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NdFeB Magnet

The NdFeB magnet is a magnet of a kind, NdFeB magnet and fridge magnet Compare than, the NdFeB magnet have what fridge the magnet has no a characteristics, therefore it is good that NdFeB magnet is a magnet inside


NdFeB Magnet NdFeB Magnet Characteristics

GRADE
Remanence
     Normal
Coercivity
     Intrinsic Coercivity
Maxinum Energy
Product
¡¡
Br
Hcb
Hcj
BHmax
T
G
kA/m
kOe
kj/m3
MGOe
N27
1.02-1.06
10200-10600
740-796
9.3-10.0
S¡¢U¡¢E¡¢Z
199-215
25-27
N28
1.06-1.11
10600-11000
796-835
10.0-10.5
U¡¢E¡¢Z
215-239
27-30
N30
1.08-1.15
10800-11500
755-850
9.5-10.7
(N)¡¢M¡¢H¡¢S
220-245
28-31
N33
1.13-1.17
11300-11700
795-915
10.0-11.5
(N)¡¢M¡¢H¡¢S¡¢U
245-260
31-33
N35
1.19-1.22
11900-12200
860-915
10.8-11.5
(N)¡¢M¡¢H¡¢S
271-287
34-36
N38
1.24-1.27
12400-12700
875-987
11.0-12.4
(N)¡¢H¡¢S
295-310
37-39
N40
1.28-1.32
12800-13200
947-1020
11.9-12.8
(N)¡¢H
310-326
39-41
N42
1.3-1.34
13000-13400
947-1036
11.9-13.0
(N)¡¢M¡¢H
326-342
41-43
N45
1.33-1.38
13300-13800
836-1011
10.5-12.7
(N)
344-376
43-47
N48
1.38-1.44
13800-14400
820-1035
10.5-13.0
(N)¡¢M
376-408
47-49
N50
1.41-1.47
14100-14700
820-1035
10.5-13.0
(N)
408-434
49-52
£¨N£©
M
H
S
U
E
Z
Hcj
kA/m
955
1114
1353
1595
1990
2153
2392
kOe
12
14
17
20
25
27
30
Hcb
kA/m
755-1011
780-987
740-1036
740-987
796-915
836-915
795-835
kOe
9.5-12.7
9.8-12.2
9.3-13.0
9.3-12.4
10.0-11.5
10.5-11.5
10.0-10.5
Tmax   
¡æ
80
100
120
150
180
200
220
(L/D=0.7,Cylinder)The open flux irreversible loss of the testing sample at this temperature:¡Ü5%.

NdFeB Magnet Other Physical Properties

  NdFeB MagnetTemp.coeff.of Br: -0.11%¡æ Temp.coeff.of Hcj: -0.60%¡æ 
NdFeB MagnetDensity: 7.4g/cm3 Electrical Resistivity: 144¦Ì¦¸.cm 
NdFeB MagnetVickers Hardness: 600Hv Flexural Strength: 25kg/mm 
NdFeB MagnetTensile Strength 8.0kg/mm2 Coeff.of Thermal Expansion: 4x10-b/¡æ 
NdFeB MagnetSpecific Heat: 0.12kCal/(kg.¡æ) Thermal Conductivity: 7.7kcal/(m.h.¡æ) 
NdFeB MagnetYoung's Modullus: 1.6x1011N/m2 Rigidity: 064N/m2 
NdFeB MagnetPoisson's Ratio: 0.24 Compressibility: 9.8x10-12m2/N 
NdFeB MagnetCurie Temperature: 310-340¡æ Relative recoil permeability¦Ìrev 1.05 

NdFeB Magnet Surface Threatment Method

  NdFeB MagnetSpray Coating Epoxy Resin
NdFeB MagnetNikel Plating
NdFeB MagnetZine Plating
NdFeB MagnetTin Plating 
NdFeB MagnetTeflon 
NdFeB MagnetGold 
NdFeB MagnetPhosphatize
NdFeB Magnet Surface Threatment Result Show
NdFeB Magnet
NdFeB Magnet
NdFeB Magnet
NdFeB Magnet
Phosphatised Magnets
Zinc-Coated Magnets
Nickel-Coated Magnets
Epoxide-coated Magnets
NdFeB MagnetPermeance Coefficient Picture
NdFeB Magnet
NdFeB Magnet
NdFeB Magnet
NdFeB Magnet

 


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Magnet

Magnet is a normal electron material. It is widely used in motor, speaker, instrument and so on..
Our Co. produce and supply all kinds of magnet such as NdFeB, Ferrite , AlNiCo, SmCo,boned magnet .