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Super Strong Ndfeb Ring Magnet / Small Neodymium Magnets Silver Coating

Super Strong Ndfeb Ring Magnet / Small Neodymium Magnets Silver Coating

Certification: ISO9001
Minimum Order Quantity: 100 pcs
Delivery Time: 7-9 days
Payment Terms: Western Union, T/T, L/C, PayPal
Price: negotiable
Supply Ability: 100000 pcs/month
Yuyao Hongwei Magnetic Technology Co., Ltd.
Active Member
Zhejiang China
Business type: Manufacturer Importer Exporter Seller
Mingwei Lizhou Street, Yuyao City,Zhejiang Province
Supplier`s last login times: within 47 hours

NdFeB Permanent Magnet


Products details:


Description

Ndfeb magnet


MaterialNeodymium-Iron-Boron
Max. working temperatureGradeMax. Operating Temperature
N35-N54≤ 80°C
35M- 52M≤ 100°C
33H-50H≤ 120°C
33SH-46SH≤ 150°C
30UH-42UH≤ 180°C
30EH-38EH≤ 200°C
28AH-33AH≤ 230°C
Shapering and any shapes are available.
CoatingNi, Zn, Ni-Cu-Ni, Epoxy, Gold, Silver, phosphate, passivation
Technology Advantage And Production CapacityHDDR and JET MILLING technology,1000 tons yearly capacity
Price AdvantageVery competitive price, lower than average market price
ApplicationTV,Sensors,Servo motor,Motors, Rotors, Wind turbines/wind generators, Loudspeakers, loudhailer,Magnetic hooks & holder, Filters, Automobiles, etc.

NdFeB Permanent Magnet production process:

Neodymium magnets are actually composed of neodymium, iron and boron (they are also referred to as NIB or NdFeB magnets). The powdered mixture is pressed under great pressure into molds. The material is then sintered (heated under a vacuum), cooled, and then ground or sliced into the desired shape. Coatings are then applied if required. Finally, the blank magnets are magnetized by exposing them to a very powerful magnetic field in excess of 30 KOe.


Key Advantages of Neodymium Magnet:


  • Neodymium Magnet are the most powerful commercially produced magnets.
  • Neodymium Magnet have a higher Maximum Energy Product, (BH).max, which can easily reach 30 MGOe and even goes up to 50 MGOe.
  • Neodymium Magnet can replace SmCo magnets in most cases, especially where operating temperature is less than 80 degrees Centigrade.
  • Neodymium Magnet has very high strength.
  • Relatively low cost.
  • Compared to Alnico and SmCo magnets, relatively easy to machine

Physical properties

GradeRemanenceCoercivity ForceIntrinsic Coercive ForceMax. Energy ProductWorking Temp.
BrHcbHcj(BH)max
mTkGskA/mkOekA/mkOekJ/m3MGOe
N351170-122011.7-12.2≥ 868≥ 10.9≥ 955≥ 12263-28733-3680 ° C
N381220-125012.2-12.5≥ 899≥ 11.3≥ 955≥ 12287-31036-3980 ° C
N401250-128012.5-12.8≥ 907≥ 11.4≥ 955≥ 12302-32638-4180 ° C
N421280-132012.8-13.2≥ 915≥ 11.5≥ 955≥ 12318-34240-4380 ° C
N451320-138013.2-13.8≥ 923≥ 11.6≥ 955≥ 12342-36643-4680 ° C
N481380-142013.8-14.2≥ 923≥ 11.6≥ 876≥ 12366-39046-4980 ° C
N501400-145014.0-14.5≥ 796≥ 10.0≥ 876≥ 11382-40648-5160 ° C
N521430-148014.3-14.8≥ 796≥ 10.0≥ 876≥ 11398-42250-5360 ° C
35M1170-122011.7-12.2≥ 868≥ 10.9≥ 1114≥ 14263-28733-36100 ° C
38M1220-125012.2-12.5≥ 899≥ 11.3≥ 1114≥ 14287-31036-39100 ° C
40M1250-128012.5-12.8≥ 923≥ 11.6≥ 1114≥ 14302-32638-41100 ° C
42M1280-132012.8-13.2≥ 955≥ 12.0≥ 1114≥ 14318-34240-43100 ° C
45M1320-138013.2-13.8≥ 995≥ 12.5≥ 1114≥ 14342-36643-46100 ° C
48M1360-143013.6-14.3≥ 1027≥ 12.9≥ 1114≥ 14366-39046-49100 ° C
50M1400-145014.0-14.5≥ 1033≥ 13.0≥ 1114≥ 14382-40648-51100 ° C
35H1170-122011.7-12.2≥ 868≥ 10.9≥ 1353≥ 17263-28733-36120 ° C
38H1220-125012.2-12.5≥ 899≥ 11.3≥ 1353≥ 17287-31036-39120 ° C
40H1250-128012.5-12.8≥ 923≥ 11.6≥ 1353≥ 17302-32638-41120 ° C
42H1280-132012.8-13.2≥ 955≥ 12.0≥ 1353≥ 17318-342v


Product Tags:

bonded ndfeb magnet

      

ndfeb ring magnet

      

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