Gold Member Since 2013
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Ningbo Keke Magnet Industry Co., Ltd.

Rare Earth Magnets, Magnetic Products, Sintered Ndfeb Magnets manufacturer / supplier in China, offering Bar-Type Rare-Earth Magnets, Customized Shapes Are Accepted, neodymium magnet stop magnet search magnet F300*2 F300X2, magnet neodymium magnet search magnet F200X2 F200*2 and so on.

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Supplier Homepage Product Special Magnets Bar-Type Rare-Earth Magnets, Customized Shapes Are Accepted

Bar-Type Rare-Earth Magnets, Customized Shapes Are Accepted

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/Y
Transport Package: According to Your Request
Payment Terms: L/C, T/T, Western Union, Paypal

Request a custom order and have something just for you!

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Basic Info
  • Model NO.: GL-SP-11
  • Shape: Bar
  • Size: Acceptable Custom
  • Type: Permanent
  • Trademark: COCO
  • Origin: Zhejiang Ningbo China
  • Application: Speaker Magnet, Industrial Magnet, Jewelry Magnet, Solenoid, Motor Magnet
  • Coating: Nickel
  • Application Field: Permanent-Magnet Servo Motor
  • Composition: NdFeB Magnet
  • Specification: RoHs
  • HS Code: 85051110
Product Description
Product Name: Rare Earth Neodymium(NdFeB) Magnets

Materials Trademark:
N35-N50, 33M-48M, 30H-45H, 27SH-45SH, 25UH-40UH, 23EH-38EH
All Trademarks are available.
Working Temperature: 80-200(° C)

Product Feature:
Produced by the powder metallurgical method with chemical composition of ND2Fe14B
Very brittle and hard
Poorest corrosion resistance of all commercial magnetic material
High resistance to magnetic demagnetization
Excellent cost to performance ratio
Reasonable temperature stability
Not suitable for application which exposed to high temperatures

NdFeB permanent magnet is mainly used in Micro-motor, Electronic Industry, Car Industry, Petrochemical, NMR devices, Sound equipments, Maglev System, Magnetic drive and Magnetotherapy system, and its also used in Motorbikes, Car oil-duct's magnetization, with the aim of saving oil.
Earth permanent magnet (NdFeB) has the strongest magnetism nowadays. It does not only has high remanence, high coercivity, high energy product, and high-functional, but also it can processed into a variety of sizes easily. Now, it is widely used in avigation, spaceflight, electron, electrical sound, electrical machinery, apparatus, meters, medical technology, and especially apply to develop high-performance, small and light replacements.

Our factory produce and manufacture magnets according to customer's design on shape, dimension, grades, coatings etc.
To offer you our magnets price, please offer the following details:
Magnets grade: From N35 To N50, from N Series to UH Series.
Magnets size: As the drawing
Magnetism direction: Which direction to oriented The north pole and south pole
Magnets coating: Nickel, Zn, Black Epoxy, AG, Au etc.
Quantities: More mass order quantities. More Lower the prices. Original factory.

If you haven't been able to find your desired size or strength in our website?
We can send you a price quotation for exactly the magnet you wish...At no obligation to you. Here's how it works:
We can offer you not only standard forms (Disc/Rod, Block, Cube, Sphere, Ring). But also special demands, like borings, grades, countersinks, pole markers, etc.
Tell us which features you desire in a magnet (shape, size, strength, surface coating, and temperature resistance) and the quantity you will require.
You will receive our price quotation via e-mail within a day.
You will be under no obligation to buy.

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
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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