mm

50.00mm

Minimum

1mm

0.50mm

Maximum

100mm

100mm

50.00mm

Minimum

0.5mm

0.50mm

0.50mm

Maximum

150mm

140mm

50.00mm

Minimum

1.00mm

0.60mm

0.50mm

Segment, Arc and other irregular shapes can be    made according to customer's samples or drawing.

MAGNETIZATION DIRECTION

Axial

Diametrical

Axial

Diametrical

Thickness

Length

Axial

Diametrical

Diametrical

Diametrical

Width

Thickness

THE FLOW CHART FOR THE PRODUCTION OF SINTERED NDFEB MAGNETS


SMELTING DETAILS

SINTERING PROCESS

ELECTROPLATING PROCESS

PRODUCT ADVANTAGE


QUALITY

APPLICATIONS

Used in electronic, electrical machinery, medical equipment, toys, packaging, metal machinery, aerospace and other fields, the more common permanent magnet motor, speaker, magnetic separator, computer disk drive, household appliances, digital cameras, mobile phones, stationery, handicrafts, magnetic resonance imaging equipment, etc.


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