Home > Magnet >Ferrite magnet

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%.

Other Physical Properties

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

Surface Threatment Method

  Spray Coating Epoxy Resin
Nikel Plating
Zine Plating
Tin Plating 
Teflon 
Gold 
Phosphatize
Surface Threatment Result Show
Phosphatised Magnets
Zinc-Coated Magnets
Nickel-Coated Magnets
Epoxide-coated Magnets
Permeance Coefficient Picture

 

NdFeB Magnet [prodyct info.....]
magnetFridge MagnetNdFeB MagnetHomeProductsServiceContact UsAbout UsMagnetizerSite MapmagnetFridge Magnet
Products Sorts
MAGNET
Fridge magnet
Ferrite magnet
NdFeB Magnet
AlNiCo magnet
SmCo Magnet
Rubber magnet
Rubber NdFeB Magnet
Bonded NdFeB magnet
MOTOR
MAGTECH
MAGNETIC INSTRUMENT
SPEAKER
SPEAKER PARTS
SOUND BOX
PIEZOELECTRICAL MATERIALS
ADVANCED CERAMICS
Hot Products
Magnet
Fridge magnet
NdFeB Magnet
Magnetizer
DC Motor
Car Speaker
Electromagnet
Fridge MagnetmagnetFridge MagnetNdFeB MagnetHomeProductsServiceContact UsAbout UsMagnetizerSite MapmagnetFridge MagnetMagnet Fridge Magnet NdFeB Magnet Magnetizer Electromagnet DC Motor Car Speaker AlNiCo Magnet Bonded NdFeB Magnet Smco MagnetFerrite Magnet Rubber NdFeB Magnet Rubber Magnet Ceiling Speakeer Sychronous Motor Stepper Motor Coaxial Speaker Speaker TesterMagnetic Pole Viewer Pot Magnet Button Magnet Horseshoe Magnet Notice Board Magnet PA. Speaker Permanent Magnet Lifter

Copyright (c) 2004. HC Electron. All rights reserved.
Designed By ecentral.cn link

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 .