| Products: Permanent
Magnets >> Sintered Neodymium
Magnet |
|
We are
professional Neodymium Magnet manufacturer and exporter in
China. We can produce Neodymium
Magnet (NdFeB magnet) according to your requirements. More
types of Neodymium Magnet (NdFeB
magnet), Sintered Neodymium
Magnet (NdFeB magnet) wanted, please contact us
right
now.
General Introduction
Sintered
Neodymium Magnet is one
of the high performance rare earth permanent magnets, which use
neodymium (Nd), iron (Fe), and boron (B) as their main
ingredients and is susceptible to demagnetization when exposed to
elevated temperatures. Neodymium magnet is a new kind of magnetic
material developed with excellent magnetic characteristics. These
magnets are extremely strong for their small size, metallic in
appearance and found in simple shapes such as rings, blocks and
discs. There are many grades which can stand high temperatures, but
several factors will dictate the performance of the Neodymium
magnet.
Neodymium
Magnet can be
used in sensors, motors, filter automobiles, magnetic holders,
loudspeakers, wind generators, medical equipments
etc.
Neodymium Magnets have the
characteristics of :
-
Super strong Br Resident induction. Excellent
demagnetization resistance capability.
Good Price relative
to its high magnetic properties.
Coating is needed for
Neodymium Magnet
-
Surface
Treatment Method: Type Information
Metallic Zinc, Nickel, Nickel + Nickel, Copper + Nickel,
Nickel + Copper + Nickel,
Gold, Organic Epoxy, Nickel + Epoxy coating
Temporary Surface: Passivation
Dimension Available
Sintered Neodymium Magnet (NdFeB
magnet)s production process >>
|
|
What
shapes can it be
formed? |
Neodymium Magnet
|
 |
 |
| Neodymium Magnet (NdFeB magnet) for motor, generator,
driver in various specification |
Tile-shaped and special-shaped Neodymium Magnet (NdFeB
magnet) |
 |
 |
| Neodymium Magnet
Blocks in
various specification |
Neodymium Magnet
products
painted with epoxy resin |
 |
 |
| Neodymium Magnet
Rings in
various specification |
Neodymium Magnet
Cylinders
in various specification |
 |
 |
| Special Shape of Neodymium
Magnet |
Rubber Coated Neodymium
Magnet |
 |
 |
| Special Shape of Neodymium
Magnet |
QQMAG: Magnetic Amazing Sphere |
|
Magnetic properties of Sintered
Neodymium Magnet (NdFeB magnet):
|
|
Grade
|
Remanence |
Coercive
Force |
Intrinsic
Coercive Force |
Max. energy
product |
Max.
Operating
Temperature |
|
Br
mT
(kGs)
|
Hcb
kA/m
(kOe)
|
Hcj
kA/m
(kOe)
|
（ BH ）max
kJ/m3
(MGOe)
|
Tw
|
|
N35
|
1170-1220
(11.7-12.2)
|
≥ 868
( ≥ 10.9)
|
≥ 955
( ≥ 12)
|
263-287
(33-36)
|
80 ℃
|
|
N38
|
1220-1250
(12.2-12.5)
|
≥ 899
( ≥ 11.3)
|
≥ 955
( ≥ 12)
|
287-310
(36-39)
|
80 ℃
|
|
N40
|
1250-1280
(12.5-12.8)
|
≥ 907
( ≥ 11.4)
|
≥ 955
( ≥ 12)
|
302-326
(38-41)
|
80 ℃
|
|
N42
|
1280-1320
(12.8-13.2)
|
≥ 915
( ≥ 11.5)
|
≥ 955
( ≥ 12)
|
318-342
(40-43)
|
80 ℃
|
|
N45
|
1320-1380
(13.2-13.8)
|
≥ 923
( ≥ 11.6)
|
≥ 955
( ≥ 12)
|
342-366
(43-46)
|
80 ℃
|
|
N48
|
1380-1420
(13.8-14.2)
|
≥ 923
( ≥ 11.6)
|
≥ 876
( ≥ 12)
|
366-390
(46-49)
|
80 ℃
|
|
N50
|
1400-1450
(14.0-14.5)
|
≥ 796
( ≥ 10.0)
|
≥ 876
( ≥ 11)
|
382-406
(48-51)
|
60 ℃
|
|
N52
|
1430-1480
(14.3-14.8)
|
≥ 796
( ≥ 10.0)
|
≥ 876
( ≥ 11)
|
398-422
(50-53)
|
60 ℃
|
|
30M
|
1080-1130
(10.8-11.3)
|
≥ 796
( ≥ 10.0)
|
≥ 1114
( ≥ 14)
|
223-247
(28-31)
|
100 ℃
|
|
33M
|
1130-1170
(11.3-11.7)
|
≥ 836
( ≥ 10.5)
|
≥ 1114
( ≥ 14)
|
247-263
(31-33)
|
100 ℃
|
|
35M
|
1170-1220
(11.7-12.2)
|
≥ 868
( ≥ 10.9)
|
≥ 1114
( ≥ 14)
|
263-287
(33-36)
|
100 ℃
|
|
38M
|
1220-1250
(12.2-12.5)
|
≥ 899
( ≥ 11.3)
|
≥ 1114
( ≥ 14)
|
287-310
(36-39)
|
100 ℃
|
|
40M
|
1250-1280
(12.5-12.8)
|
≥ 923
( ≥ 11.6)
|
≥ 1114
( ≥ 14)
|
302-326
(38-41)
|
100 ℃
|
|
42M
|
1280-1320
(12.8-13.2)
|
≥ 955
( ≥ 12.0)
|
≥ 1114
( ≥ 14)
|
318-342
(40-43)
|
100 ℃
|
|
45M
|
1320-1380
(13.2-13.8)
|
≥ 995
( ≥ 12.5)
|
≥ 1114
( ≥ 14)
|
342-366
(43-46)
|
100 ℃
|
|
48M
|
1360-1430
(13.6-14.3)
|
≥ 1027
( ≥ 12.9)
|
≥ 1114
( ≥ 14)
|
366-390
(46-49)
|
100 ℃
|
|
50M
|
1400-1450
(14.0-14.5)
|
≥ 1033
( ≥ 13.0)
|
≥ 1114
( ≥ 14)
|
382-406
(48-51)
|
100 ℃
|
|
30H
|
1080-1130
(10.8-11.3)
|
≥ 796
( ≥ 10.0)
|
≥ 1353
( ≥ 17)
|
223-247
(28-31)
|
120 ℃
|
|
33H
|
1130-1170
(11.3-11.7)
|
≥ 836
( ≥ 10.5)
|
≥ 1353
( ≥ 17)
|
247-271
(31-34)
|
120 ℃
|
|
35H
|
1170-1220
(11.7-12.2)
|
≥ 868
( ≥ 10.9)
|
≥ 1353
( ≥ 17)
|
263-287
(33-36)
|
120 ℃
|
|
38H
|
1220-1250
(12.2-12.5)
|
≥ 899
( ≥ 11.3)
|
≥ 1353
( ≥ 17)
|
287-310
(36-39)
|
120 ℃
|
|
40H
|
1250-1280
(12.5-12.8)
|
≥ 923
( ≥ 11.6)
|
≥ 1353
( ≥ 17)
|
302-326
(38-41)
|
120 ℃
|
|
42H
|
1280-1320
(12.8-13.2)
|
≥ 955
( ≥ 12.0)
|
≥ 1353
( ≥ 17)
|
318-342
(40-43)
|
120 ℃
|
|
45H
|
1300-1360
(13-13.6)
|
≥ 963
( ≥ 12.1)
|
≥ 1353
( ≥ 17)
|
326-358
(43-46)
|
120 ℃
|
|
48H
|
1370-1430
(13.7-14.3)
|
≥ 995
( ≥ 12.5)
|
≥ 1353
( ≥ 17)
|
366-390
(46-49)
|
120 ℃
|
|
30SH
|
1080-1130
(10.8-11.3)
|
≥ 804
( ≥ 10.1)
|
≥ 1592
( ≥ 20)
|
223-247
(28-31)
|
150 ℃
|
|
33SH
|
1130-1170
(11.3-11.7)
|
≥ 844
( ≥ 10.6)
|
≥ 1592
( ≥ 20)
|
247-271
(31-34)
|
150 ℃
|
|
35SH
|
1170-1220
(11.7-12.2)
|
≥ 876
( ≥ 11.0)
|
≥ 1592
( ≥ 20)
|
263-287
(33-36)
|
150 ℃
|
|
38SH
|
1220-1250
(12.2-12.5)
|
≥ 907
( ≥ 11.4)
|
≥ 1592
( ≥ 20)
|
287-310
(36-39)
|
150 ℃
|
|
40SH
|
1240-1280
(12.5-12.8)
|
≥ 939
( ≥ 11.8)
|
≥ 1592
( ≥ 20)
|
302-326
(38-41)
|
150 ℃
|
|
42SH
|
1280-1320
(12.8-13.2)
|
≥ 987
( ≥ 12.4)
|
≥ 1592
( ≥ 20)
|
318-342
(40-43)
|
150 ℃
|
| 45SH |
1320-1380
(13.2-13.8)
|
≥ 1003
( ≥ 12.6)
|
≥ 1592
( ≥ 20)
|
342-366
(43-46)
|
150 ℃
|
|
28UH
|
1020-1080
(10.2-10.8)
|
≥ 764
( ≥ 9.6)
|
≥ 1990
( ≥ 25)
|
207-231
(26-29)
|
180 ℃
|
|
30UH
|
1080-1130
(10.8-11.3)
|
≥ 812
( ≥ 10.2)
|
≥ 1990
( ≥ 25)
|
223-247
(28-31)
|
180 ℃
|
|
33UH
|
1130-1170
(11.3-11.7)
|
≥ 852
( ≥ 10.7)
|
≥ 1990
( ≥ 25)
|
247-271
(31-34)
|
180 ℃
|
|
35UH
|
1180-1220
(11.8-12.2)
|
≥ 860
( ≥ 10.8)
|
≥ 1990
( ≥ 25)
|
263-287
(33-36)
|
180 ℃
|
|
38UH
|
1220-1250
(12.2-12.5)
|
≥ 876
( ≥ 11.0)
|
≥ 1990
( ≥ 25)
|
287-310
(36-39)
|
180 ℃
|
|
40UH
|
1240-1280
(12.5-12.8)
|
≥ 899
( ≥ 11.3)
|
≥ 1990
( ≥ 25)
|
302-326
(38-41)
|
180 ℃
|
|
28EH
|
1040-1090
(10.4-10.9)
|
≥ 780
( ≥ 9.8)
|
≥ 2388
( ≥ 30)
|
207-231
(26-29)
|
200 ℃
|
|
30EH
|
1080-1130
(10.8-11.3)
|
≥ 812
( ≥ 10.2)
|
≥ 2388
( ≥ 30)
|
223-247
(28-31)
|
200 ℃
|
|
33EH
|
1130-1170
(11.3-11.7)
|
≥ 836
( ≥ 10.5)
|
≥ 2388
( ≥ 30)
|
247-271
(31-34)
|
200 ℃
|
|
35EH
|
1170-1220
(11.7-12.2)
|
≥ 876
( ≥ 11.0)
|
≥ 2388
( ≥ 30)
|
263-287
(33-36)
|
200 ℃
|
|
38EH
|
1220-1250
(12.2-12.5)
|
≥ 899
( ≥ 11.3)
|
≥ 2388
( ≥ 30)
|
287-310
(36-39)
|
200 ℃
|
|
30AH
|
1080-1120
(10.8-11.2)
|
≥ 812
( ≥ 10.2)
|
≥ 2785
( ≥ 35)
|
223-255
(28-32)
|
220 ℃
|
|
33AH
|
1120-1170
(11.2-11.7)
|
≥ 812
( ≥ 10.2)
|
≥ 2785
( ≥ 35)
|
247-271
(31-34)
|
220 ℃
|
|
|
Physical and Mechanical Properties of
Neodymium Magnet:
|
|
Thermal
Conductivity
|
7.7 kcal/m-h-°C
|
|
Young’s Modulus
|
1.7 x 104
kg/mm2
|
|
Bending
Strength
|
24
kg/mm2
|
|
Compressive
Strength
|
80
kg/mm2
|
|
Electrical
Resistivity
|
160
µ-ohm-cm/cm2
|
|
Density
|
7.4-7.55
g/cm3
|
|
Vickers
Hardness
|
500 - 600
|
|
|
|
Available coatings for sintered Neodymium
Magnet (NdFeB magnet):
|
|
Available
Coatings:
|
|
Surface
|
Coating
|
Thickness
(Microns)
|
Color
|
Resistance
|
|
Passivation
|
|
1
|
Silver Grey
|
Temporary
Protection
|
|
Nickel
|
Ni+Ni
|
10-20
|
Bright Silver
|
Excellent against
Humidity
|
|
Ni+Cu+Ni
|
|
Zinc
|
Zn
|
8-20
|
Bright Blue
|
Good Against Salt
Spray
|
|
C-Zn
|
Shinny Color
|
Excellent Against Salt
Spray
|
|
Tin
|
Ni+Cu+Sn
|
15-20
|
Silver
|
Superior Against
Humidity
|
|
Gold
|
Ni+Cu+Au
|
10-20
|
Gold
|
Superior Against
Humidity
|
|
Copper
|
Ni+Cu
|
10-20
|
Gold
|
Temporary
Protection
|
|
Epoxy
|
Epoxy
|
15-25
|
Black, Red,
Grey
|
Excellent Against
Humidity
& Salt Spray
|
|
Ni+Cu+Epoxy
|
|
Zn+Epoxy
|
|
Chemical
|
Ni
|
10-20
|
Silver Grey
|
Excellent Against
Humidity
|
|
Parylene
|
Parylene
|
5-20
|
Grey
|
Excellent Against
Humidity, Salt Spray. Superior Against Solvents, Gases, Fungi and
Bacteria.
FDA Approved.
|
|
| |
