NdFeB Magnet

The NdFeB magnet is a magnet of a kind, NdFeB magnet and fridge magnet Compare than, the NdFeB magnet have what fridge the magnet has no a characteristics, therefore it is good that NdFeB magnet is a magnet inside

NdFeB Magnet Characteristics GRADE Remanence      Normal Coercivity      Intrinsic Coercivity Maxinum Energy Product ¡¡ Br Hcb Hcj BHmax T G kA/m kOe kj/m3 MGOe N27 1.02-1.06 10200-10600 740-796 9.3-10.0 S¡¢U¡¢E¡¢Z 199-215 25-27 N28 1.06-1.11 10600-11000 796-835 10.0-10.5 U¡¢E¡¢Z 215-239 27-30 N30 1.08-1.15 10800-11500 755-850 9.5-10.7 (N)¡¢M¡¢H¡¢S 220-245 28-31 N33 1.13-1.17 11300-11700 795-915 10.0-11.5 (N)¡¢M¡¢H¡¢S¡¢U 245-260 31-33 N35 1.19-1.22 11900-12200 860-915 10.8-11.5 (N)¡¢M¡¢H¡¢S 271-287 34-36 N38 1.24-1.27 12400-12700 875-987 11.0-12.4 (N)¡¢H¡¢S 295-310 37-39 N40 1.28-1.32 12800-13200 947-1020 11.9-12.8 (N)¡¢H 310-326 39-41 N42 1.3-1.34 13000-13400 947-1036 11.9-13.0 (N)¡¢M¡¢H 326-342 41-43 N45 1.33-1.38 13300-13800 836-1011 10.5-12.7 (N) 344-376 43-47 N48 1.38-1.44 13800-14400 820-1035 10.5-13.0 (N)¡¢M 376-408 47-49 N50 1.41-1.47 14100-14700 820-1035 10.5-13.0 (N) 408-434 49-52 £¨N£© M H S U E Z Hcj kA/m 955 1114 1353 1595 1990 2153 2392 kOe 12 14 17 20 25 27 30 Hcb kA/m 755-1011 780-987 740-1036 740-987 796-915 836-915 795-835 kOe 9.5-12.7 9.8-12.2 9.3-13.0 9.3-12.4 10.0-11.5 10.5-11.5 10.0-10.5 Tmax    ¡æ 80 100 120 150 180 200 220 (L/D=0.7,Cylinder)The open flux irreversible loss of the testing sample at this temperature:¡Ü5%. Other Physical Properties   Temp.coeff.of Br: -0.11%¡æ Temp.coeff.of Hcj: -0.60%¡æ  Density: 7.4g/cm3 Electrical Resistivity: 144¦Ì¦¸.cm  Vickers Hardness: 600Hv Flexural Strength: 25kg/mm  Tensile Strength 8.0kg/mm2 Coeff.of Thermal Expansion: 4x10-b/¡æ  Specific Heat: 0.12kCal/(kg.¡æ) Thermal Conductivity: 7.7kcal/(m.h.¡æ)  Young's Modullus: 1.6x1011N/m2 Rigidity: 064N/m2  Poisson's Ratio: 0.24 Compressibility: 9.8x10-12m2/N  Curie Temperature: 310-340¡æ Relative recoil permeability¦Ìrev 1.05  Surface Threatment Method   Spray Coating Epoxy Resin Nikel Plating Zine Plating Tin Plating  Teflon  Gold  Phosphatize Surface Threatment Result Show Phosphatised Magnets Zinc-Coated Magnets Nickel-Coated Magnets Epoxide-coated Magnets Permeance Coefficient Picture 32EH 38SH 41H N46

NdFeB Magnet [prodyct info.....]

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