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Neodymium Disc Magnets N42 Axial Nickel Coating

Product ID NMD208
Material NdFeB
Shape Disc
Grade N42
Diameter 20mm
Thickness 8mm
Coating Nickel-Copper-Nickel
Magnetization Direction Through thickness
Tolerance ±0.05mm x ±0.05mm
Weight(g) 18.84
Max Operating Temp (°C / °F) 80 / 176
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Description of Neodymium Magnets N42 D20XH8mm Axial Nickel Coating

Grade N42
Dimension D20XH8mm
Coating Ni-Cu-Ni
Magnetzied direction Through thickness
Tolerance ±0.05mm
Weight 18.84g/pc
Temperature max 80°c
Package Vacuum bag + Box + Foam + Carton
Shipping Courier or Sea or Air

Neodymium magnets N42 grade with diameter 20mm and height of 8mm, it provides pulling force of 23.31lbs, with central gauss value of more than 4000. This magnet is applied under N series grade which the max working temperature is 80 °. The magnet coated with standard nickel with a thickness of round 20μm. Disc shape magnets are widely used in different applications from home decoration to automatic industry.

And we are able to provide this magnets from lower grade of N35 to higher grade of N38EH or even higher. Our standard production time for the magnets including package is 25days.

For some of our magnets which we have stock, we can send free sample to our clients and price for the magnet is always related with the final order quantity. Please feel free to contact us for your better choice of the customized magnets.

Application
Magnet Application

MAGNETIC PROPERTIES

Grade Residual Induction Br Coercive Force HcB Intrinsic Coercive Hcj Energy Product(BH)max Max Working Temp.
Kgs T KOe KA/m Koe KA/m MGOe KJ/m L/D≥0.7
Max Min Max Min Min Min Min Min Max Min Max Min
N35 12.30 11.80 1.23 1.18 ≥10.9 ≥868 ≥12 ≥955 36 33 287 263 ≤80
N38 12.60 12.30 1.26 1.23 ≥11.3 ≥899 ≥12 ≥955 39 36 311 287 ≤80
N40 12.90 12.60 1.29 1.26 ≥11.4 ≥907 ≥12 ≥955 41 38 327 302 ≤80
N42 13.30 12.90 1.33 1.29 ≥11.5 ≥915 ≥12 ≥955 43 40 342 318 ≤80
N45 13.70 13.30 1.37 1.33 ≥11.0 ≥876 ≥12 ≥955 46 43 366 342 ≤80
N48 14.10 13.70 1.41 1.37 ≥10.5 ≥836 ≥11 ≥876 49 45 390 358 ≤80
N50 14.50 14.00 1.45 1.40 ≥10.5 ≥836 ≥11 ≥876 51 47 406 374 ≤60
N52 14.80 14.30 1.48 1.43 ≥10.5 ≥836 ≥11 ≥876 53 49 422 390 ≤60
35M 12.30 11.80 1.23 1.18 ≥10.9 ≥868 ≥14 ≥1114 36 34 287 271 ≤100
38M 12.60 12.30 1.26 1.23 ≥11.3 ≥899 ≥14 ≥1114 39 36 311 287 ≤100
40M 12.90 12.60 1.29 1.26 ≥11.6 ≥923 ≥14 ≥1114 41 38 327 302 ≤100
42M 13.30 12.90 1.33 1.29 ≥12.0 ≥955 ≥14 ≥1114 43 40 342 318 ≤100
45M 13.70 13.30 1.37 1.33 ≥12.5 ≥995 ≥14 ≥1114 46 43 366 342 ≤100
48M 14.10 13.70 1.41 1.37 ≥12.9 ≥1027 ≥14 ≥1114 49 45 390 358 ≤100
50M 14.50 14.00 1.45 1.40 ≥13.0 ≥1033 ≥14 ≥1114 51 47 406 374 ≤100
35H 12.30 11.80 1.23 1.18 ≥10.9 ≥868 ≥17 ≥1353 36 33 287 263 ≤120
38H 12.60 12.30 1.26 1.23 ≥11.3 ≥899 ≥17 ≥1353 39 36 311 287 ≤120
40H 12.90 12.60 1.29 1.26 ≥11.6 ≥923 ≥17 ≥1353 41 38 327 302 ≤120
42H 13.30 12.90 1.33 1.29 ≥12.0 ≥955 ≥17 ≥1353 43 40 342 318 ≤120
45H 13.70 13.30 1.37 1.33 ≥12.3 ≥979 ≥17 ≥1353 46 43 366 342 ≤120
48H 14.10 13.70 1.41 1.37 ≥12.5 ≥995 ≥17 ≥1353 49 46 390 366 ≤120
35SH 12.30 11.80 1.23 1.18 ≥11.0 ≥876 ≥20 ≥1592 36 33 287 263 ≤150
38SH 12.60 12.30 1.26 1.23 ≥11.4 ≥907 ≥20 ≥1592 39 36 311 287 ≤150
40SH 12.90 12.60 1.29 1.26 ≥11.6 ≥939 ≥20 ≥1592 41 38 326 302 ≤150
42SH 13.30 12.90 1.33 1.29 ≥12.4 ≥987 ≥20 ≥1592 43 40 342 318 ≤150
45SH 13.70 13.20 1.37 1.32 ≥12.6 ≥1003 ≥20 ≥1592 46 42 366 334 ≤150
33UH 11.80 11.40 1.18 1.14 ≥10.7 ≥852 ≥25 ≥1989 34 31 271 247 ≤180
35UH 12.30 11.80 1.23 1.18 ≥10.8 ≥860 ≥25 ≥1989 36 33 287 263 ≤180
38UH 12.60 12.30 1.26 1.23 ≥11.3 ≥899 ≥25 ≥1989 39 36 311 287 ≤180
40UH 12.90 12.50 1.29 1.25 ≥11.3 ≥899 ≥25 ≥1989 41 38 326 302 ≤180
33EH 11.80 11.40 1.18 1.14 ≥10.3 ≥820 ≥30 ≥2388 34 31 271 247 ≤200
35EH 12.30 11.70 1.23 1.17 ≥10.5 ≥836 ≥30 ≥2388 36 33 287 263 ≤200
38EH 12.60 12.20 1.26 1.22 ≥11.3 ≥899 ≥30 ≥2388 39 35 311 287 ≤200