Materials for Magnetic Circuit,Magnetic Shield,Sensor,Zero Current Transformer,Magnetic Head Core and Thermal Compensator 
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| Materials |
Enterprise Alloy Symbol |
Related Specification | Cimposition （mass%） | Features |
Electrical Resistivity （10-8Ω·ｍ） |
Density （Mg/m3） | Magnetic Properties | Applications | ||||
|
inltaial Relathve Perme abiilty µl |
Coercivity Hc(A/m) | Flax Density B800(T) |
inductance Relatlve Permeability µl |
Condition
|
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| Permalloys | UM-45NF |
JIS
C 2531 PB |
45Ni-Fe | High Bs and Highµ | 52 | 8.3 | ≧4,000 | ≦12 | ≧1.4 | ≧2,200 |
1kHz
0.35t |
Magnetic Circuit For watch and Camera，Magnetic Shields，Sensor |
| UM-48NMF |
JIS
C 2531 PB |
48Ni-1Mo-Fe | 55 | 8.3 | ≧4,000 | ≦12 | ≧1.4 | ≧2,200 |
1kHz
0.35t |
Yokes | ||
| UM-Alloy42 | 42Ni-Fe | 65 | 8.2 | ≧4,500 | ≦11 | ≧1.35 | ≧2,400 |
1kHz
0.35t |
Magnetic Circuit For watch and Camera，Magnetic Shields，Sensor | |||
| UM-NMCF22 |
JIS C
2531 PC |
78Ni-5Mo-4Cu-Fe | Highµ and Low Eddy-current Loss | 60 | 8.8 | ≧70,000 | ≦1.50 | ≧0.65 | ≧40,000 |
60Hz 0.22t
|
Zero Current Transformer，Magnetic Shields，Transformers，Magnetic Circuit for Watchs | |
| UM-NMCF2 | ≧20,000 |
1kHz
0.1t |
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| UM-NMCF2K | ≧20,000 |
1kHz
0.1t |
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| UM-NF17 |
JIS C
2531 PC |
80Ni-Fe | Magnetic Permeability Wear Resistance and Less Deterioration After Resin Mold | 60 | 8.9 | ≧10,000 | ≦2.00 | ≧0.50 | ≧10,000 |
1kHz
0.1t |
Magnetic Head Cores | |
| UM-NF27 | ||||||||||||
| UM-NMF80 |
JIS C
2531 PC |
80Ni-5Mo-Fe | Magnetic Permeability， Low Eddy Current Loss Deterioration After Resin Mold | 60 | 8.8 | ≧20,000 | ≦2.00 | ≧0.50 | ≧30,000 |
1kHz
0.1t |
Magnetic Head Cores and Shields Cases | |
| UM-NMF82 | ||||||||||||
| UM-NF36 | JIS C 2531,PD | 36Ni-Fe | High Magnetic Permeability and High Electrical Resistivity | 70 | 8.2 | ―― | ―― | ―― | ≧1,900 | 1kHz | Magnetic Circuit For watchr | |
| UM-NF38 | ―― | 38Ni-8Cr-Fe | 95 | 8.2 | ≧4,500 | ≦11 | ≧0.73 | ―― | ||||
| UM-NF50 |
JIS
C 2531 PE |
50Ni-Fe | Rectanglar Hysteresis Loop | 40 | 8.3 | Br/Bs≧90% | Transformers | |||||
| Lron-Cobalt Alloys | UM-CVF | Permendur | 49Co-2V-Fe | High Bs and Highµ | 26 | 8.2 | Saturation Flux Density Coercivity |
Bs≧2.3T
Hc≦240A/m
|
Yokes,Pole Piece | |||
| Lron-Nickel Alloys | UM-NF3 | ASTM F30 ALLOY52 | 52Ni-Fe | High Saturation Flux Density High Magnetic Permeability and Good Sealing to Soft Glass | 38 | 8.3 |
Saturation
Flux Density Coercivity
Thermal
Expansion Coeff.
10×10-6/K(303~673)
|
Bs≧1.4T
Hc≦24A/m
|
Lead Switches | |||
| Temperature Compensator Flux Alloys | UM-NF30 | ―― | 30Ni-Fe | Thermal Compensation Between 273 and 313K | 82 | 8.2 |
Saturation Flux Density Bs:0.16~0.28T(293k、Annealed） Thermal Coeff. Of B -2.8%/K |
Thermal Compensator for Watt-hour Meters, Speedmeters，Braun tube deflection yokes,Isolator，Circulators， Temperature compensation for Precision instruments | ||||
| UM-NF31 | ―― | 31Ni-Fe | Thermal Compensation Between 293 and 333K | 84 | 8.2 |
Saturation Flux Density Bs:0.36~0.50T(293k、Annealed） Thermal Coeff. Of B -1.3%/K |
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| UM-NCF | ―― | 31Ni-8Cr-Fe | Thermal Compensation Between 253 and 293K | 87 | 8.1 |
Saturation Flux Density Bs:0.04~0.14T(Annealed） Thermal Coeff. Of B -6.5%/K |
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| Thermosensitive Magnetic Materials | UM-NF13 | ―― | Ni-Fe Ni-Cr-Fe | Variation of Permeability on Curie Temperature Variable Curie Temperature Available | ― | ― | Curie Temperature | 408K | Thermal Switches，Materials for lnduction Heating | |||
| UM-NF22 | ―― | ― | ― | Curie Temperature | 493K | |||||||
| UM-NF26 | ―― | ― | ― | Curie Temperature | 533K | |||||||
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