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Neodymium China

 

 
 


NdFeB Magnets - Neodymium Iron Boron

Custom-made Magnets are our specialty:

  • Courteous engineering assistance

  • Prompt sample manufacturing

  • We meet any feasible properties required by your project

Fast-quote
sales@bbautomacao.com
to receive a quotation within 48 hours!

 

  

Selectable properties:

  • Sizes: virtually any size, including large size magnets

  • Shapes: discs, rings, blocks, slabs, cylinders, tiles, rods, spheres, balls, cubes, squares, rectangles, and complex shapes as well

  • Grade: from N30 to N50, from N30M to N50M, from N27H to N45H, from N27SH to N44SH, from N25US to N40UH, from N27EH to N35EH, from N28AH to N35AH

  • Maximum working temperatures: from  176°F (80°C) to 464° F (240°C)

  • magnetization direction

  • coatings on surface

  • Remanence - Br(T): from 0.98 to 1.47

  • Remanence - Br(kGs): from 9.8 to 14.7

  • Coercivity - bHc(kA/m): 732 to 1,138

  • Coercivity - bHc(kOe): 9.2 to 14.3

  • Intr. Coercivity - iHc (kA/m): 876 to 2,785

  • Intr. Coercivity - iHc (kOe): 12 to 35

  • Max. Energy Product (BH)max (KJ/m3): 183 to 414

  • Max. Energy Product (BH)max (MGOe): 25 to 52

See Full Magnetic Properties Table of Sintered NdFeB Magnets

  


NdFeB Magnets standard qualities:

  • Produced by powder metallurgical method with chemical composition of Nd2Fe14B

  • High resistance to demagnetization

  • High magnetic values (Br, bHc, iHC und (BH)max)

  • Buy Neodymium Magnets - Excellent cost to performance ratio

  • Reasonable temperature stability

  • Very brittle & hard

  • Poorest corrosion resistance of all commercial magnetic materials

  • Not suitable for application which exposed in high temperature conditions

  
Fast-quote
sales@bbautomacao.com
 to receive a quotation within 48 hours!

Typical Physical Properties
 

Curie Temperature (°F)

590-698

Maximum Operating Temperature (°F)

176-464

Resistivity (µ ohm.cm)

160

Hardness (Hv)

560-580

Density (g/cm3)

7.40

Relative Recoil Permeability (µrec)

1.05

Saturation Field Strength, kOe (kA/m)

30-40 (2400-3200)

Temperature Coefficient of Br (%/°C)

-0.12 ~ -0.10

Temperature Coefficient of iHc (%/°C)

-0.6
 
 

Block Magnets

neodymium picture

Recommended Sizes of Block Magnets

Dimensions Min. Max.
Length (mm) 2.0 150
Width (mm) 1.5 50
Thickness (mm) 0.5 30

Standard magnetization: height (H) direction; Possible magnetization: length (L) and width (W) direction

 

  
Inquires: please submit your request by email or fax it to 516-776-9353.
 

Disc and Cylinder Magnets

Disc and Cylinder

Recommended Sizes of Disc & Cilinder Magnets
 
Dimensions Min. Max.
Length (mm) 1.2 200
Heigh (mm) 0.5 35

Standard magnetization: height (H) direction; Possible magnetization: diameter direction

 
 
Inquires: please submit your request by email or fax it to 516-776-9353.
 

Ring Magnets

NdFeB Rings

 Recommended Sizes of Ring Magnets
 
Dimensions Min. Max.
Outside Diameter (mm) 2.6 160
Inside Diameter (mm) 1.8 140
Height (mm) 0.5 50

Standard magnetization: height (H) direction; Possible magnetization: diameter direction

 

 
Inquires: please submit your request by email or fax it to 516-776-9353.
 

Magnetic Balls

 Recommended Sizes of Magnet Balls
 
Dimensions Min. Max.
Length (mm) 4.50 30.0

Standard Magnetization: Diameter direction (D)

 

 
Fast-quote
sales@bbautomacao.com
 to receive a quotation within 48 hours!

Segment & other irregular shapes can be manufactured according to customer's sample or drawing/blue print

Full Magnetic Properties Table of Sintered NdFeB Magnets

Neodymium magnet for sale

Grade Max.
working
Temp.		 Remanence Coercivity Intr. Coercivity Max. Energy Product
Br(T) Br(kGs) bHc(kA/m) bHc(kOe) iHc
(kA/m)		 iHc
(kOe)		 (BH)max
(KJ/m3)

 

 (BH)max
(MGOe)
Nom Min Nom Min Nom Min Nom Min Nom Min Nom Min
N30 80 1.12 1.08 11.2 10.8 836 780 10.5 9.8 955 12 239 223 30 28
N33 80 1.17 1.14 11.7 11.4 876 820 11.0 10.3 955 12 263 247 33 31
N35 80 1.21 1.17 12.1 11.7 915 860 11.5 10.8 955 12 279 263 35 33
N38 80 1.26 1.22 12.6 12.2 915 860 11.5 10.8 955 12 303 287 38 36
N40 80 1.29 1.26 12.9 12.6 876 836 11.0 10.5 955 12 318 303 40 38
N42 80 1.30 1.27 13.0 12.7 876 836 11.0 10.5 955 12 334 318 42 40
N45 80 1.38 1.32 13.8 13.2 924 876 11.6 11.0 955 12 366 342 46 43
N48 80 1.42 1.38 14.2 13.8 890 835 11.19 10.5 876 11 390 366 49 46
N50 80 1.47 1.41 14.7 14.1 1035 829 13.0 10.5 876 11 414 382 52 48
N30M 100 1.12 1.08 11.2 10.8 836 780 10.5 9.8 1114 14 239 223 30 28
N33M 100 1.17 1.14 11.7 11.4 876 820 11.0 10.3 1114 14 263 247 33 31
N35M 100 1.21 1.17 12.1 11.7 915 860 11.5 10.8 1114 14 279 263 35 33
N38M 100 1.26 1.22 12.6 12.2 915 860 11.5 10.8 1114 14 303 287 38 36
N40M 100 1.29 1.26 12.9 12.6 915 860 11.5 10.8 1114 14 318 303 40 38
N42M 100 1.32 1.28 13.2 12.8 1010 955 12.7 12.0 1114 14 342 318 43 40
N45M 100 1.38 1.32 13.8 13.2 1050 994 13.2 12.5 1114 14 366 334 46 42
N48M 100 1.43 1.37 14.3 13.7 1090 1035 13.7 13.0 1120 14 392 360 49 45
N50M 100 1.47 1.41 14.7 14.1 1138 1043 14.3 13.1 1114 14 414 382 52 48
N27H 120 1.06 1.02 10.6 10.2 796 740 10.0 9.3 1353 17 215 199 27 25
N30H 120 1.12 1.08 11.2 10.8 836 780 10.5 9.8 1353 17 239 223 30 28
N33H 120 1.17 1.14 11.7 11.4 876 820 11.0 10.3 1353 17 263 247 33 31
N35H 120 1.21 1.17 12.1 11.7 915 860 11.5 10.8 1353 17 279 263 35 33
N38H 120 1.26 1.22 12.6 12.2 955 915 12.0 11.5 1353 17 303 287 38 36
N40H 120 1.28 1.24 12.8 12.4 955 915 12.0 11.5 1353 17 334 311 42 39
N42H 120 1.32 1.28 13.2 12.8 1010 955 12.7 12.0 1353 17 342 318 43 40
N45H 120 1.36 1.32 13.6 13.2 1050 1000 13.2 12.5 1360 17 376 344 47 43
N27SH 150 1.06 1.02 10.6 10.2 796 740 10.0 9.3 1595 20 215 199 27 25
N30SH 150 1.12 1.08 11.2 10.8 836 780 10.5 9.8 1595 20 239 223 30 28
N33SH 150 1.17 1.14 11.7 11.4 876 820 11.0 10.3 1595 20 263 247 33 31
N35SH 150 1.21 1.17 12.1 11.7 915 860 11.5 10.8 1595 20 279 263 35 33
N38SH 150 1.26 1.22 12.6 12.2 924 870 11.6 10.9 1595 20 311 286 39 36
N40SH 150 1.28 1.24 12.8 12.4 989 939 12.4 11.8 1592 20 326 302 41 38
N42SH 150 1.35 1.30 13.5 13.0 1013 963 12.7 12.0 1600 20 344 312 43 39
N44SH 150 1.37 1.32 13.7 13.2 >=963 >=12.1 1600 20 358 326 45 41
N25UH 180 1.02 0.98 10.2 9.8 764 732 9.6 9.2 1990 25 199 183 25 23
N28UH 180 1.08 1.04 10.8 10.4 812 780 10.2 9.8 1990 25 223 207 28 26
N30UH 180 1.10 1.08 11.0 10.8 812 780 10.2 9.8 1990 25 247 223 31 28
N33UH 180 1.17 1.13 11.7 11.3 836 804 10.5 10.1 1990 25 270 247 34 31
N35UH 180 1.22 1.17 12.2 11.7 891 836 11.2 10.5 1990 25 279 263 35 33
N38UH 180 1.29 1.21 12.9 12.1 >915 >11.6 1990 25 318 287 40 36
N40UH 180 1.32 1.25 13.2 12.5 >836 >10.5 1990 25 334 303 42 38
N27EH 200 1.08 1.02 10.8 10.2 784 752 9.8 9.4 2388 30 223 191 28 25
N28EH 200 1.09 1.04 10.9 10.4 825 780 10.4 9.8 2388 30 231 207 29 26
N30EH 200 1.13 1.08 11.3 10.8 804 772 10.1 9.7 2388 30 247 223 31 28
N33EH 200 1.18 1.14 11.8 11.4 885 835 11.1 10.5 2400 30 272 248 34 31
N35EH 200 1.25 1.18 12.5 11.8 >875 >11.0 2388 30 295 263 37 33
N28AH 240 1.08 1.04 10.8 10.4 828 796 10.4 10.0 2785 35 223 207 28 26
N30AH 240 1.12 1.08 11.2 10.8 851 828 10.7 10.4 2785 35 239 223 30 28
N35AH 240 1.17 1.14 11.7 11.4 891 867 11.2 10.9 2785 35 263 247 33 31
N35AH 240 1.21 1.17 12.1 11.7 915 860 11.5 10.8 2785 35 271 247 34 31

 

Custom-made NdFeB Magnets

BB Automacao supplies various kinds of sintered NdFeB magnets in specific sizes and shapes according to your requirements. You may also customize characteristics of their magnets. Shapes can be discs, rings, blocks, slabs, cylinders, tiles and other specific shapes.

Supermagnets

neomagnet

Once you have your magnet specification ready, please contact us. Our engineers will design optimal magnets to satisfy your specific needs. The following information can help you to finish your inquiry.

rare earth