Product Description:
0.5"x0.25"x0.25" Thick Rare Earth Neodymium NdFeB Block Magnet
Nickel-Copper-Nickel triple layer coated for maximum durability and protection again corrosion
Nickel-Copper-Nickel triple layer coated for maximum durability and protection again corrosion
Grade N42
Magnetized through the Thickness
Approximate pulling force: 11 lbs
Applications: motors
Max Working Temp: 80°C/176°F.
Contact us for volume discount
Note : Pull force is estimate only, please test it for your application
Magnetic properties of main grades
Grade | Residual Induction | Coercive Force | Intrinsic Coercivity | Maximum Energy Product | TW | ||||
Br | BHC | IHC | (BH)max. | ||||||
kGs | T | kOe | kA/m | kOe | kA/m | MGOe | kJ/m3 | ℃ | |
N33 | 11.3-11.7 | 1.13-1.17 | ≥10.5 | ≥836 | ≥12 | ≥955 | 31-33 | 247-263 | 80 |
N35 | 11.7-12.1 | 1.17-1.21 | ≥10.9 | ≥868 | ≥12 | ≥955 | 33-36 | 263-287 | 80 |
N38 | 12.1-12.5 | 1.21-1.25 | ≥11.3 | ≥899 | ≥12 | ≥955 | 36-39 | 287-310 | 80 |
N40 | 12.5-12.8 | 1.25-1.28 | ≥11.6 | ≥923 | ≥12 | ≥955 | 38-41 | 302-326 | 80 |
N42 | 12.8-13.2 | 1.28-1.32 | ≥11.6 | ≥923 | ≥12 | ≥955 | 40-43 | 318-342 | 80 |
N45 | 13.2-13.8 | 1.32-1.38 | ≥11.0 | ≥876 | ≥12 | ≥955 | 43-46 | 342-366 | 80 |
N48 | 13.8-14.2 | 1.38-1.42 | ≥10.5 | ≥835 | ≥11 | ≥876 | 46-49 | 366-390 | 80 |
33H | 11.3-11.7 | 1.13-1.17 | ≥10.5 | ≥836 | ≥17 | ≥1353 | 31-34 | 247-271 | 120 |
35H | 11.7-12.1 | 1.17-1.21 | ≥10.9 | ≥868 | ≥17 | ≥1353 | 33-36 | 263-287 | 120 |
38H | 12.1-12.5 | 1.21-1.25 | ≥11.3 | ≥899 | ≥17 | ≥1353 | 36-39 | 287-310 | 120 |
40H | 12.4-12.8 | 1.24-1.28 | ≥11.6 | ≥923 | ≥17 | ≥1353 | 38-41 | 302-326 | 120 |
42H | 12.8-13.2 | 1.28-1.32 | ≥12.0 | ≥955 | ≥17 | ≥1353 | 40-43 | 318-342 | 120 |
33SH | 11.3-11.7 | 1.13-1.17 | ≥10.6 | ≥844 | ≥20 | ≥1592 | 31-34 | 247-272 | 150 |
35SH | 11.7-12.1 | 1.17-1.21 | ≥11.0 | ≥876 | ≥20 | ≥1592 | 33-36 | 263-287 | 150 |
38SH | 12.1-12.5 | 1.21-1.25 | ≥11.4 | ≥907 | ≥20 | ≥1592 | 36-39 | 287-310 | 150 |
40SH | 12.4-12.8 | 1.24-1.28 | ≥11.8 | ≥939 | ≥20 | ≥1592 | 38-41 | 302-326 | 150 |
28UH | 10.2-10.8 | 1.02-1.08 | ≥9.6 | ≥764 | ≥25 | ≥1990 | 26-29 | 207-231 | 180 |
30UH | 10.8-11.3 | 1.08-1.13 | ≥10.2 | ≥812 | ≥25 | ≥1990 | 28-31 | 223-247 | 180 |
33UH | 11.3-11.7 | 1.13-1.17 | ≥10.7 | ≥852 | ≥25 | ≥1990 | 31-34 | 247-271 | 180 |
28EH | 10.4-10.9 | 1.04-1.09 | ≥9.8 | ≥780 | ≥30 | ≥2388 | 26-29 | 207-231 | 200 |
30EH | 10.8-11.3 | 1.08-1.13 | ≥10.2 | ≥812 | ≥30 | ≥2388 | 28-31 | 223-247 | 200 |
Note:
aB - reversible temperature coefficient of induction.
aB - reversible temperature coefficient of induction.
Shapes and sizes available (as standard):
Shapes: Blocks/plates, disks/rods, rings, segments
Two (four) poles
Note: More complicated shapes and any magnetic configuration can be provided by special order.
Shapes: Blocks/plates, disks/rods, rings, segments
Two (four) poles
Note: More complicated shapes and any magnetic configuration can be provided by special order.
Standard sizes:
Blocks/plates
Min, mm | Max, mm | |
W | 2 | 70 |
T | 1.5 | 50 |
L | 1 | 15 |
Disks/rods with axial magnetic texture
Min, mm | Max, mm | |
Dia | 5 | 70 |
h | 1.2 | 12 |
Disks/rods with diametrical magnetic texture
Min, mm | Max, mm | |
Dia | 2 | 12 |
h | 1.2 | 40 |
Segments with axial magnetic texture
Min, mm | Max, mm | |
OD | 96 | 96 |
ID | 48 | 55 |
h | 5 | 12 |
Opening angle, degree | 35 | 45 |
Segments with diametrical magnetic texture
Min, mm | Max, mm | |
OD | 50 | 120 |
ID | 32 | 180 |
h | 8 | 50 |
Opening angle, degree | 30 | 60 |
Rings with axial magnetic texture
Min, mm | Max, mm | |
OD | 5 | 70 |
ID | 3 | 26 |
h | 1.2 | 40 |
neodymium magnet
1.Material:rare earth ,neodymium -Iron-Boron
2.Shape:Tile,Ring,Disc,Block,Cylinder,Tile,Arc,customers
2.Shape:Tile,Ring,Disc,Block,Cylinder,Tile,Arc,customers
3.Size:4X3mm,5X3mm,8X3mm,30X5mm,15X7mm or customized
4.Grade:N35-N52,N30M-N48M,N35SH-N45SH,etc.
4.Grade:N35-N52,N30M-N48M,N35SH-N45SH,etc.
5.Coating :NiCuNi, Ni,Zn,Gold,Silver,Epoxy,chemical plating Ni,etc.
6.Application: Sensors, Motors, Rotors, Wind turbines/wind generators, Loudspeakers, Magnetic hooks & holder, Filters, Automobiles, Jewelry.etc.
Neodymium magnet advantages
a) High energy
b) Very high Hc and Hci output
c) More economical than SmCo
d) Wonderful performance at ambient temperature
a) High energy
b) Very high Hc and Hci output
c) More economical than SmCo
d) Wonderful performance at ambient temperature
Transportation
All available shipping ways could be applied, by courier, by air or by sea.
Appointed shipping company or our own forwarders all could be used in shipment.
Full-way tracking the cargos for you before the goods arrive.
Buyer Guide
In order to quote you the best price quickly, please provide the following information:
1.Product size,grade,coating,etc.
2.Order quantity;
3.Attached the drawings if customized
4.Any special packing or other requirements
4.Any special packing or other requirements
Our advantage
1. Fast reply: all your enquiry will be replied within 24 hours;
2. Reasonable price: we are direct manufacturer and able to offer better price;
3. Good quality: we are experienced in quality control;
4. Fast delivery time:7-20 days.