Block Shape Black Epoxy NdFeB Magnet
Changzhou STW INDUSTRIAL CO., LTD is a professional manufacture and exporter of Steel Ball and Bearings . STW grow up from exporting Department. of Changzhou Huari Steel Ball Co., Ltd and have much experiences in trading business from year 1986. We had good relationships with dozens of factories , even join them directly in ways of technical cooperation, share participation and some others. That makes us become more diversified, effective and superior. We have been manufacturing 0.8mm to 250mm steel balls in different materials; all kinds of bearings; bicycle parts, motors, industrial tools and types of lightings. Our products are mainly applied in areas such as transportations, textiles, chemical-industrial, environmental protection, food-processing, mining, agricultural and other precision machinery fields.We enjoyed a sound reputation among customers.Our tenet is : Quality first, reality and efficiency, innovation, union and struggle to create the brilliancy.We warmly welcome all customers and friends both home and abroad came to cooperate and develop a better future with us.
Aluminum Balls: AL5050, 1100, 6061, 7A03, 7075.
BRASS/COPPER BALLS: H62, H65/ 99.9% copper
Tungsten Carbide Balls: tungsten, YG6, YG8.
Metal Alloy Ball,Alloy Ball,Metal Ball,Best Metal Alloy Ball CHANGZHOU HUARI STEEL BALL CO., LTD. , https://www.stwballs.com
Materials: Sintered NdFeB / Neodymium magnet
Surface treatment: Ni, Ni + Cu + Ni, Zn, epoxy, gold, etc.
Â
Parameter
unit
Standard Data
Curie Temperature(Tc)
ºC
310-380
Maximum Operating Temperature(Tw)
ºC
80-200
Hardness
Hv
620
Electrical Resistivity
Ω.CM
1.8X10-4Â ~2.0X10-4
Density(D)
g/cm3
7.5~7.65
Recoil Permeability
µ rec
1.05
Magnetization Field Strength(Hs)
KOe
>Â Â 30
KA/m
>Â 2400
Bending Strength
Mpa
295~345
Temp. Coefficient of Br (aBr)
%/ºC
-0.11~ -0.12
Temp Coefficient of Hcj (aHcj)
%/ºC
-0.5~ -0.7
Applications of neodymium magnets:
1) Servomotor, step motor, DC motor and linear motor
2) Loudspeaker, headphone, earphone and microphones
3) Holding system equipment
4) Medical facility
5) Sound device
6) Wind power
7) VCM, MRI
8) Mobile accessory
9) Research and development, as well as many other applications
Magnet neodymium iron boron
1. Arc or rectangular magnet.
2. Zinc coating to protect the surface.
3. Used for electric motors
1. Magnet: Neodymium magnet
2. Characteristics:
Super strong Br resident induction.
Excellent demagnetization resistance capability.
3. Surface Treatment Method:
Black Nickel, Chroming, Copper, Epoxy, Gold, Nickel, Nickel+Epoxy, Nickel+Sn, Passivation, Zinc, phosphating
4. Applications of Neodymium Magnets:
AC Motors, DC Motors, servo motors, step motors
Computer rigid disc drives
Magnetic Separators
Magnetic resonance imaging
Speakers & earphones
Medical care machines
We own a professional team to ensure high-quality products, and strict management to ensure timely delivery and perfect after-sales service.
We sincerely welcome your inquiry.