Gold Member Since 2012
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Ningbo Sine Magnetic Co., Ltd.

High Temperature, High Temperature Magnet, Smco manufacturer / supplier in China, offering High Temperature SmCo Permanent Motor Magnet, Fashion Triangle Plastic Magnetic Clip, Super Strong Permanent Holding Magnet/Magnetic Holder and so on.

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Supplier Homepage Product SmCo Magnet High Temperature SmCo Permanent Motor Magnet

High Temperature SmCo Permanent Motor Magnet

FOB Price: US $1 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $1/ Piece
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Production Capacity: 1000000 Pieces Per Month
Transport Package: Standard Air or Sea Package
Payment Terms: L/C, T/T, D/P, Western Union, Paypal

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Basic Info
  • Model NO.: Sm2Co17
  • Shape: Arc, Block
  • Type: Permanent
  • Specification: ROHS, SGS
  • Application: Industrial Magnet
  • Coating: Ni,Zn,Epoxy etc.
  • Composition: SmCo Magnet
  • Origin: Ningbo
Product Description

High Temperature SmCo Permanent Motor Magnet

SmCo is a high-capacity permanent magnet made from Sm,Co,Fe and other trace metal elements. Besides a max working temperature of 300ºC, it has remarkable resistance against corrosion and oxidation. Hence, it may be used in aeronautic and space industries among others.

Attributes of Samarium Cobalt:

1. High resistance to demagnetization
2. High energy (magnetic strength is strong for its size)
3. Good temperature stability

Applications of Samarium Cobalt:

Computer disc drives, sensors, traveling wave tubes, linear actuators, satellite systems, motors where temporary stability is vital.


Machining and tolerances

We achieve dimensional size and tolerance by cutting or grinding with super abrasives. Samarium Cobalt (SmCo) cannot be ground with conventional drilling, turning or milling processes, and must be machined before they are magnetized. Additionally, large or complex assemblies are usually magnetized prior to assembly. Standard tolerances for Samarium Cobalt magnets are +/-.05mm for ground dimensions. We stocks SmCo magnets in block, ring and disc form in a variety of sizes and grades, and we are fully equipped to produce the size and tolerance that you require.

1:5 alloy material

1:5 offers 16 MGOe (energy product) to 22 MGOe and is made up of approximately 50% samarium and 50% cobalt. The 1:5 series has a maximum recommended operating temperature of 250°C. SmCo 1:5 magnets require lower field strengths than 2:17 materials to magnetize. In some instances, 1:15 material may be magnetized with multiple poles, provided that a magnetizing fixture is available.

2:17 alloy material

2:17 offers 24 MGOe to 32 MGOe and is composed of about 25% samarium, 5% copper, 18% iron, 2% hafnium or zirconium, with the remainder being cobalt. The 2:17 series of has a maximum operating temperature of 350°C. Special grades of 2:17 are available which can operate to even higher temperatures. SmCo 2:17 requires extremely high magnetizing fields, and multiple pole magnetization is not possible.

Technical data of SmCo Magnet
Material Grade  Energy Product(BH)max Residual Induction  Br(min-max) Coercive  Force Hcb(min-max) Intrinsic Coercive Force Hcj(min-max) Density  D Rev. Tenp Coeff α(Br) Curie Temp TC Max Working Temp Tw
KJ/m 3 MGsOe T KGs KA/m KOe KA/m KOe g/cm 3 %/ºC ºC ºC
SmCo5 XG16 120~143 15~18 0.77-0.86 7.7-8.6 613-716 7.7-9.0 ≥1194 ≥15.0 8.3 -0.04 ≥740 250
XG16H 120~143 15~18 0.77-0.86 7.7-8.6 613-716 7.7-9.0 ≥1592 ≥20.0
XG18 135~159 17~20 0.81~0.92 8.1~9.2 637~756 8.0~9.5 ≥1194 ≥15.0
XG18H 135~159 17~20 0.81~0.92 8.1~9.2 637~756 8.0~9.5 ≥1592 ≥20.0
XG20 151~175 19~22 0.85~0.95 8.5~9.5 637~756 8.0~9.5 ≥1194 ≥15.0
XG20H 151~175 19~22 0.85~0.95 8.5~9.5 637~756 8.0~9.5 ≥1592 ≥20.0
XG22 167~191 21~24 0.89~1.0 8.9~10.0 661~772 8.3~9.7 ≥1194 ≥15.0
XG22H 167~191 21~24 0.89~1.0 8.9~10.0 661~772 8.3~9.7 ≥1592 ≥20.0
Sm2Co17 XGS24M 175~199 22~25 0.92~1.04 9.2~10.4 318~788 4.0~9.9 398~1194 5.0~15.0 8.4 -0.03 ≥850 350
XGS24 175~199 22~25 0.92~1.04 9.2~10.4 661~796 8.3~10.0 1194~1990 15.0~25.0
XGS24H 175~199 22~25 0.92~1.04 9.2~10.4 661~804 8.3~10.1 > 1990 > 25.0
XGS26M 191~215 24~27 1.0~1.06 10.0~10.6 318~796 4.0~10.0 398~1194 5.0~15.0
XGS26 191~215 24~27 1.0~1.06 10.0~10.6 677~820 8.5~10.3 1194~1990 15.0~25.0
XGS26H 191~215 24~27 1.0~1.06 10.0~10.6 677~820 8.5~10.3 > 1990 > 25.0
XGS28M 207~231 26~29 1.04~1.10 10.4~11.0 318~804 4.0~10.1 398~1194 5.0~15.0
XGS28 207~231 26~29 1.04~1.10 10.4~11.0 677~820 8.5~10.3 1194~1990 15.0~25.0
XGS28H 207~231 26~29 1.04~1.10 10.4~11.0 677~820 8.5~10.3 > 1990 > 25.0
XGS30M 223~247 28~31 1.07~1.12 10.7~11.2 318~804 4.0~10.1 398~1194 5.0~15.0
XGS30 223~247 28~31 1.07~1.12 10.7~11.2 700~828 8.8~10.4 1194~1990 15.0~25.0
XGS30H 223~247 28~31 1.07~1.12 10.7~11.2 700~828 8.8~10.4 > 1990 > 25.0
XGS32M 231~255 29~32 1.09~1.15 10.9~11.5 318~804 4.0~10.1 398~955 5.0~12.0
XGS32 231~255 29~32 1.09~1.15 10.9~11.5 716~836 9.0~10.5 > 955 > 12.0
Low Temp Coeff       Sm2Co17 XGS22LT 159~183 20~23 0.90~0.99 9.0~9.9 677~756 8.5~9.5 ≥1194 ≥15.0 8.4 -0.015 ≥850 350
XGS24LT 175~199 22~25 0.92~1.02 9.2~10.2 677~756 8.5~9.5 ≥1194 ≥15.0
 
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