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Sintered SmCo Magnet

  • Product:
    Sintered SmCo Magnet

  • Model Number:
    D-1

  • Description:

    Payment & Shipping Terms
    Unit Price: US$6.0~20.0  
    Payment Term: T/T  
    Means of Transport: by air or by sea  
    Supply Capacity
    Production Capacity: about one ton per month
    Packing: special package for magnets

    Sintered samarium cobalt (SmCo) magnets, available since the early 1970's, offer the designer a tremendous combination of extremely high magnetic properties, outstanding thermal stability and excellent corrosion resistance. These characteristics make SmCo the ideal material in applications such as servo-motor, pump couplings, and sensors, particularly where the magnet is required to operate at high temperatures, across a broad temperature range or in a corrosive environment.
    The first alloy composition was SmCo5 with maximum energy products of about 18 MGOe (140 kJ/m3). Shortly after this development, an additional alloy composition, Sm2Co17 was developed. This was developed over time to provide over 30 MGOe (240 kJ/m3). Although processing of the 2-17 composition is more difficult, it also has the advantage of containing less Cobalt than the 1-5 composition. Raw material costs are lower. 2-17 is also very corrosion resistant and more stable at very high temperatures. Both types are manufactured by precision machining to satisfy specific customer needs.


    MAGNETIC AND PHYSICAL CHARACTERISTICS OF SINTERED SMCO MAGNETS

    Material Grade  (BH)max Br(min) Hcb(min) Hcj(min) Density Temp
    Coeff
    α (Br)    		  TC Tw
    KJ/m 3 MGsOe T KGs KA/m KOe KA/m KOe g/cm 3 %/ ? ? ?
    SmCo5
    and
    Sm(Pr)Co    		 XG18 127~159 16~20 0.82~0.92 8.2~9.2 639~756 8.0~9.5 1194~1751 15.0
    ~22.0    		 8.3 -0.04 ≥
    740    		 250
    XG20 143~175 18~22 0.87~0.95 8.7~9.5 639~756 8.0~9.5 1194~1751 15.0
    ~22.0
    XG22 159~191 20~24 0.93~1.0 9.3~10.0 660~772 8.3~9.7 1194~1751 15.0
    ~22.0
    XG24 175~207 22~26 0.96~1.04 9.6~10.4 660~780 8.3~9.8 1194~1751 15.0
    ~22.0
    Sm2Co17 XGS24M 175~207 22~26 0.96~1.04 9.6~10.4 318~772 4.0~9.7 398~955 5.0
    ~12.0    		 8.4 -0.03 ≥
    850    		 350
    XGS24 175~207 22~26 0.96~1.04 9.6~10.4 660~780 8.3~9.8 ≥1194 ≥
    15.0
    XGS24H 175~207 22~26 0.96~1.04 9.6~10.4 660~780 8.3~9.8 ≥1592 ≥
    20 .0
    XGS26M 191~223 25~28 1.0~1.07 10.0~10.7 318~796 4.0~10.0 398~955 5.0
    ~12.0
    XGS26 191~223 25~28 1.0~1.07 10.0~10.7 677~820 8.5~10.3 ≥1194 ≥
    15.0
    XGS26H 191~223 25~28 1.0~1.07 10.0~10.7 677~820 8.5~10.3 ≥1592 ≥
    20 .0
    XGS28M 207~239 26~30 1.04~1.10 10.4~11.0 318~796 4.0~10.0 398~955 5.0
    ~12.0
    XGS28 207~239 26~30 1.04~1.10 10.4~11.0 677~820 8.5~10.3 ≥1194 ≥
    15.0
    XGS28H 207~239 26~30 1.04~1.10 10.4~11.0 677~820 8.5~10.3 ≥1592 ≥
    20 .0
    XGS30M 223~247 28~31 1.07~1.12 10.7~11.2 318~796 4.0~10.0 398~955 5.0
    ~12.0
    XGS30 223~247 28~31 1.07~1.12 10.7~11.2 677~820 8.5~10.3 ≥1194 ≥
    15.0
    XGS32M 238~262 29~32 1.09~1.15 10.9~11.5 318~796 4.0~10.0 398~955 5.0
    ~12.0
    XGS32 238~262 29~32 1.09~1.15 10.9~11.5 677~820 8.5~10.3 ≥955 ≥
    12.0
    Low Temp
    Coeff
    Sm2Co17    		 XGS22LT 159~191 20~24 0.93~1.0 9.3~10.0 677~756 8.5~9.5 ≥1194 ≥
    15.0    		 8.4 -0.01 ≥
    850    		 350
    XGS24LT 175~207 22~26 0.96~1.04 9.6~10.4 677~756 8.5~9.5 ≥1194 ≥
    15.0
    XGS26LT 191~223 25~28 1.0~1.07 10.0~10.7 677~812 8.5~10.2 ≥1433 ≥
    18.0    		 8.4 -0.02 ≥
    850    		 350


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