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Neodymium magnet bar
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Neodymium magnet bar

Price: 0.1~1.0 USD
Trade Term: FOB
Payment Terms: T/T,L/C,WU
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Basic Info.
  • Application: Industrial Magnet 
  • Shape: Stick 
  • Type: Permanent 
  • Composite: NdFeB Magnet 
  • Brand Name: Rainbow 
  • material: Neodymium Iron Boron 
  • Grade: 48M 
  • Model No.: RM-B21 
  • Place of Origin: Zhejiang  
  • Min.Order: 5 Piece/Pieces
  • Means of Transport: Ocean, Land
Supply Capacity
  • Production Capacity: 100 ton/month
  • Packing:standard carton by sea or by air
  • Delivery Date: 4 weeks
Neodymium Iron Boron magnets is a type of rare-earth permanent magnet.

It is made from an alloy of neodymium, iron, and boron to form the Nd2Fe14B tetragonal crystalline structure.

This material is currently the strongest type of permanent magnet in the world.

Nd-Fe-B permanent magnet can be according customer's demand to make in a wide range of shapes, sizes and grades,such as pic shows long small magnet bar.
The advantage is high cost-effective, with good mechanical properties, easy cutting; according customer's demand to manufacture in a wide range of shapes, sizes and grades.
Also have high Br,high Hcj,high (BH)max,and high stability become the important material of the world.
The shortcoming is the low of the Curie temperature and the temperature characteristics, easy to rust, oxidation, Sintered NdFeB's surface is usually required for plating such as zinc, nickel, silver, gold, etc., can also be done phosphorus treatment or spray epoxy resin to slow down the oxidation rate.

This magnet bar is coated with NiCiNi.
Nd-Fe-B permanent magnet with its excellent performance, abundant raw material and reasonable price is to be rapid development and wide application.
Also becoming increasingly popular across a wide range of novelty products for markets.

pls see attached pic for magnet bar.


demagnetization curve for 42M


magnet properties compare:

Type
composition
Magnetic properties
Br/T
Hc
/(Ka/m)
(BH)m/
(kJ/m3)
Tc/℃
Density
g/cm-3
Sinter NdFeB
Nd13.5(Fe,M)bananceB6.1-7.0
1.1-1.4
800-2400
240-400
310-510
7.4-7.6
Bonded
NdFeB
Nd4-13(Fe,M)bananceB6-12
0.6-1.1
800-2100
56-160
310
5.3-6.0
AlNiCo 5
8%-12%Al,15%-22%Ni
5%-24%Co,3%-6%Cu.
Balance Fe
0.7-1.32
40-60
9-56
890
7.3
AlNiCo8
7%-8%Al,14%-15%Ni
34%-36%Co,5%-8%Ti,
3%-4%Cu,Balance Fe
0.3-0.44
250-350
25-36
450
7.3
1:5,SmCo
62%-63%Co,38%-37%Sm
0.9-1.0
1100-1540
117-179
720
8.1
2:17,SmCo
Sm(Co0.69Fe0.2Cu0.1Zr0.01)7.2
1.0-1.3
500-600
230-240
800
8.2
Bonded smco
Sm(Co0.67Fe0.22Cu0.1Zr0.07Ti0.01)7.1
1.0-1.07
800-1400
160-204
810
7.4




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Ms. Annie
Tel: 86-574-87840198
Mobile: 86-18957449606
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Contact Method
Rainbow Magnet Ltd.
factory:6# Nijiatan Hi-Tech park; sales office :Room.301-303# North building No 762 Baizhang Road(E), Ningbo, Zhejiang, China (Mainland) / 315040
Fax: 86-574-87393806
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