1.Shape:Disc,Block,Ring, Cylinder, Segment,Spheres,Bar,Special, etc.
2.Customization:available.
3.Coating: Nickel, Black nickel, Zn, Gold, Silver, Copper, Epoxy.
Warnings:
Neodymium magnets attract each other with almost twice the force that they use to attract
steel objects.They also attract each other through very large distances, even small magnets
will attract each other through the thickness of your finger!
Contact us:
Please do no hesitate to contact with us if you have any questions or requests on magnet.
You can inquiry either by email/fax or instant message
We are pleased to offer your service and respond within 12 hours
Relevant Shipping Advantage:
1) Appointed forwarder is welcome
2) We can ship by express, air & sea
3) We have big discount on our won forwarder, and mainly world-wide express such as :DHL, UPS, Fedex
Welcome to contact with us!
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/m 3
(MGOe)
Tw
N35
1170-1220
(11.7-12.2)
≥ 868
( ≥ 10.9)
≥ 955
( ≥ 12)
263-287
(33-36)
80 deg
N38
1220-1250
(12.2-12.5)
≥ 899
( ≥ 11.3)
≥ 955
( ≥ 12)
287-310
(36-39)
80 deg
N40
1250-1280
(12.5-12.8)
≥ 907
( ≥ 11.4)
≥ 955
( ≥ 12)
302-326
(38-41)
80 deg
N42
1280-1320
(12.8-13.2)
≥ 915
( ≥ 11.5)
≥ 955
( ≥ 12)
318-342
(40-43)
80 deg
N45
1320-1380
(13.2-13.8)
≥ 923
( ≥ 11.6)
≥ 955
( ≥ 12)
342-366
(43-46)
80 deg
N48
1380-1420
(13.8-14.2)
≥ 923
( ≥ 11.6)
≥ 876
( ≥ 12)
366-390
(46-49)
80 deg
N50
1400-1450
(14.0-14.5)
≥ 796
( ≥ 10.0)
≥ 876
( ≥ 11)
382-406
(48-51)
60 deg
N52
1430-1480
(14.3-14.8)
≥ 796
( ≥ 10.0)
≥ 876
( ≥ 11)
398-422
(50-53)
60 deg
30M
1080-1130
(10.8-11.3)
≥ 796
( ≥ 10.0)
≥ 1114
( ≥ 14)
223-247
(28-31)
100 deg
33M
1130-1170
(11.3-11.7)
≥ 836
( ≥ 10.5)
≥ 1114
( ≥ 14)
247-263
(31-33)
100 deg
35M
1170-1220
(11.7-12.2)
≥ 868
( ≥ 10.9)
≥ 1114
( ≥ 14)
263-287
(33-36)
100 deg
38M
1220-1250
(12.2-12.5)
≥ 899
( ≥ 11.3)
≥ 1114
( ≥ 14)
287-310
(36-39)
100 deg
40M
1250-1280
(12.5-12.8)
≥ 923
( ≥ 11.6)
≥ 1114
( ≥ 14)
302-326
(38-41)
100 deg
42M
1280-1320
(12.8-13.2)
≥ 955
( ≥ 12.0)
≥ 1114
( ≥ 14)
318-342
(40-43)
100 deg
45M
1320-1380
(13.2-13.8)
≥ 995
( ≥ 12.5)
≥ 1114
( ≥ 14)
342-366
(43-46)
100 deg
48M
1360-1430
(13.6-14.3)
≥ 1027
( ≥ 12.9)
≥ 1114
( ≥ 14)
366-390
(46-49)
100 deg
50M
1400-1450
(14.0-14.5)
≥ 1033
( ≥ 13.0)
≥ 1114
( ≥ 14)
382-406
(48-51)
100 deg
30H
1080-1130
(10.8-11.3)
≥ 796
( ≥ 10.0)
≥ 1353
( ≥ 17)
223-247
(28-31)
120 deg
33H
1130-1170
(11.3-11.7)
≥ 836
( ≥ 10.5)
≥ 1353
( ≥ 17)
247-271
(31-34)
120 deg
35H
1170-1220
(11.7-12.2)
≥ 868
( ≥ 10.9)
≥ 1353
( ≥ 17)
263-287
(33-36)
120 deg
38H
1220-1250
(12.2-12.5)
≥ 899
( ≥ 11.3)
≥ 1353
( ≥ 17)
287-310
(36-39)
120 deg
40H
1250-1280
(12.5-12.8)
≥ 923
( ≥ 11.6)
≥ 1353
( ≥ 17)
302-326
(38-41)
120 deg
42H
1280-1320
(12.8-13.2)
≥ 955
( ≥ 12.0)
≥ 1353
( ≥ 17)
318-342
(40-43)
120 deg
45H
1300-1360
(13-13.6)
≥ 963
( ≥ 12.1)
≥ 1353
( ≥ 17)
326-358
(43-46)
120 deg
48H
1370-1430
(13.7-14.3)
≥ 995
( ≥ 12.5)
≥ 1353
( ≥ 17)
366-390
(46-49)
120 deg
30SH
1080-1130
(10.8-11.3)
≥ 804
( ≥ 10.1)
≥ 1592
( ≥ 20)
223-247
(28-31)
150 deg
33SH
1130-1170
(11.3-11.7)
≥ 844
( ≥ 10.6)
≥ 1592
( ≥ 20)
247-271
(31-34)
150 deg
35SH
1170-1220
(11.7-12.2)
≥ 876
( ≥ 11.0)
≥ 1592
( ≥ 20)
263-287
(33-36)
150 deg
38SH
1220-1250
(12.2-12.5)
≥ 907
( ≥ 11.4)
≥ 1592
( ≥ 20)
287-310
(36-39)
150 deg
40SH
1240-1280
(12.5-12.8)
≥ 939
( ≥ 11.8)
≥ 1592
( ≥ 20)
302-326
(38-41)
150 deg
42SH
1280-1320
(12.8-13.2)
≥ 987
( ≥ 12.4)
≥ 1592
( ≥ 20)
318-342
(40-43)
150 deg
45SH
1320-1380
(13.2-13.8)
≥ 1003
( ≥ 12.6)
≥ 1592
( ≥ 20)
342-366
(43-46)
150 deg
28UH
1020-1080 (10.2-10.8)
≥ 764
( ≥ 9.6)
≥ 1990
( ≥ 25)
207-231
(26-29)
180 deg
30UH
1080-1130 (10.8-11.3)
≥ 812
( ≥ 10.2)
≥ 1990
( ≥ 25)
223-247
(28-31)
180 deg
33UH
1130-1170
(11.3-11.7)
≥ 852
( ≥ 10.7)
≥ 1990
( ≥ 25)
247-271
(31-34)
180 deg
35UH
1180-1220
(11.8-12.2)
≥ 860
( ≥ 10.8)
≥ 1990
( ≥ 25)
263-287
(33-36)
180 deg
38UH
1220-1250
(12.2-12.5)
≥ 876
( ≥ 11.0)
≥ 1990
( ≥ 25)
287-310
(36-39)
180 deg
40UH
1240-1280
(12.5-12.8)
≥ 899
( ≥ 11.3)
≥ 1990
( ≥ 25)
302-326
(38-41)
180 deg
28EH
1040-1090
(10.4-10.9)
≥ 780
( ≥ 9.8)
≥ 2388
( ≥ 30)
207-231
(26-29)
200 deg
30EH
1080-1130 (10.8-11.3)
≥ 812
( ≥ 10.2)
≥ 2388
( ≥ 30)
223-247
(28-31)
200 deg
33EH
1130-1170
(11.3-11.7)
≥ 836
( ≥ 10.5)
≥ 2388
( ≥ 30)
247-271
(31-34)
200 deg
35EH
1170-1220
(11.7-12.2)
≥ 876
( ≥ 11.0)
≥ 2388
( ≥ 30)
263-287
(33-36)
200 deg
38EH
1220-1250
(12.2-12.5)
≥ 899
( ≥ 11.3)
≥ 2388
( ≥ 30)
287-310
(36-39)
200 deg
30AH
1080-1120
(10.8-11.2)
≥ 812
( ≥ 10.2)
≥ 2785
( ≥ 35)
223-255
(28-32)
220 deg
33AH
1120-1170
(11.2-11.7)
≥ 812
( ≥ 10.2)
≥ 2785
( ≥ 35)
247-271
(31-34)
220 deg
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
10.0-20
Bright Silver
Excellent against Humidity
Ni+Cu+Ni
Zinc
Zn
8.0-20
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
10.0-20
Gold
Superior Against Humidity
Copper
Ni+Cu
10.0-20
Gold
Temporary Protection
Epoxy
Epoxy
15-25
Black, Red, Grey
Excellent Against Humidity
& Salt Spray
Ni+Cu+Epoxy
Zn+Epoxy
Chemical
Ni
10.0-20
Silver Grey
Excellent Against Humidity
Parylene
Parylene
5.0-20
Grey
Excellent Against Humidity, Salt Spray. Superior Against Solvents, Gases, Fungi and Bacteria.
FDA Approved.