Product Details
Place of Origin: China
Brand Name: UNMAG
Payment & Shipping Terms
Minimum Order Quantity: 100pcs
Price: As negotiation
Packaging Details: cartons,pallets
Delivery Time: 20-25days
Payment Terms: T/T L/C
Supply Ability: 100 tons per month for NdFeB magnet
Material: |
NdFeB |
Size: |
D 40/23 Mm, Height 6 Mm |
Shape: |
Ring |
Tolerance: |
±0.1mm |
Coating: |
Nickel-plated (Ni-Cu-Ni) |
Direction Of Magnetization: |
Thru Thickness |
Max. Working Temperature: |
80°C |
Product Name: |
3 Inch Ring Magnets, 4 Pole Ring Magnet |
Material: |
NdFeB |
Size: |
D 40/23 Mm, Height 6 Mm |
Shape: |
Ring |
Tolerance: |
±0.1mm |
Coating: |
Nickel-plated (Ni-Cu-Ni) |
Direction Of Magnetization: |
Thru Thickness |
Max. Working Temperature: |
80°C |
Product Name: |
3 Inch Ring Magnets, 4 Pole Ring Magnet |
D 40/23 Mm, Height 6 Mm Silver Neodymium Magnet For Industrial Magnet
Product Description
Neodymium Iron Boron (NdFeB) or Neodymium magnets are extremely strong for their size. Shapes include rings,
blocks, discs and custom. To prevent unwanted oxidation, neodymium magnets are usually finished with a zinc,
nickel or epoxy coating.Manufacturing - In general, the elements are melted together and milled into a powder
that is dry-pressed to shape in the presence of a magnetic field.
The material is then sintered, ground to dimension, magnetized and tested. They are called “rare earth” magnets
because the elements of neodymium are classified as such in the lanthanides section of the Periodic Table of the Elements.
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Product name |
High Quality N35 N52 Magnet Neodymium Magnet Strong Magnetic Ring Magnet |
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Material |
NdFeB (Neodymium Magnet) |
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Size |
Customized according to customer requirements |
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Shape |
Disc, Cylinder, Block, Ring, Countersunk, Segment, Trapezoid, Irregular shapes and more. Customized shapes for Rare Earth Magnets are available. |
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Grade |
N33-N55, N35M-N50M, N35H-N52H, N35SH-N52SH, N35UH-N45UH, N35EH-N42EH |
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Working Temperature |
N:≤80ºC(176ºF); M:≤100ºC(212ºF); H:≤120ºC(248ºF); SH:≤150ºC(302ºF); UH:≤180ºC(356ºF); EH:≤200ºC(392ºF) |
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Coating |
Ni-Cu-Ni, Nickel, Zn, Gold, Silver, Copper, Epoxy, Chemical, PTFE, Parylene, Everlube, Passivation and more. |
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Magnetization direction |
Thickness, Length, Axially, Diametre, Radially, Multipolar |
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Tolerance |
±0.05MM - ±0.01MM |
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Applications |
Neodymium Rare Earth Permanent Magnets are widely used in motors, sensors, speakers, rotors, alarms, microphones, wind turbines/wind generators, and so on. |
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Packaging |
Antimagnetic Packaging / Neutral Packing / Custom-make welcome |
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Physical Properties
|
Parameter Name |
Parameter Values |
Unit |
|
Curie Temperature |
310～380 |
℃ |
|
Relative Recoil Permeability |
1.02～1.05 |
|
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Reversible Temperature Coefficient of Br (20~100℃) |
-0.09～-0.13 |
%/℃ |
|
Reversible Temperature Coefficient of Hcj (20~100℃) |
-0.4～-0.7 |
%/℃ |
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Density |
7.50～7.70 |
g/cm3 |
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Vickers Hardness |
550～700 |
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Bending Strength |
-0.09～-0.13 |
MPa |
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Tensile Strength |
≥80 |
MPa |
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Compressive Strength |
800 ~1050 |
MPa |
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Electric Resistivity |
150 |
μΩ·cm |
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Thermal Conductivity |
8～10 |
W/(M·℃) |
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Coefficient of Thermal Expansion |
5 |
10-6/K |
|
Coefficient of Thermal Expansion |
-1.5 |
10-6/K |
|
Young's Modulus |
150～200 |
GPa |
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Specific Heat(20℃～320℃) |
3.0～4.6 |
J/(g·k) |
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weight loss(low weight loss products) |
≤2 |
mg/cm2 |
Tolerance Control |
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Inner diameter(mm) |
Tolerance(mm) |
Coaxiality(mm) |
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D≤10 |
±0.04 |
0.06 |
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10<D≤30 |
±0.05 |
0.08 |
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30<D≤50 |
±0.06 |
0.1 |
|
50<D≤80 |
±0.08 |
0.12 |
|
D>80 |
±0.1 |
0.15 |
Available size: D:φ3~260mm,T: 1~50mm,d:1~220mm
RFQ
1. Do SCG Compant supply permanent magnets with standard sizes?
No. SCG accept OEM considering our many years experience in serving our customers, because different have different requirement in grade, size, coating, tolerance etc.
2. Can I have a free sample of your magnets?
SCG will provide free sample if the sizes in stock, otherwise, we will charge the sample cost which will be returned to our clients after the order confirmed.
3. How long will it take to receive your price quotation?
Usually it takes 1- 2working days.
4. What is your lead-time after I place a purchase order?
Usually take 1 week for usual size. If it is needed to make a mould, it may take a little longer.
5. What kind of payment do you accept?
Company’s checks, TT, LC, Paypal, Western Union
