Flat Block Strong Power Magnet NdFeB Neodymium Permanent Magnet with Countersink

1. Permanent Neodymium Magnets  Introduction Neodymium-Iron-Boron(NdFeB) magnets are the most powerful and advanced commercialized permanent magnets. NdFeB magnets offers the highest Energy Product (BH)max commercially available. Their typical applications include high performance sensors, various DC motors, linea

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1. Permanent Neodymium Magnets 
 Introduction
 Neodymium-Iron-Boron(NdFeB) magnets are the most powerful and advanced commercialized permanent magnets. NdFeB magnets offers the highest Energy Product (BH)max commercially available. Their typical applications include high performance sensors, various DC motors, linear actuators, MRI, wind energy turbines, acoustic transducers, motors and generators, magneto mechanical devices, and magnetic field and imaging systems,etc. Also, magnets are protected with effective surface treatment to prevent corrosion.
Flat Block Strong Powerful Magnet NdFeB Neodymium Permanent Magnet with Countersunk Holes
2. How to Choose Permanent Magnet Materials
 It depend on magnetic force,maximim working temperature,coatings,cost,etc.
The bellow list help you select a right permanent magnet material for your applications.
3.Product Description
1. Materials: Ne-Fe-B(Neodymium Magnet)
2. Specifications and Shapes: Various Speciciations and Shapes,which depend on your request.
3. Certificate: ROHS,Reach,etc.
4.Specifications
a.Materials: Neodymium-Ferrum-Boron;
b.Grade: N35-N54, 35M-52M, 33H-50H, 33SH-45SH, 30UH-42UH, 30EH-38EH,see bellow Chart
c. Coating: Nckel, Chemical Ni,Zn, epoxy(Black color or Grey Color) gold,Silver, Ni-Cu+Black epoxy,Ni+Sn,parylene,etc;
d. Shape: Block, Disc,Cylinder Ring, Disc, Cylinder, Arc(Segment), Half Ring, and Customized Design;
e. Sizes: customized size according to customers' request
5. Grade and Magnetic Properties:
TYPICAL PROPERTY
MAGNETIC CHARACTERISTICS 
PROPERTIESBrmT (KGs)Hcb KA/m (Koe)Hcj KA/m (KOe)(BH)max KJ/m³ (MGOe)Max.TW ºC
GRADE
N331130-1170 (11.3-11.7)≥836 (≥10.5)≥955 (≥12)247-263 (31-33)80
N351170-1210 (11.7-12.1)≥868 (≥10.9)≥955 (≥12)263-287 (33-36)80
N381210-1250 (12.1-12.5)≥899 (≥11.3)≥955 (≥12)287-310 (36-39)80
N401250-1280 (12.5-12.8)≥923 (≥11.6)≥955 (≥12)302-326 (38-41)80
N421280-1320 (12.8-13.2)≥923 (≥11.6)≥955 (≥12) 318-342 (40-43)80
N451320-1380 (13.2-13.8)≥876 (≥11.0)≥955 (≥12)342-366 (43-46)80
N481380-1420 (13.8-14.2)≥835 (≥10.5)≥876 (≥11)366-390 (46-49)80
N501400-1450 (14.0-14.5)≥796 (≥10.0)≥876 (≥11) 382-406 (48-51)60
N521430-1480 (14.3-14.8)≥796 (≥10.0)≥876 (≥11) 398-422 (50-53)60
N35M1170-1220 (11.7-12.2)≥868 (≥10.9)≥1114 (≥14)263-287 (33-36)100
N38M1220-1250 (12.2-12.5)≥899 (≥11.3)≥1114 (≥14)287-310 (36-39)100
N40M1250-1280 (12.5-12.8)≥923 (≥11.6)≥1114 (≥14) 302-326 (38-41)100
N42M1280-1320 (12.8-13.2)≥955 (≥12.0)≥1114 (≥14)318-342 (40-43)100
N45M1320-1380 (13.2-13.8)≥995 (≥12.5)≥1114 (≥14)342-366 (43-46)100
N48M1360-1430 (13.6-14.3)≥1027 (≥12.9)≥1114 (≥14)366-390 (46-49)100
N50M1400-1450 (14.0-14.5)≥1033 (≥13.0)≥1114 (≥14)382-406 (48-51)100
33H1130-1170 (11.3-11.7)≥836 (≥10.5)≥1353 (≥17)247-271 (31-34)120
35H1170-1210 (11.7-12.1)≥868 (≥10.9)≥1353 (≥17)263-287 (33-36)120
38H1210-1250 (12.1-12.5)≥899 (≥11.3)≥1353 (≥17)287-310 (36-39)120
40H1240-1280 (12.4-12.8)≥923 (≥11.6)≥1353 (≥17)302-326 (38-41)120
42H1280-1320 (12.8-13.2)≥955 (≥12.0)≥1353 (≥17)318-342 (40-43)120
45H1300-1360 (13.0-13.6)≥963 (≥12.1)≥1353 (≥17)342-358 (43-46)120
48H1370-1430 (13.7-14.3)≥995 (≥12.5)≥1353 (≥17)358-390 (46-49)120
33SH1130-1170 (11.3-11.7)≥844 (≥10.6)≥1592 (≥20)247-272 (31-34)150
35SH1170-1210 (11.7-12.1)≥876 (≥11.0)≥1592 (≥20)263-287 (33-36)150
38SH1210-1250 (12.1-12.5)≥907 (≥11.4)≥1592 (≥20)287-310 (36-39)150
40SH1240-1280 (12.4-12.8)≥939 (≥11.8)≥1592 (≥20)302-326 (38-41)150
42SH1280-1320 (12.8-13.2)≥987 (≥12.4)≥1592 (≥20)318-342 (40-43)150
45SH1320-1380 (13.2-13.8)≥1003 (≥12.6)≥1592 (≥20)342-366 (43-46)150
28UH1020-1080 (10.2-10.8)≥764 (≥9.6)≥1990 (≥25)207-231 (26-29)180
30UH1080-1130 (10.8-11.3)≥812 (≥10.2)≥1990 (≥25)223-247 (28-31)180
33UH1130-1170 (11.3-11.7)≥852 (≥10.7)≥1990 (≥25)247-271 (31-34)180
35UH1180-1220 (11.8-12.2)≥860 (≥10.8)≥1990 (≥25)263-287 (33-36)180
38UH1220-1250 (12.2-12.5)≥876 (≥11.0)≥1990 (≥25)287-310 (36-39)180
40UH1240-1280 (12.4-12.8)≥899 (≥11.3)≥1990 (≥25)302-326 (38-41)180
28EH1040-1090 (10.4-10.9)≥780 (≥9.8)≥2388 (≥30)207-231 (26-29)200
30EH1080-1130 (10.8-11.3)≥812 (≥10.2)≥2388 (≥30)223-247 (28-31)200
33EH1130-1170 (11.3-11.7)≥836 (≥10.5)≥2388 (≥30)247-271 (31-34)200
35EH1170-1220 (11.7-12.2)≥876 (≥11.0)≥2388 (≥30)263-287 (33-36)200
38EH1220-1250 (12.2-12.5)≥899 (≥11.3)≥2388 (≥30)287-310 (36-39)<=200
 
Characteristic Comparisons
GradeMHSHUHEHAH
Max.TW80ºC100ºC120ºC150ºC180ºC200ºC250ºC
PropertyLowHighHigher Supperior high Extremely highHighest
Hcj Value>=11KOe>=14KOe>=17KOe>=20KOe>=25KOe30>=11KOe>=35KOe
6.Coatings 
SurfaceCoatingColourThickness(μm)Standard ResistanceCorrosive Resistance
PCT TestSalt Spray Test
NickelNickelSilver10-2048hr or 72hr72hrEXCELLENT
Ni+Cu+Ni
ZincBlue ZincBright Blue8-2024hr24hrGOOD
Colour ZincShinny Colour
EpoxyEpoxyBlack / Grey15-2548hr96hrEXCELLENT
Ni+Cu+Epoxy
TinNi+Cu+SnSilver15-2072hr72hrSUPERIOR
ParyleneParyleneGrey15-2596hr200hrSUPERIOR
TeflonTeflonGrey10-2012hr24hrSUPERIOR
Phosphorization/Grey1-2--TEMPORARY PROETCTION
Passivation/Grey1-2--TEMPORARY PROETCTION
* PCT test(120ºC,100%RH,2.0atm);Salt Spray Test(5%NaCl,35ºC continue spray).
ItemParametersReference Value
AdditionalTemp.Coeff.of Br (α(Br))/(%/K) -0.08 ~ -0.12
Temp.Coeff.of Hcj (β(Hcj))/(%/K) -0.42 ~ -0.70
Curie Temperature (Tc)/K 310 ~ 380
Recoil Permeability (μrec)[-]1.05
MechanicalDensity (g/cm³) 7.6
Vickers Hardness (Hv) 650
Electrical Resistivity (μΩom) 1.4
Compressive Strength (Mpa) 1050
Tensile Strength (Mpa) 80
Bending Strength (Mpa) 290
Thermal Conductivity (W/(moK)) 6 ~ 8
Young's Modulus (Gpa) 160
 Coefficient of Thermal Expansive (C⊥) (10-6/K) -1.5
 Coefficient of Thermal Expansive (C‖) (10-6/K) 6.5
* Technical specifications and parameters are subjected to change without notice.



7.Directions of Magnetization:
a. Thickness Magnetized,Width Magnetized,Length Magnetized
b. Axially Magnetized 
c. Diametrally Magnetized
d. Multi-poles magnetized
e. Radially Magnetized,etc
8. Production Flow:

Flat Block Strong Powerful Magnet NdFeB Neodymium Permanent Magnet with Countersunk Holes
9.Quality Control 

Flat Block Strong Powerful Magnet NdFeB Neodymium Permanent Magnet with Countersunk Holes

10.Packages
Air Packing with iron sheet to sheild magnetic for each carton before air shipment; Ocean packing with Pallet.
Flat Block Strong Powerful Magnet NdFeB Neodymium Permanent Magnet with Countersunk Holes

11.Inquiry   
Please provide the following details when you enquiry: 
1.Which Grade you need? Or tell us what's the maximum working temperature you need? We can suggest you grade after we learn more about your project.
2.What's the shape and sizes you need?Or we can suggest you after after we learn more about your project.
3.What's the magnetized orientation you need? Or we can design it for you after after we learn more about your project.
4.Which coating you need? Or we can suggest you after we learn more about your project.
5.How many quantity you need.

Anyway,we can suggest you and design it for you too after we learn more about your project.

Flat Block Strong Powerful Magnet NdFeB Neodymium Permanent Magnet with Countersunk Holes

Flat Block Strong Powerful Magnet NdFeB Neodymium Permanent Magnet with Countersunk Holes

Flat Block Strong Powerful Magnet NdFeB Neodymium Permanent Magnet with Countersunk Holes


Flat Block Strong Powerful Magnet NdFeB Neodymium Permanent Magnet with Countersunk Holes
Flat Block Strong Powerful Magnet NdFeB Neodymium Permanent Magnet with Countersunk Holes











Flat Block Strong Powerful Magnet NdFeB Neodymium Permanent Magnet with Countersunk Holes





Flat Block Strong Powerful Magnet NdFeB Neodymium Permanent Magnet with Countersunk Holes
Transportation: By air or ocean shipment from Ningbo or Shanghai to all around the world


Flat Block Strong Powerful Magnet NdFeB Neodymium Permanent Magnet with Countersunk Holes


We can provide you all customized magnetd, magnetic applications and design them for you too!
Solutions for  cost saving for you to choose the most suitable  magnetic products.
Welcome to your enquiry anytime and we will reply you within 24hours in time.

Contact Person:Mr Cary Li
 
 
 
  
 

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