Special Disc Neodymium Magnet NdFeB Magnet

/ August 20, 2022

Model NO.: N52
Trademark: USKYM
Specification: 35*27*15mm
Origin: Ningbo, China
HS Code: 8505111000
Special Disc Neodymium Magnet Ndfeb Magnet

Material: Ndfeb + other rare earth material
Grade: N35 to N52
Working Temperature: 80 deg to 200 deg
Surface Treatment Method: Metallic Zinc, Nickel, Nickel+Nickel, Copper+Nickel, Nickel+Copper+Nickel,
Gold, Organic Epoxy, Nickel+Epoxy coating
Dimension: As your requiements
Tolerance:unless specified requirements, +/-0.1mm,+/-0.05mm
Orientation:The direction of magnetization depends on your applications.
Quantity:small order can be accepted
Payment:T/T or Paypal,Western union 

Sintered NdFeB 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. There are many grades which can withstand high temperatures, but several factors will dictate the performance of the Neodymium magnet. There are also Sintered NdFeB, Sintered AlNiCo, Sintered SmCo and Sintered Ferrite.

Application for NdFeB magnet: 
Magnetic separator, Sensors, Wind generators, Vibration motors, DC motors, Servo motors, Linear motors, VCM, MRI, Loudspeakers, Linear actuators, drives, toys, bags, household appliances, microphone parts, transmission equipments... 

Remarks: 
1, Sky Magnetech has years' experience in producing magnets and we can produce magnets  acccording to your own specifications or designs. 
2, We deliver goods in time and have excellent after-sale service. 
3, Commited to customers with our best service and with the most that we can do for you. 
4, Samples are always available here.

 Welcome your inquiry,hope we can work with you.


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.

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