NdFeB MAGNET

Home product NdFeB MAGNET

PRODUCT PROPERTIES

Remarks: Dy/Tb=0, All grades are Holmium-free (Ho Free)

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 14.7 876 11 836 10.5 454 414 57 52 7.50 1.05 -0.12 -0.76 80
N54 1.49 1.45 14.9 14.5 955 12 836 10.5 437 406 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
56M 1.50 1.46 15.0 14.6 1035 14 995 12.5 446 406 56 51 7.50 1.05 -0.12 -0.68 100
54M 1.49 1.44 14.9 14.4 1114 14 1035 13.0 438 398 55 50 7.50 1.05 -0.12 -0.68 100
52M 1.46 1.42 14.6 14.2 1114 14 1035 13.0 422 382 53 48 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
56H 1.49 1.46 14.9 14.6 1274 16 1107 13.9 438 406 55 51 7.5 1.05 -0.12 -0.68 120
54H 1.48 1.44 14.8 14.4 1353 17 1092 13.7 430 398 54 50 7.5 1.05 -0.12 -0.66 120
52H 1.46 1.42 14.6 14.2 1353 17 1059 13.3 422 382 53 49 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
52SH 1.45 1.42 14.5 14.2 1592 20 1076 13.5 422 390 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
50SHT 1.42 1.39 14.2 13.9 1751 22 1043 13.1 406 374 51 47 7.5 1.04 -0.115 -0.53 160
48SHT 1.40 1.36 14 13.6 1751 22 1027 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
48UH 1.38 1.35 13.8 13.5 1910 24 1027 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
45UHT 1.36 1.32 13.6 13.2 2149 27 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
44EH 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 30 971 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 2468 31 971 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
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 3182 40 867 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
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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.

Grain boundary diffusion(GBD) magnet grade

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 %/℃ %/℃
GC-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
GC-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
G-56SH 1.51 1.46 15.1 14.6 1592 20 1107 13.9 438 406 55 51 7.5 1.04 -0.115 -0.56 150
G-54SH 1.49 1.44 14.9 14.4 1592 20 1075 13.5 430 398 54 50 7.50 1.04 -0.115 -0.56 150
G-52SH 1.46 1.42 14.6 14.2 1592 20 1059 13.3 422 390 53 49 7.50 1.04 -0.115 -0.56 150
G/GC-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
G/GC-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
G/GC-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
G-54SHT 1.48 1.44 14.8 14.4 1751 22 1075 13.5 430 398 54 50 7.5 1.04 -0.115 -0.53 160
G-52SHT 1.46 1.42 14.6 14.2 1751 22 1059 13.3 422 390 53 49 7.50 1.04 -0.115 -0.53 160
G/GC-50SHT 1.42 1.39 14.2 13.9 1751 22 1043 13.1 406 374 51 47 7.50 1.04 -0.115 -0.53 160
G/GC-48SHT 1.40 1.36 14.0 13.6 1751 22 1031 12.9 390 358 49 45 7.50 1.04 -0.115 -0.53 160
G/GC-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
GC-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
G-54UH 1.47 1.44 14.7 14.4 1990 25 1092 13.7 430 408 54 51 7.55 1.03 -0.11 -0.50 180
G-52UH 1.44 1.42 14.6 14.2 1990 25 1059 13.3 414 390 52 49 7.55 1.03 -0.11 -0.50 180
G-50UH 1.42 1.39 14.2 13.9 1990 25 1043 13.1 406 374 51 47 7.55 1.03 -0.11 -0.50 180
G-48UH 1.40 1.36 14.0 13.6 1990 25 1031 12.9 390 358 49 45 7.55 1.03 -0.11 -0.50 180
G-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
G/GC-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
G/GC-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
G/GC-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
G-52UHT 1.46 1.42 14.6 14.2 2149 26 1059 13.0 422 390 53 49 7.55 1.03 -0.11 -0.48 190
G-50UHT 1.42 1.39 14.2 13.9 2149 27 1043 13.1 406 374 51 47 7.55 1.03 -0.11 -0.48 190
G-48UHT 1.40 1.36 14.0 13.6 2149 27 1031 12.9 390 358 49 45 7.55 1.03 -0.11 -0.48 190
G-45UHT 1.36 1.32 13.6 13.2 2149 27 1003 12.6 366 342 46 43 7.55 1.03 -0.11 -0.48 190
G-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
G-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
G-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
G-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
G-50EH 1.42 1.39 14.2 13.9 2308 29 1043 13.1 406 374 51 47 7.60 1.03 -0.10 -0.45 200
G-48EH 1.40 1.36 14.0 13.5 2388 30 1031 12.9 390 358 49 45 7.60 1.03 -0.10 -0.45 200
G-45EH 1.36 1.32 13.6 13.2 2388 30 1003 12.6 366 342 46 43 7.60 1.03 -0.10 -0.45 200
G-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
G-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
G-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
G-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
G-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
G-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
G-48EHT 1.40 1.36 14.0 13.5 2547 32 1031 12.9 390 358 49 45 7.60 1.03 -0.10 -0.45 210
G-45EHT 1.36 1.32 13.6 13.2 2547 32 1003 12.6 366 342 46 43 7.60 1.03 -0.10 -0.45 210
G-42EHT 1.32 1.28 13.2 12.8 2547 32 970 12.2 342 318 43 40 7.60 1.03 -0.10 -0.45 210
G-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
G-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
G-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
G-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
G-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
G-45AH 1.36 1.32 13.6 13.2 2640 33 1003 12.6 366 342 46 43 7.60 1.03 -0.10 -0.45 230
G-42AH 1.32 1.28 13.2 12.8 2706 34 970 12.2 342 318 43 40 7.60 1.03 -0.10 -0.45 230
G-40AH 1.28 1.25 12.8 12.5 2786 35 947 11.9 326 302 41 38 7.60 1.03 -0.10 -0.45 230
G-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
G-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
G-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
G-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
G-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
G-40TH 1.28 1.25 12.8 12.5 3182 40 947 11.9 326 302 41 38 7.60 1.03 -0.10 -0.42 250
G-38TH 1.25 1.22 12.5 12.2 3182 40 915 11.5 310 287 39 36 7.60 1.03 -0.10 -0.42 250
G-35TH 1.22 1.17 12.2 11.7 3182 40 867 10.9 287 263 36 33 7.60 1.03 -0.10 -0.42 250
G-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
G-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
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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

DEMAGNETIZATION CURVE

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

Service Hotline

0086 (0)572-59070820086 (0)21-52668919

Service time: Monday to Friday 8:30-17:30

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