NDFEB MAGNET

NDFEB MAGNET

Product PROPERTIES

View Product Properties Table
Grade Remanence Intrinic Coercivity Coercivity Max Energy Product Density recoil permeability Temperature Coefficient Max Working Temperature
T kGs kA/m kOe kA/m kOe kJ/m3 MGOe g/cm3 αBr αHcj ℃(L/D=0.7)
Max Min Max Min Min Min Min Min Max Min Max Min Min %/℃ %/℃
N56 1.51 1.47 15.1 14.7 796 10 836 10.5 446 414 56 52 7.50 1.05 -0.12 -0.76 80
N54 1.49 1.45 14.9 14.5 876 11 836 10.5 438 406 55 51 7.50 1.05 -0.12 -0.76 80
N52 1.46 1.42 14.6 14.2 955 12 836 10.5 422 390 53 49 7.50 1.05 -0.12 -0.76 80
N50 1.44 1.39 14.4 13.9 955 12 860 10.8 406 374 51 47 7.50 1.05 -0.12 -0.76 80
N48 1.43 1.37 14.3 13.7 955 12 860 10.8 390 358 49 45 7.50 1.05 -0.12 -0.76 80
N45 1.37 1.32 13.7 13.2 955 12 860 10.8 366 342 46 43 7.50 1.05 -0.12 -0.76 80
N42 1.32 1.28 13.2 12.8 955 12 860 10.8 342 318 43 40 7.50 1.05 -0.12 -0.76 80
N40 1.28 1.25 12.8 12.5 955 12 860 10.8 326 302 41 38 7.50 1.05 -0.12 -0.76 80
N38 1.25 1.22 12.5 12.3 955 12 860 10.8 310 287 39 36 7.50 1.05 -0.12 -0.76 80
N35 1.22 1.17 12.2 11.7 955 12 860 10.8 287 263 36 33 7.50 1.05 -0.12 -0.76 80
N33 1.17 1.13 11.7 11.3 955 12 836 10.5 271 247 34 31 7.50 1.05 -0.12 -0.76 80
N30 1.13 1.08 11.3 10.8 955 12 796 10.0 247 223 31 28 7.50 1.05 -0.12 -0.76 80
56M 1.50 1.47 15.0 14.7 1035 13 995 12.5 438 406 55 51 7.50 1.05 -0.12 -0.68 100
54M 1.49 1.44 14.9 14.4 1114 14 995 12.5 430 398 54 50 7.50 1.05 -0.12 -0.68 100
52M 1.46 1.42 14.6 14.2 1114 14 1035 13.0 422 390 53 49 7.50 1.05 -0.12 -0.68 100
50M 1.44 1.39 14.4 13.9 1114 14 1035 13.0 406 374 51 47 7.50 1.05 -0.12 -0.68 100
48M 1.42 1.37 14.2 13.7 1114 14 1027 12.9 390 358 49 45 7.50 1.05 -0.12 -0.68 100
45M 1.37 1.32 13.7 13.2 1114 14 995 12.5 366 342 46 43 7.50 1.05 -0.12 -0.68 100
42M 1.32 1.28 13.2 12.8 1114 14 955 12.0 342 318 43 40 7.50 1.05 -0.12 -0.68 100
40M 1.28 1.25 12.8 12.5 1114 14 923 11.6 326 302 41 38 7.50 1.05 -0.12 -0.68 100
38M 1.25 1.22 12.5 12.3 1114 14 899 11.3 310 287 39 36 7.50 1.05 -0.12 -0.68 100
35M 1.22 1.17 12.2 11.7 1114 14 868 10.9 287 263 36 33 7.50 1.05 -0.12 -0.68 100
33M 1.17 1.13 11.7 11.3 1114 14 836 10.5 271 247 34 31 7.50 1.05 -0.12 -0.68 100
30M 1.13 1.08 11.3 10.8 1114 14 796 10.0 247 223 31 28 7.50 1.05 -0.12 -0.68 100
54H 1.49 1.44 14.9 14.4 1273 16 1059 13.3 430 398 54 50 7.50 1.05 -0.12 -0.66 120
52H 1.46 1.42 14.6 14.2 1353 17 1059 13.3 422 382 53 48 7.50 1.05 -0.12 -0.66 120
50H 1.44 1.39 14.4 13.9 1353 17 1043 13.1 406 374 51 47 7.50 1.05 -0.12 -0.66 120
48H 1.42 1.36 14.2 13.6 1353 17 1027 12.9 390 358 49 45 7.50 1.05 -0.12 -0.66 120
45H 1.37 1.32 13.7 13.2 1353 17 995 12.5 366 342 46 43 7.50 1.05 -0.12 -0.66 120
42H 1.32 1.28 13.2 12.8 1353 17 955 12.0 342 318 43 40 7.50 1.05 -0.12 -0.66 120
40H 1.28 1.25 12.8 12.5 1353 17 923 11.6 326 302 41 38 7.50 1.05 -0.12 -0.66 120
38H 1.25 1.22 12.5 12.3 1353 17 899 11.3 310 287 39 36 7.50 1.05 -0.12 -0.66 120
35H 1.22 1.17 12.2 11.7 1353 17 868 10.9 287 263 36 33 7.50 1.05 -0.12 -0.66 120
33H 1.17 1.13 11.7 11.3 1353 17 836 10.5 271 247 34 31 7.50 1.05 -0.12 -0.66 120
30H 1.13 1.08 11.3 10.8 1353 17 796 10 247 223 31 28 7.50 1.05 -0.12 -0.66 120
52SH 1.46 1.42 14.6 14.2 1512 19 1059 13.3 422 390 53 49 7.50 1.04 -0.115 -0.56 150
50SH 1.42 1.39 14.2 13.9 1592 20 1043 13.1 406 374 51 47 7.50 1.04 -0.115 -0.56 150
48SH 1.40 1.36 14.0 13.6 1592 20 1035 13.0 390 358 49 45 7.50 1.04 -0.115 -0.56 150
45SH 1.37 1.32 13.7 13.2 1592 20 995 12.5 366 342 46 43 7.50 1.04 -0.115 -0.56 150
42SH 1.32 1.28 13.2 12.8 1592 20 955 12.0 342 318 43 40 7.50 1.04 -0.115 -0.56 150
40SH 1.28 1.25 12.8 12.5 1592 20 939 11.8 326 302 41 38 7.50 1.04 -0.115 -0.56 150
38SH 1.25 1.22 12.5 12.2 1592 20 907 11.4 310 287 39 36 7.50 1.04 -0.115 -0.56 150
35SH 1.22 1.17 12.2 11.7 1592 20 876 11.0 287 263 36 33 7.50 1.04 -0.115 -0.56 150
33SH 1.17 1.13 11.7 11.3 1592 20 844 10.6 271 247 34 31 7.50 1.04 -0.115 -0.56 150
30SH 1.13 1.08 11.3 10.8 1592 20 804 10.1 247 223 31 28 7.50 1.04 -0.115 -0.56 150
50SHT 1.42 1.39 14.2 13.9 1671 21 1043 13.1 406 374 51 47 7.50 1.04 -0.115 -0.53 160
48SHT 1.40 1.36 14 13.6 1751 22 1031 12.9 390 358 49 45 7.50 1.04 -0.115 -0.53 160
45SHT 1.37 1.32 13.7 13.2 1751 22 1003 12.6 366 342 46 43 7.50 1.04 -0.115 -0.53 160
42SHT 1.32 1.28 13.2 12.8 1751 22 971 12.2 342 318 43 40 7.50 1.04 -0.115 -0.53 160
40SHT 1.28 1.25 12.8 12.5 1751 22 947 11.9 326 302 41 38 7.50 1.04 -0.115 -0.53 160
38SHT 1.25 1.22 12.5 12.2 1751 22 923 11.6 310 287 39 36 7.50 1.04 -0.115 -0.53 160
35SHT 1.22 1.17 12.2 11.7 1751 22 884 11.1 287 263 36 33 7.50 1.04 -0.115 -0.53 160
33SHT 1.17 1.13 11.7 11.3 1751 22 860 10.8 271 247 34 31 7.50 1.04 -0.115 -0.53 160
30SHT 1.13 1.08 11.3 10.8 1751 22 812 10.2 247 223 31 28 7.50 1.04 -0.115 -0.53 160
48UH 1.40 1.36 14.0 13.6 1910 24 1031 12.9 390 358 49 45 7.55 1.03 -0.11 -0.50 180
45UH 1.36 1.32 13.6 13.2 1990 25 1003 12.6 366 342 46 43 7.55 1.03 -0.11 -0.50 180
42UH 1.32 1.28 13.2 12.8 1990 25 971 12.2 342 318 43 40 7.55 1.03 -0.11 -0.50 180
40UH 1.28 1.25 12.8 12.5 1990 25 923 11.6 326 302 41 38 7.55 1.03 -0.11 -0.50 180
38UH 1.25 1.22 12.5 12.2 1990 25 907 11.4 310 287 39 36 7.55 1.03 -0.11 -0.50 180
35UH 1.22 1.17 12.2 11.7 1990 25 860 10.8 287 263 36 33 7.55 1.03 -0.11 -0.50 180
33UH 1.17 1.13 11.7 11.3 1990 25 852 10.7 271 247 34 31 7.55 1.03 -0.11 -0.50 180
30UH 1.13 1.08 11.3 10.8 1990 25 812 10.2 247 223 31 28 7.55 1.03 -0.11 -0.50 180
45UHT 1.36 1.32 13.6 13.2 2069 26 1003 12.6 366 342 46 43 7.55 1.03 -0.11 -0.48 190
42UHT 1.32 1.28 13.2 12.8 2149 27 971 12.2 342 318 43 40 7.55 1.03 -0.11 -0.48 190
40UHT 1.28 1.25 12.8 12.5 2149 27 947 11.9 326 302 41 38 7.55 1.03 -0.11 -0.48 190
38UHT 1.25 1.22 12.5 12.2 2149 27 923 11.6 310 287 39 36 7.55 1.03 -0.11 -0.48 190
35UHT 1.22 1.17 12.2 11.7 2149 27 884 11.1 287 263 36 33 7.55 1.03 -0.11 -0.48 190
33UHT 1.17 1.13 11.7 11.3 2149 27 860 10.8 271 247 34 31 7.55 1.03 -0.11 -0.48 190
30UHT 1.13 1.08 11.3 10.8 2149 27 852 10.7 247 223 31 28 7.55 1.03 -0.11 -0.48 190
45EH 1.36 1.32 13.6 13.2 2308 29 1003 12.6 366 342 46 43 7.60 1.03 -0.10 -0.45 200
42EH 1.32 1.28 13.2 12.8 2388 30 970 12.2 342 318 43 40 7.60 1.03 -0.10 -0.45 200
40EH 1.28 1.25 12.8 12.5 2388 30 947 11.9 326 302 41 38 7.60 1.03 -0.10 -0.45 200
38EH 1.25 1.22 12.5 12.2 2388 30 915 11.5 310 287 39 36 7.60 1.03 -0.10 -0.45 200
35EH 1.22 1.17 12.2 11.7 2388 30 884 11.1 287 263 36 33 7.60 1.03 -0.10 -0.45 200
33EH 1.17 1.13 11.7 11.3 2388 30 860 10.8 271 247 34 31 7.60 1.03 -0.10 -0.45 200
30EH 1.13 1.08 11.3 10.8 2388 30 820 10.3 247 223 31 28 7.60 1.03 -0.10 -0.45 200
42EHT 1.32 1.28 13.2 12.8 2467 31 970 12.2 342 318 43 40 7.60 1.03 -0.10 -0.45 210
40EHT 1.28 1.25 12.8 12.5 2547 32 947 11.9 326 302 41 38 7.60 1.03 -0.10 -0.45 210
38EHT 1.25 1.22 12.5 12.2 2547 32 915 11.5 310 287 39 36 7.60 1.03 -0.10 -0.45 210
35EHT 1.22 1.17 12.2 11.7 2547 32 884 11.1 287 263 36 33 7.60 1.03 -0.10 -0.45 210
33EHT 1.17 1.13 11.7 11.3 2547 32 860 10.8 271 247 34 31 7.60 1.03 -0.10 -0.45 210
30EHT 1.13 1.08 11.3 10.8 2547 32 820 10.3 247 223 31 28 7.60 1.03 -0.10 -0.45 210
40AH 1.28 1.25 12.8 12.5 2706 34 947 11.9 326 302 41 38 7.60 1.03 -0.10 -0.45 230
38AH 1.25 1.22 12.5 12.2 2786 35 915 11.5 310 287 39 36 7.60 1.03 -0.10 -0.45 230
35AH 1.20 1.17 12.0 11.7 2786 35 883 11.1 287 263 36 33 7.60 1.03 -0.10 -0.45 230
33AH 1.17 1.11 11.7 11.1 2786 35 844 10.6 271 239 34 31 7.60 1.03 -0.10 -0.45 230
30AH 1.13 1.07 11.3 10.7 2786 35 812 10.2 247 215 31 27 7.60 1.03 -0.10 -0.45 230
28AH 1.09 1.02 10.9 10.2 2786 35 772 9.7 231 199 29 25 7.60 1.03 -0.10 -0.45 230
35TH 1.22 1.17 12.2 11.7 3102 39 867 10.9 287 263 36 33 7.60 1.03 -0.10 -0.42 250
33TH 1.17 1.11 11.7 11.1 3182 40 851 10.7 271 239 34 31 7.60 1.03 -0.10 -0.42 250
30TH 1.13 1.08 11.3 10.8 3182 40 820 10.3 247 223 31 28 7.60 1.03 -0.10 -0.42 250

Note: Temperature Coefficient calucalated by temperature range:Hcj<20kOe,ΔT:20-100℃;Hcj≥20kOe,ΔT:20-150℃,Please contact our sales staff for more demagnetization curve.

Mass produced magnets without heavy rare earths
Mass production magnets with low dysprosium and no terbium
Mass production magnets containing dysprosium and terbium

Electroplating capability

Coating Category Coating Abbreviation Color Coating Thickness
(μm)
Comparison of Coating’s Surface Protection capability Recommended Application Temperature
(℃)
Surface Tension
Neutral Salt Spray Test Humidity Heat Test PCT Test
Ni/Barrel Plating Ni Bright silver 10-20 ☆☆☆☆☆ ☆☆☆☆☆ ☆☆☆☆☆ ≤260 36
Ni/Rack Plating Ni Bright silver 10-20 ☆☆☆☆ ☆☆☆☆☆ ☆☆☆☆☆ ≤260 36
3+Cr Zn/Blue-White Zn/Barrel Plating Zn Blue&white 5-10 ☆☆☆☆ ☆☆☆ ☆☆☆ ≤160 38
3+Cr Zn/Blue-White Zn/Rack Plating Zn Blue&white 5-10 ☆☆☆ ☆☆☆ ☆☆☆
3+Cr Color Zn/Barrel Plating Color Zn Bright color 5-10 ☆☆☆ ☆☆☆ ☆☆☆
3+Cr Color Zn/Rack Plating Color Zn Bright color 5-10 ☆☆☆ ☆☆☆ ☆☆☆
Ni+Chemical Ni Barrel Plating Ni+Chemical Ni Dark silver 12-20 ☆☆☆☆☆ ☆☆☆☆☆ ☆☆☆☆ ≤200 36
Ni+Chemical Ni Rack Plating Ni+Chemical Ni Dark silver 12-20 ☆☆☆☆ ☆☆☆☆☆ ☆☆☆☆
Ni+Cr Ni+Cr Dark black 12-20 ☆☆☆☆ ☆☆☆☆☆ ☆☆☆☆☆ ≤260 36
Teflon Teflon dark grey ☆☆☆ ☆☆☆ ☆☆☆ ≤260 36
Ni+Black Ni Ni+Black Ni black 12-20 ☆☆☆☆☆ ☆☆☆☆☆ ☆☆☆☆☆
Ni+Sn Ni+Sn Bright silver 12-20 ☆☆☆☆ ☆☆☆☆☆ ☆☆☆☆☆ - 36
Ni+Ag Ni+Ag Silver 12-20 ☆☆☆☆ ☆☆☆☆☆ ☆☆☆☆☆ - 36
Ni+Au Ni+Au Golden 10-20 ☆☆☆☆ ☆☆☆☆☆ ☆☆☆☆☆ - 36
Epoxy EPOXY black 10-20 ☆☆☆☆☆ ☆☆☆☆☆ ☆☆☆☆ ≤160 36
Ni/NiCu+Epoxy NiCuNi/NiCu+EPOXY black 15-25 ☆☆☆☆☆ ☆☆☆☆☆ ☆☆☆ ≤160 36
Passivation/Phosphatization Phosphoric/Passivation dark grey 1-3 ≤240 37
Nano Coating Nano coating Light gray
black
15-30 ☆☆☆☆☆☆ ☆☆☆☆☆☆ ☆☆☆☆☆☆☆ ≤300 33

Remarks

1. SST Environment: 35±2℃,5%NaCl,PH=6.5-7.2,Salt spray sinking 1.5ml/Hr.

2. PCT Environment: 120±3℃,2-2.4atm, distilled water PH=6.7-7.2 , 100%RH

Please contact us for any special requests

production flow

  • 1
    raw material preparing
  • 2
    melting
  • 3
    Jet milling
  • 4
    Molding
  • 5
    sintering
  • 9
    magnetizing and packing
  • 8
    coating
  • 7
    machining
  • 6
    magnet property inspecting

magnetization

Physical properties of magnets at ambient temperature

  • density

    7.4-7.7g/cm3

  • hardness

    600-620HV

  • bending strength

    250-450MPa

  • compressive strength

    1000-1200Mpa

  • tensile strength

    ┴C Axle 300 -350MPa
    ‖C Axle 200-220MPa

  • impact strength

    2-10KJ/m2

  • breaking tenacity

    5Mpam1/2

  • Young’s Modulus

    150-160GPa

  • thermal conductivity

    5-6W·m-1·K-1

  • Specific heat

    0.44J·g-1·K-1

  • electrical resistance

    1.25Ω·mm2/m

Ask the Experts

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Tel:0086 (0)21 5266 8918
Email:info@cj-magnet.com

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