Country/Region | china |
---|---|
Company | SHANGHAI COSMO-LINK INTERNATIONAL TRADING Co., LTD, |
Categories | Rare Earth Materials |
Telephone | +86-021-3636 2892 |
ICP License | Issued by the Chinese Ministry |
Rare Earth Permanent Magnet
For windmill, EV, electric motor, power tools, communications, high-end sound systems, lightings, fluorescence etc.
Main Product:
Sintered NdFeB magnets and rare earth materials.
Main Material:
Nd, Fe and B-Fe
*Our advantage: Supported by the largest production base for magnetic products of
China, the raw material of the rare earth permanent magnet is
supplied the own mine Different Shape: Block, Ring, Disc, Arcs with surface treating of Zinc, Ni, Ni-CuNi
and Epoxy. It also can be produced according to customer’s request. Technical Properties: | ||||||||||||||
Properties | Unit | Value | ||||||||||||
Reversible Temperature coefficient of Br (20~100℃) | %/℃ | -0.09~-0.12 | ||||||||||||
Reversible Temperature coefficient of Hcj (20~100℃) | %/℃ | -0.50~-0.65 | ||||||||||||
Curie Temperature | ℃ | 310-340 | ||||||||||||
Recoil Magnetic Permeability | 1.03~1.05 | |||||||||||||
Density | g/cm3 | 7.4~7.6 | ||||||||||||
Specific Resistance | ..cm | 150 | ||||||||||||
Vickers hardness | Hv | 600 | ||||||||||||
Bending Strength | N/mm2 | 250 | ||||||||||||
Tensile Strength | N/mm2 | 80 | ||||||||||||
Compressive Strength | N/mm2 | 1050 | ||||||||||||
Modulus of Elasiticity | N/mm2 | 1.6 x 105 | ||||||||||||
Thermal Expansion | 10-6/℃ | 5 (horizontal) | ||||||||||||
10-6/℃ | -1.5 (vertical) | |||||||||||||
Thermal Conductivity | W/(m. ℃) | 9 | ||||||||||||
Specific Heat | J/(kg. ℃) | 460 | ||||||||||||
Selected Typical Technic Data | ||||||||||||||
grade | Br | Hcb | Hcj | (BH)max | Br | Hcj | Tw | |||||||
T | kGs | kA/m | kOe | kA/m | kOe | kJ/m3 | MGOe | %/℃ | %/℃ | ℃ | g/cm3 | |||
N52 | 1.42-1.48 | 14.2-14.8 | ≥836 | ≥10.5 | ≥876 | ≥11 | 389-422 | 49-53 | -0.12 | -0.65 | 80 | ≥7.5 | ||
N30 | 1.08-1.12 | 10.8-11.2 | ≥796 | ≥10.0 | ≥955 | ≥12 | 223-239 | 28-30 | -0.12 | -0.65 |
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