Strong Permanent Neodymium Magnets

Short Description:

Application: Speaker Magnet, Industrial Magnet, Jewelry Magnet, Motor Magnet…

Shape: Cyliner, Countersunk, Block, Disc, Disk, Ring, Bar…

Coating: Nickel

Grade: N35-N55, 30H-48H, 30M-54M, 30SH-52SH, 28UH-48UH, 28EH-40EH

Type: Permanent Magnets

Certification: ISO9001, ISO14001


Product Detail

Product Tags

Product Description

Composite: Rare Earth Magnets

Size: Customized for Neodymium Magnet

Other Coating: Ni, Ni-Cu-Ni, Zn(Cr3+), Tin, Epoxy, Ni-AG, Ni-Au

Tolerance: +/-0.05 for Neodymium Magnet

Delivery Detail: 15 Days After Order Confirmed for Neodymium Magnet

Export Markets: Global

OEM Service: Yes

Other Shape: Arc, Ring, Ball, Bar, Strick, Sheet, Block for Neo

Transport Package: Sea Pallet / Air Carton / Express Packaging

Origin: China

Production Capacity: 10, 000, 000 PCS/Month

Magnetic Properties

Grade Remanence Magnetic Inductio Intrinsic Coercivity Max Magnetic Energy Product Temperature Coefficient Max Working Temperture Density
Br Hcb Hcj (BH)max α Br β Hcj Tw ρ
T kGs kA/m kOe kA/m kOe KJ/m3 MGOe %/℃ %/℃ g/cm2
N55 ≥1.45 ≥14.5 836 10.5 ≥955 ≥12 406-437 51-55 -0.12 -0.8 80 ≥7.5
N54 ≥1.44 ≥14.4 836 10.5 ≥955 ≥12 398-437 50-55 -0.12 -0.8 80 ≥7.5
N52 1.42-1.44 14.2-14.4 836 10.5  ≥955 ≥12 390-422 49-53 -0.12 -0.8 80 ≥7.5
N50 1.4-1.42 14-14.2 836 10.5  ≥955 ≥12 374-406 47-51 -0.12 -0.8 80 ≥7.5
N48 1.37-1.4 13.7-14 915 11.5  ≥955 ≥12 366-390 46-49 -0.12 -0.8 80 ≥7.5
N45 1.32-1.37 13.2-13.7 915 11.5  ≥955 ≥12 342-366 43-46 -0.12 -0.8 80 ≥7.5
54M ≥1.44 ≥14.4 1056 13.3  ≥1114 ≥14 398-422 50-53 -0.12 -0.8 100 ≥7.5
52M 1.42-1.44 14.2-14.4 1056 13.3  ≥1114 ≥14 390-422 49-53 -0.12 -0.8 100 ≥7.5
50M 1.4-1.42 14-14.2 1034 13.0  ≥1114 ≥14 374-406 47-51 -0.12 -0.8 100 ≥7.5
48M 1.37-1.4 13.7-14 1019 12.8  ≥1114 ≥14 366-390 46-49 -0.12 -0.8 100 ≥7.5
45M 1.32-1.37 13.2-13.7 1008 12.7  ≥1114 ≥14 342-366 43-46 -0.12 -0.8 100 ≥7.5
42M 1.28-1.32 12.8-13.2 970 12.2  ≥1114 ≥14 318-342 40-43 -0.12 -0.8 100 ≥7.5
54H ≥1.44 ≥14.4 1056 13.3  ≥1353 ≥17 398-422 50-53 -0.12 -0.7 120 ≥7.5
52H 1.42-1.44 14.2-14.4 1056 13.3  ≥1353 ≥17 390-422 49-53 -0.12 -0.7 120 ≥7.5
50H 1.4-1.42 14-14.2 1034 13.0  ≥1353 ≥17 374-406 47-51 -0.12 -0.7 120 ≥7.5
48H 1.37-1.4 13.7-14 1019 12.8  ≥1353 ≥17 366-390 46-49 -0.12 -0.7 120 ≥7.5
45H 1.32-1.37 13.2-13.7 1008 12.7  ≥1353 ≥17 342-366 43-46 -0.12 -0.7 120 ≥7.5
42H 1.28-1.32 12.8-13.2 970 12.2  ≥1353 ≥17 318-342 40-43 -0.12 -0.7 120 ≥7.5
40H 1.26-1.28 12.6-12.8 948 11.9  ≥1353 ≥17 302-326 38-41 -0.12 -0.7 120 ≥7.5
52SH 1.42-1.44 14.2-14.4 1056 13.3  ≥1592 ≥20 390-422 49-53 -0.12 -0.6 150 ≥7.5
50SH 1.4-1.42 14-14.2 1034 13.0  ≥1592 ≥20 374-406 47-51 -0.12 -0.6 150 ≥7.5
48SH 1.37-1.4 13.7-14 1019 12.8  ≥1592 ≥20 366-390 46-49 -0.12 -0.6 150 ≥7.5
45SH 1.32-1.37 13.2-13.7 1008 12.7  ≥1592 ≥20 342-366 43-46 -0.12 -0.6 150 ≥7.5
42SH 1.28-1.32 12.8-13.2 970 12.2  ≥1592 ≥20 318-342 40-43 -0.12 -0.6 150 ≥7.5
40SH 1.26-1.28 12.6-12.8 948 11.9  ≥1592 ≥20 302-326 38-41 -0.12 -0.6 150 ≥7.5
38SH 1.22-1.26 12.2-12.6 925 11.6  ≥1592 ≥20 287-310 36-39 -0.12 -0.6 150 ≥7.5
35SH 1.17-1.22 11.7-12.2 887 11.1  ≥1592 ≥20 263-287 33-36 -0.12 -0.6 150 ≥7.5
33SH 1.13-1.17 11.3-11.7 857 10.8  ≥1592 ≥20 247-271 31-34 -0.12 -0.6 150 ≥7.5
30SH 1.08-1.13 10.8-11.3 819 10.3  ≥1592 ≥20 223-254 28-32 -0.12 -0.6 150 ≥7.5
48UH 1.36-1.4 13.6-14 1029 12.9  ≥1990 ≥25 366-390 46-49 -0.12 -0.6 180 ≥7.5
45UH 1.32-1.37 13.2-13.7 1008 12.7 ≥1990 ≥25 342-366 43-46 -0.12 -0.6 180 ≥7.5
42UH 1.28-1.32 12.8-13.2 970 12.2  ≥1990 ≥25 318-342 40-43 -0.12 -0.6 180 ≥7.5
40UH 1.26-1.28 12.6-12.8 948 11.9  ≥1990 ≥25 302-326 38-41 -0.12 -0.6 180 ≥7.5
38UH 1.22-1.26 12.2-12.6 925 11.6  ≥1990 ≥25 287-310 36-39 -0.12 -0.6 180 ≥7.5
35UH 1.17-1.22 11.7-12.2 887 11.1  ≥1990 ≥25 263-287 33-36 -0.12 -0.6 180 ≥7.5
33UH 1.13-1.17 11.3-11.7 857 10.8  ≥1990 ≥25 247-271 31-34 -0.12 -0.6 180 ≥7.5
30UH 1.08-1.13 10.8-11.3 819 10.3  ≥1990 ≥25 223-255 28-32 -0.12 -0.51 180 ≥7.5
28UH 1.02-1.08 10.2-10.8 773 9.7  ≥1990 ≥25 207-231 26-29 -0.12 -0.51 180 ≥7.5
42EH 1.28-1.32 12.8-13.2 970 12.2  ≥2388 ≥30 318-342 40-43 -0.12 -0.5 200 ≥7.5
40EH 1.25-1.28 12.5-12.8 948 11.9 ≥2388 ≥30 302-326 38-41 -0.12 -0.5 200 ≥7.5
38EH 1.22-1.26 12.2-12.6 925 11.6  ≥2388 ≥30 287-310 36-39 -0.12 -0.5 200 ≥7.5
35EH 1.17-1.22 11.7-12.2 887 11.1  ≥2388 ≥30 263-287 33-36 -0.12 -0.5 200 ≥7.5
33EH 1.13-1.17 11.3-11.7 857 10.8  ≥2388 ≥30 247-271 31-34 -0.12 -0.5 200 ≥7.5
30EH 1.08-1.13 10.8-11.3 819 10.3  ≥2388 ≥30 223-255 28-32 -0.12 -0.51 200 ≥7.5
28EH 1.02-1.08 10.2-10.8 773 9.7  ≥2388 ≥30 207-231 26-29 -0.12 -0.51 200 ≥7.5
40AH 1.25-1.28 12.5-12.8 948 11.9  ≥2786 ≥35 302-326 38-41 -0.12 -0.51 220 ≥7.5
38AH 1.22-1.26 12.2-12.6 925 11.6  ≥2786 ≥35 287-310 36-39 -0.12 -0.51 220 ≥7.5
35AH 1.17-1.22 11.7-12.2 887 11.1  ≥2786 ≥35 263-287 33-36 -0.12 -0.51 220 ≥7.5
33AH 1.13-1.17 11.3-11.7 857 10.8  ≥2786 ≥35 247-271 31-34 -0.12 -0.51 220 ≥7.5
30AH 1.08-1.13 10.8-11.3 819 10.3  ≥2786 ≥35 223-255 28-32 -0.12 -0.51 220 ≥7.5
28AH 1.02-1.08 10.2-10.8 773 9.7 ≥2786 ≥35 199-231 25-29 -0.12 -0.51 220 ≥7.5

Process Flow Diagram

Product process flow1
Product process flow

Dimensional Tolerance

Squared-shaped products
Dimensional Range Dimensional Tolerance Parallellism Rectangularity
0.5≤L≤10 ±0.03 ±0.03 <0.3
10≤L≤50 ±0.05 ±0.05  
L>50 ±0.1 ±0.1  
Wafer-shaped Products
Dimensional Range Circularity Dimensional Tolerance Planeness
1≤D≤5 ±0.02 ±0.02 ±0.02
5≤D≤25 ±0.03 ±0.05 ±0.02
25≤D≤50 ±0.05 ±0.05 ±0.03
D>50 ±0.05 ±0.1 ±0.1
Ring-shaped Products
Dimensional Range Circularity Dimensional Tolerance Planeness
1≤d≤3 ±0.02 ±0.02 ±0.02
3≤d≤5 ±0.04 ±0.03 ±0.02
5≤d≤15 ±0.05 ±0.05 ±0.03
d>15 ±0.1 ±0.05 ±0.1
Segment-shaped Products
Geometric Tolerance Dimensional Range Dimensional Tolerance
Wall Thickness T≤10 ±0.04
10<T≤25 ±0.05
Length L≤10 ±0.03
10<L≤25 ±0.03
25<L≤63 ±0.04
L>63 ±0.06
Chord Length W≤63 ±0.05
W>63 ±0.06

Pulong Magnet has more than 10 years’ experience to deal with the magnets and magnetic products!

Strategic cooperation with China’s No.1 rare earth miner Chinalco!

Contact us today or send us a special request and let us know what you are looking for.


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    At present, it can produce sintered NdFeB magnets of various grades such as N35-N55, 30H-48H, 30M-54M, 30SH-52SH, 28UH-48UH, 28EH-40EH.