6 x 2 x 2mm China Factory Ring Magnet N48 Golden Technical Specifications:
Item: NRN48-6-2-2-G
Grade: N48
Material: Neodymium (NdFeB)
Plating: Gold (Au)
Shape: Ring
Dimension:
Outside Dia (D): 6 mm
Inner (d): 2 mm
Height (H): 2 mm
Tolerance: ±0.05 mm
Magnetisation Direction: Axial / Radial
Residual Magnetic Flux Density (Br): 1380-1420 mT (13.8-14.2 kGs)
Energy Density (BH)max: 366-390 KJ/m³ (46-49 MGOe)
Coercivity Force (Hcb): ≥ 923 kA/m ( ≥ 11.6 kOe)
Intrinsic Coercivity Force (Hcj): ≥ 876 kA/m ( ≥ 12 kOe)
Maximum Operation Temperature: 80 °C
Delivery Time: 14-35 days
Neodymium ring, small and golden, suitable to design jewelry (although not to be called ‘nickel-free’ the nickel coat is covered by the golden one). All rings can be fastened by a nail or screw through their middle hole – but becareful: Do not spoil coating. Neodymium magnets must not be rasped or sawed – if their coating is not intact they will corrode. Neodymium magnets are made of neodymium, iron and boron and are the strongest raw magnets. For more information please click here: facts about magnetism; safety precautions.
Permanent Rare Earth NdFeB Neodymium Ring Magnets
NdFeB magnets can be used at temperatures down to -200 degrees C (it can be used in liquid nitrogen). NdFeB magnets can be used at temperatures up to +80 degrees C for most of the standard grades of NdFeB (N50, N52 versions are rated to +60 degrees C) and can be used at temperatures getting up towards +230 degrees C when using the higher temperature rated grades of NdFeB. The magnet grade choice, magnet shape, magnetic circuit and the environmental conditions all affect the actual magnetic performance from a NdFeB magnet. Our technical support can help you specify the best NdFeB magnet for your requirements and we can then supply that magnet.
NdFeB magnets are readily available and the NdFeB and SmCo magnets are produced in several hundreds of tonnes each year globally.
Standard NdFeB:-
Nxx – up to +80 degrees C maximum
NxxM – up to +100 degrees C maximum
NxxH – up to +120 degrees C maximum
NxxSH – up to +150 degrees C maximum
NxxUH – up to +180 degrees C maximum
NxxEH – up to +200 degrees C maximum
NxxVH/AH – up to +230 degrees C maximum
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