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Contact us

Tel: +86-021-3636 2892
M:    +86-186 218 20086
Fax: +86-021-6305 1741
E-mail: jeff.z@shcosmolink.com
Add: Room 503, XieTu Road NO.788,Luwan District,Shanghai,China
 

Rare Earth Permanent Magnet

For windmill, EV, electric motor, power tools, communications, high-end sound systems, lightings, fluorescence etc.

Main Product:
Sintered NdFeB magnets and rare earth materials.

Main Material:
Nd, Fe and B-Fe
 

*Our advantage:
Supported by the largest production base for magnetic products of China, the raw material of the rare earth permanent magnet is supplied the own mine
 
Different Shape:
Block, Ring, Disc, Arcs with surface treating of Zinc, Ni, Ni-CuNi and Epoxy.
It also can be produced according to customer’s request.
 
Technical Properties:
Properties
Unit
Value
Reversible Temperature coefficient of Br (20~100)
%/℃
-0.09~-0.12
Reversible Temperature coefficient of Hcj (20~100)
%/℃
-0.50~-0.65
Curie Temperature
310-340
Recoil Magnetic Permeability
 
1.03~1.05
Density
g/cm3
7.4~7.6
Specific Resistance
μ.Ω.cm
150
Vickers hardness
Hv
600
Bending Strength
N/mm2
250
Tensile Strength
N/mm2
80
Compressive Strength
N/mm2
1050
Modulus of Elasiticity
N/mm2
1.6 x 105
Thermal Expansion
10-6/℃
5 (horizontal)
 
10-6/℃
-1.5 (vertical)
Thermal Conductivity
W/(m. ℃)
9
Specific Heat
J/(kg. ℃)
460
 
Selected Typical Technic Data
grade
Br
Hcb
Hcj
(BH)max
αBr
βHcj
Tw
ρ
T
kGs
kA/m
kOe
kA/m
kOe
kJ/m3
MGOe
%/℃
%/℃
g/cm3
N52
1.42-1.48
14.2-14.8
≥836
≥10.5
≥876
≥11
389-422
49-53
-0.12
-0.65
80
≥7.5
N30
1.08-1.12
10.8-11.2
≥796
≥10.0
≥955
≥12
223-239
28-30
-0.12
-0.65
80
≥7.4
N50M
1.39-1.45
13.9-14.5
≥1050
≥13.2
≥1114
≥14
374-406
47-51
-0.12
-0.65
100
≥7.5
N30M
1.08-1.12
10.8-11.2
≥812
≥10.2
≥1114
≥14
223-239
28-30
-0.12
-0.65
100
≥7.5
N50H
1.40-1.45
14.0-14.5
≥1027
≥12.9
≥1273
≥16
374-406
47-51
-0.11
-0.58
120
≥7.5
N30H
1.08-1.12
10.8-11.2
≥812
≥10.2
≥1353
≥17
223-239
28-30
-0.11
-0.62
120
≥7.5
N46SH
1.34-1.40
13.4-14.0
≥995
≥12.5
≥1592
≥20
342-374
43-47
-0.11
-0.6
150
≥7.5
N30SH
1.08-1.12
10.8-11.2
≥812
≥10.2
≥1592
≥20
223-239
28-30
-0.11
-0.6
150
≥7.5
N42UH
1.29-1.35
12.9-13.5
≥963
≥12.1
≥1990
≥25
318-350
40-44
-0.1
-0.55
180
≥7.5
N30UH
1.08-1.12
10.8-11.2
≥812
≥10.2
≥1900
≥25
223-239
28-30
-0.1
-0.55
180
≥7.5
N38EH
1.22-1.29
12.2-12.9
≥907
≥11.4
≥2388
≥30
287-318
36-40
-0.09
-0.5
200
≥7.5
N30EH
1.08-1.14
10.8-11.4
≥812
≥10.2
≥2388
≥30
223-239
28-31
-0.09
-0.5
200
≥7.5
N30AH
1.08-12.0
10.8-12.0
≥860
≥10.8
≥2626
≥33
247-263
31-35
-0.09
-0.4
220
-0.7.5
*For more detailed information please contact our sales engineer.
 
Other products:
Oxidation Tb; Oxidation Scandium; Oxidation Eu; Oxide PrNd; Oxide and Lanthanide; High grade Yttrium; High grade Cerium; Sm Gadolinium; Oxide Gadolinium