Gold Member Since 2017
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Ningbo Keke Magnet Industry Co., Ltd.

Magnetic Products, Ndfeb, Permanent manufacturer / supplier in China, offering Common Sintered Magnetic Product, M6 M4 M3 countersunk disc magnet, N35 N45 8X3 10X2 12X2 10X1 disc magnet 3M adhesive and so on.

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Common Sintered Magnetic Product

Purchase Qty.:
(Pieces)
1-9,999 10,000+
FOB Unit Price: US $0.01 US $1
Purchase Qty. (Pieces) FOB Unit Price
1-9,999 US $0.01
10,000+ US $1
Get Latest Price
Production Capacity: 2000t/ Year
Transport Package: According to Your Request
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Application: Speaker Magnet, Industrial Magnet, Jewelry Magnet, Solenoid, Motor Magnet
  • Coating: Nickel
  • Application Field: Permanent-Magnet Linear Motor
  • Type: Permanent
  • Trademark: COCO
  • Origin: Zhejiang Ningbo China
  • Shape: Block
  • Grade: N48
  • Size: Acceptable Custom
  • Composition: NdFeB Magnet
  • Specification: RoHs
Product Description
Product Name: Common sintered Magnetic Product

Magnets grade: N42
Magnets size: As the drawing
Magnetism direction: Which direction to oriented The north pole and south pole
Magnets coating: Zn,
Quantities: More mass order quantities. More Lower the prices.
Original factory.

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When inquiring or ordering, please send us following information
1. Type of magnet (material & grade)
2. Quantity (annual and per shipment)
3. Shape and dimensions (drawing if necessary)
4. Direction of magnetization
5. Magnetized or unmagnetized
6. Details of surface treatment
7. Application if possible
8. Other information and/or requirements

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Magnetic  properties  of  Sintered  Neodymium  Magnet  (NdFeB  magnet):
GradeRemanenceCoercive  ForceIntrinsic Coercive  ForceMax.   energy  productMax. Operating Temperature
Br mT (kGs)Hcb kA/m (kOe)Hcj kA/m (kOe)(  BH  )max  kJ/m 3 (MGOe)Tw
N351170-1220 (11.7-12.2)≥   868 (  ≥   10.9)≥   955 (  ≥   12)263-287 (33-36)80  deg
N381220-1250 (12.2-12.5)≥   899 (  ≥   11.3)≥   955 (  ≥   12)287-310 (36-39)80  deg
N401250-1280 (12.5-12.8)≥   907 (  ≥   11.4)≥   955 (  ≥   12)302-326 (38-41)80  deg
N421280-1320 (12.8-13.2)≥   915 (  ≥   11.5)≥   955 (  ≥   12)318-342 (40-43)80  deg
N451320-1380 (13.2-13.8)≥   923 (  ≥   11.6)≥   955 (  ≥   12)342-366 (43-46)80  deg
N481380-1420 (13.8-14.2)≥   923 (  ≥   11.6)≥   876 (  ≥   12)366-390 (46-49)80  deg
N501400-1450 (14.0-14.5)≥   796 (  ≥   10.0)≥   876 (  ≥   11)382-406 (48-51)60  deg
N521430-1480 (14.3-14.8)≥   796 (  ≥   10.0)≥   876 (  ≥   11)398-422 (50-53)60  deg
30M1080-1130 (10.8-11.3)≥   796 (  ≥   10.0)≥   1114 (  ≥   14)223-247 (28-31)100 deg
33M1130-1170 (11.3-11.7)≥   836 (  ≥   10.5)≥   1114 (  ≥   14)247-263 (31-33)100 deg
35M1170-1220 (11.7-12.2)≥   868 (  ≥   10.9)≥   1114 (  ≥   14)263-287 (33-36)100 deg
38M1220-1250 (12.2-12.5)≥   899 (  ≥   11.3)≥   1114 (  ≥   14)287-310 (36-39)100 deg
40M1250-1280 (12.5-12.8)≥   923 (  ≥   11.6)≥   1114 (  ≥   14)302-326 (38-41)100 deg
42M1280-1320 (12.8-13.2)≥   955 (  ≥   12.0)≥   1114 (  ≥   14)318-342 (40-43)100 deg
45M1320-1380 (13.2-13.8)≥   995 (  ≥   12.5)≥   1114 (  ≥   14)342-366 (43-46)100 deg
48M1360-1430 (13.6-14.3)≥   1027 (  ≥   12.9)≥   1114 (  ≥   14)366-390 (46-49)100 deg
50M1400-1450 (14.0-14.5)≥   1033 (  ≥   13.0)≥   1114 (  ≥   14)382-406 (48-51)100 deg
30H1080-1130 (10.8-11.3)≥   796 (  ≥   10.0)≥   1353 (  ≥   17)223-247 (28-31)120 deg
33H1130-1170 (11.3-11.7)≥   836 (  ≥   10.5)≥   1353 (  ≥   17)247-271 (31-34)120 deg
35H1170-1220 (11.7-12.2)≥   868 (  ≥   10.9)≥   1353 (  ≥   17)263-287 (33-36)120 deg
38H1220-1250 (12.2-12.5)≥   899 (  ≥   11.3)≥   1353 (  ≥   17)287-310 (36-39)120 deg
40H1250-1280 (12.5-12.8)≥   923 (  ≥   11.6)≥   1353 (  ≥   17)302-326 (38-41)120 deg
42H1280-1320 (12.8-13.2)≥   955 (  ≥   12.0)≥   1353 (  ≥   17)318-342 (40-43)120 deg
45H1300-1360 (13-13.6)≥   963 (  ≥   12.1)≥   1353 (  ≥   17)326-358 (43-46)120 deg
48H1370-1430 (13.7-14.3)≥   995 (  ≥   12.5)≥   1353 (  ≥   17)366-390 (46-49)120 deg
30SH1080-1130 (10.8-11.3)≥   804 (  ≥   10.1)≥   1592 (  ≥   20)223-247 (28-31)150 deg
33SH1130-1170 (11.3-11.7)≥   844 (  ≥   10.6)≥   1592 (  ≥   20)247-271 (31-34)150 deg
35SH1170-1220 (11.7-12.2)≥   876 (  ≥   11.0)≥   1592 (  ≥   20)263-287 (33-36)150 deg
38SH1220-1250 (12.2-12.5)≥   907 (  ≥   11.4)≥   1592 (  ≥   20)287-310 (36-39)150 deg
40SH1240-1280 (12.5-12.8)≥   939 (  ≥   11.8)≥   1592 (  ≥   20)302-326 (38-41)150 deg
42SH1280-1320 (12.8-13.2)≥   987 (  ≥   12.4)≥   1592 (  ≥   20)318-342 (40-43)150 deg
45SH1320-1380 (13.2-13.8)≥   1003 (  ≥   12.6)≥   1592 (  ≥   20)342-366 (43-46)150 deg
28UH1020-1080  (10.2-10.8)≥   764 (  ≥   9.6)≥   1990 (  ≥   25)207-231 (26-29)180 deg
30UH1080-1130  (10.8-11.3)≥   812 (  ≥   10.2)≥   1990 (  ≥   25)223-247 (28-31)180 deg
33UH1130-1170 (11.3-11.7)≥   852 (  ≥   10.7)≥   1990 (  ≥   25)247-271 (31-34)180 deg
35UH1180-1220 (11.8-12.2)≥   860 (  ≥   10.8)≥   1990 (  ≥   25)263-287 (33-36)180 deg
38UH1220-1250 (12.2-12.5)≥   876 (  ≥   11.0)≥   1990 (  ≥   25)287-310 (36-39)180 deg
40UH1240-1280 (12.5-12.8)≥   899 (  ≥   11.3)≥   1990 (  ≥   25)302-326 (38-41)180 deg
28EH1040-1090 (10.4-10.9)≥   780 (  ≥   9.8)≥   2388 (  ≥   30)207-231 (26-29)200 deg
30EH1080-1130  (10.8-11.3)≥   812 (  ≥   10.2)≥   2388 (  ≥   30)223-247 (28-31)200 deg
33EH1130-1170 (11.3-11.7)≥   836 (  ≥   10.5)≥   2388 (  ≥   30)247-271 (31-34)200 deg
35EH1170-1220 (11.7-12.2)≥   876 (  ≥   11.0)≥   2388 (  ≥   30)263-287 (33-36)200 deg
38EH1220-1250 (12.2-12.5)≥   899 (  ≥   11.3)≥   2388 (  ≥   30)287-310 (36-39)200 deg
30AH1080-1120 (10.8-11.2)≥   812 (  ≥   10.2)≥   2785 (  ≥   35)223-255 (28-32)220 deg
33AH1120-1170 (11.2-11.7)≥   812 (  ≥   10.2)≥   2785 (  ≥   35)247-271 (31-34)220 deg
Physical  and  Mechanical  Properties  of  Neodymium  Magnet:     
Thermal  Conductivity7.7  kcal/m-h-° C
Young' s  Modulus1.7  x  104  kg/mm2
Bending  Strength24  kg/mm2
Compressive  Strength80  kg/mm2
Electrical  Resistivity160  µ -ohm-cm/cm2
Density7.4-7.55  g/cm3
Vickers  Hardness500  -  600
Available  coatings  for  sintered  Neodymium  Magnet  (NdFeB  magnet):
Available  Coatings: 
SurfaceCoatingThickness  (Microns)ColorResistance 
Passivation 1Silver  GreyTemporary  Protection 
NickelNi+Ni10.0-20Bright  SilverExcellent  against  Humidity 
Ni+Cu+Ni 
ZincZn8.0-20Bright  BlueGood  Against  Salt  Spray 
C-ZnShinny  ColorExcellent  Against  Salt  Spray 
TinNi+Cu+Sn15-20SilverSuperior  Against  Humidity 
GoldNi+Cu+Au10.0-20GoldSuperior  Against  Humidity 
CopperNi+Cu10.0-20GoldTemporary  Protection 
EpoxyEpoxy15-25Black,   Red,   GreyExcellent  Against  Humidity &   Salt  Spray 
Ni+Cu+Epoxy 
Zn+Epoxy 
ChemicalNi10.0-20Silver  GreyExcellent  Against  Humidity 
ParyleneParylene5.0-20GreyExcellent  Against  Humidity,   Salt  Spray. Superior  Against  Solvents, Gases,   Fungi and  Bacteria. FDA  Approved.
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