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Stepped magnets disc cylinder NdFeB

Home / Products / Neodymium Magnet Cylinder / Stepped magnets disc cylinder NdFeB
  • Stepped magnets disc cylinder NdFeB

Neodymium Magnet Cylinder

  • Stepped magnets disc cylinder NdFeB

Stepped magnets disc cylinder NdFeB

Disc-shaped design: The overall shape of the magnet is disc-shaped, with a flat circular bottom surface, which is easy to install and fix.

Step-shaped shape: The top of the magnet is designed to be stepped, gradually rising from the center to the edge. This design not only increases the beauty of the magnet, but also enables it to provide better magnetic circuit design in certain application scenarios.

Silver metallic luster: The surface of the magnet presents a silvery-white metallic luster, which is determined by the inherent properties of its internal metal components. This luster not only enhances the grade of the product, but also makes it more eye-catching.

Smooth and flat surface: The surface of the magnet is carefully polished and processed to present a smooth and flat appearance. This not only enhances the durability of the magnet, but also makes it less susceptible to damage or corrosion during use.

Cylindrical top with hole design (referring to the fourth magnet): In this series of magnets, a cylindrical top with hole magnet is specially designed. This design not only reduces the weight of the magnet, but also facilitates fixing or connection through the hole, increasing the flexibility of use.

Easy to install and use: The flat bottom surface and stepped design of the magnet make it easy to install and use. They can be easily embedded into various equipment and devices, and work well with other components to ensure that the performance of the equipment is fully utilized.

High-performance NdFeB material: All magnets are made of high-performance NdFeB material, which is known for its good magnetic properties and is a commonly used rare earth permanent magnet material on the market.

Stable magnetic properties: After strict process treatment and quality control, this series of magnets has stable magnetic properties and can maintain strong magnetic force in various harsh environments.

Strong corrosion resistance: The surface of the magnet is specially treated to improve its corrosion resistance and oxidation resistance, and extend its service life.

Inquiry

sales@tujinmagnet.com

Product Description:

Products show

  

  

Surface Coating & Corrosoin Resistance

  

Nickel(Ni-Cu-Ni) Zinc(Zn) Black Epoxy Gold

  

Type Color Plating Thickness Working
Temperature		 Advantage & Suitable Salt Spray Resistance
Nickel(NiCuNi) silver 20-30 um ≤200 high oxidation resistance, good glossiness, stable performance, long service life > 72 hrs
Zinc (Zn) blue white 10-20 um ≤160 suitable for low requirements for surface appearance & oxidation resistance > 48 hrs
Epoxy black 10-30 um ≤120 suitable for high anti-corrosion and strict atmospheric environment  > 96 hrs
Gold Gold 5-30 um ≤200 suitable for decoration accessories, gift box etc.  > 24 hrs

  

Tolerance

  

  

Standard Product D.OD ID L W H
<5mm ±0.1mm ±0.1mm ±0.1mm ±0.1mm ±0.1mm
<10mm ±0.1mm ±0.1mm ±0.1mm ±0.1mm ±0.1mm
<20mm ±0.1mm ±0.1mm ±0.1mm ±0.1mm ±0.1mm
<50mm ±0.1mm ±0.1mm ±0.1mm ±0.1mm ±0.1mm
<100mm ±0.15mm ±0.15mm ±0.15mm ±0.15mm ±0.15mm
>100mm ±0.2mm ±0.2mm ±0.2mm ±0.2mm ±0.2mm

  

Magnetization Direction

  

Disc&Cylinder-through Thickness Disc&Cylinder-through Diameter Spheres- through Diameter

Poles on the flat surfaces

  

Poles on the side surfaces
Block- through Thickness Block- through Length Arc- through Diamter

Poles on the larger flat surfaces

Poles on the smaller flat surfaces

Poles on outside&inside faces
Arc- through Length Ring- through Surfaces Ring- through Surfaces

Poles on outside&inside faces

Planar octupole magnetization

Planar quadrupole magnetization

  

Sintered NdFeB Magnetic Properties

  

Grade Remanence Coercive Force Intrinsic Coercivity Maximum Energy Working≤
Br(KG) Br(T) Hcb
(KOe)		   Hcb
(KA/m)		 Hcj
(KOe)		   Hcj
(KA/m)		 (BH)max(MGOe) (BH)max
(KJ/ m)		 ℃
Max Min Max Min
N35 ≥11.8 ≥1.18 ≥10.8 ≥860 ≥12 ≥960 37 33 295 263 N ≤80
N38 ≥12.3 ≥1.23 ≥10.8 ≥860 ≥12 ≥960 39 36 310 287
N40 ≥12.7 ≥1.27 ≥11.0 ≥876 ≥12 ≥960 41 38 327 302
N42 ≥13.0 ≥1.30 ≥11.0 ≥876 ≥12 ≥960 43 40 343 320
N45 ≥13.3 ≥1.33 ≥11.0 ≥876 ≥12 ≥960 46 42 366 335
N48 ≥13.7 ≥1.37 ≥10.5 ≥836 ≥12 ≥960 49 45 390 358
N50 ≥14.0 ≥1.40 ≥10.5 ≥836 ≥12 ≥960 51 47 406 374
N52 ≥14.2 ≥1.42 ≥10.5 ≥836 ≥12 ≥960 53 49 422 390
N54 ≥14.4 ≥1.44 ≥10.5 ≥836 ≥11 ≥876 55 51 438 406
N35M ≥11.8 ≥1.18 ≥10.8 ≥860 ≥14 ≥1114 37 33 295 263 M ≤100
N38M ≥12.3 ≥1.23 ≥11.0 ≥876 ≥14 ≥1114 39 36 310 287
N40M ≥12.7 ≥1.27 ≥11.5 ≥915 ≥14 ≥1114 41 38 327 302
N42M ≥13.0 ≥1.30 ≥11.8 ≥939 ≥14 ≥1114 43 40 343 320
N45M ≥13.3 ≥1.33 ≥12.0 ≥956 ≥14 ≥1114 46 42 366 335
N48M ≥13.7 ≥1.37 ≥12.2 ≥972 ≥14 ≥1114 49 45 390 358
N50M ≥14.0 ≥1.40 ≥12.5 ≥995 ≥14 ≥1114 51 47 406 374
N52M ≥14.2 ≥1.42 ≥12.5 ≥995 ≥14 ≥1114 53 49 422 390
N33H ≥11.4 ≥1.14 ≥10.6 ≥844 ≥17 ≥1350 35 31 279 247 H ≤120
N35H ≥11.8 ≥1.18 ≥10.8 ≥860 ≥17 ≥1350 37 33 295 263
N38H ≥12.3 ≥1.23 ≥11.0 ≥876 ≥17 ≥1350 39 36 310 287
N40H ≥12.7 ≥1.27 ≥11.5 ≥916 ≥17 ≥1350 41 38 327 302
N42H ≥13.0 ≥1.30 ≥11.8 ≥940 ≥17 ≥1350 43 40 343 320
N45H ≥13.3 ≥1.33 ≥12.0 ≥955 ≥17 ≥1350 46 42 366 335
N48H ≥13.6 ≥1.36 ≥12.2 ≥971 ≥17 ≥1350 49 45 390 358
N50H ≥14 ≥1.4 ≥12.5 ≥995 ≥17 ≥1350 51 47 406 374
N52H ≥14.3 ≥1.43 ≥12.5 ≥995 ≥17 ≥1350 53 49 422 390
N33SH ≥11.4 ≥1.14 ≥10.6 ≥844 ≥20 ≥1592 35 31 279 247 SH ≤150
N35SH ≥11.8 ≥1.18 ≥10.8 ≥860 ≥20 ≥1592 37 33 295 263
N38SH ≥12.3 ≥1.23 ≥11.0 ≥876 ≥20 ≥1592 39 36 310 287
N40SH ≥12.6 ≥1.26 ≥11.5 ≥916 ≥20 ≥1592 41 38 327 302
N42SH ≥12.9 ≥1.29 ≥11.8 ≥940 ≥20 ≥1592 43 40 343 320
N45SH ≥13.2 ≥1.32 ≥12.0 ≥955 ≥20 ≥1592 46 42 366 335
N48SH ≥13.6 ≥1.36 ≥12.2 ≥971 ≥20 ≥1592 49 45 390 358
N50SH ≥14 ≥1.4 ≥12.5 ≥995 ≥20 ≥1592 51 47 406 374
N33UH ≥11.4 ≥1.14 ≥10.6 ≥844 ≥25 ≥1990 35 31 279 247 UH ≤180
N35UH ≥11.8 ≥1.18 ≥10.8 ≥860 ≥25 ≥1990 37 33 295 263
N38UH ≥12.3 ≥1.23 ≥11.0 ≥876 ≥25 ≥1990 39 36 310 287
N40UH ≥12.6 ≥1.26 ≥11.5 ≥916 ≥25 ≥1990 41 38 327 302
N42UH ≥12.9 ≥1.29 ≥11.8 ≥940 ≥25 ≥1990 43 40 343 320
N45UH ≥13.2 ≥1.32 ≥12.0 ≥955 ≥25 ≥1990 46 42 366 335
N48UH ≥13.6 ≥1.36 ≥12.2 ≥971 ≥25 ≥1990 49 45 390 358
N28EH ≥10.4 ≥1.04 ≥9.50 ≥756 ≥30 ≥2388 30 26 239 207 EH ≤200
N30EH ≥10.8 ≥1.08 ≥9.50 ≥756 ≥30 ≥2388 32 28 255 223
N33EH ≥11.4 ≥1.14 ≥10.6 ≥844 ≥30 ≥2388 35 31 279 247
N35EH ≥11.8 ≥1.18 ≥10.8 ≥860 ≥30 ≥2388 37 33 295 263
N38EH ≥12.3 ≥1.23 ≥11.0 ≥876 ≥30 ≥2388 39 36 310 287
N40EH ≥12.6 ≥1.26 ≥11.5 ≥916 ≥30 ≥2388 41 38 327 302
N42EH ≥12.9 ≥1.29 ≥11.8 ≥940 ≥30 ≥2388 43 41 343 320
N45EH ≥13.2 ≥1.32 ≥12.0 ≥955 ≥30 ≥2388 46 42 366 335
N30TH ≥10.8 ≥1.08 ≥9.50 ≥756 ≥35 ≥2786 32 28 255 223 TH ≤220
N33TH ≥11.4 ≥1.14 ≥10.6 ≥844 ≥35 ≥2786 35 31 279 247
N35TH ≥11.8 ≥1.18 ≥11.0 ≥876 ≥35 ≥2786 37 33 295 263
N38TH ≥12.2 ≥1.22 ≥11.0 ≥876 ≥33 ≥2627 39 36 310 287
Remarks： The maximum working temperature depends on the shape, size, and coating of the magnet, the highest working temperature in the table is the test data for standard sample.

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About Us
Ningbo Tujin Magnetic Industry Co., Ltd.

Ningbo Tujin Magnetic Industry Co., Ltd. is located in the gathering area for China's magnetic materials industry-Ningbo, and also an important port city in eastern China. It is an emerging technology enterprise integrating production, R&D, and sales. It specializes in the production of mid-to-high-end Neodymium NdFeB magnetic materials and related products. Main products include: Disc magnet, Ring magnet, Block magnet, Arc magnet and customizied special shaped magnets.

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