Generals
Cast Alnico magnets, which are aluminum nickel-cobalt-iron alloys, are the most established and widely used permanent magnet materials. Because of their high flux density and superior temperature stability, cast magnets have been accepted in the widest range of applicationApplications
- Speakers, microphones, telephonesPhysical Properties
Curie Point | 850∼890℃ |
Maximum Permissible Temperture | 550℃ |
Specific Resisitivity | 50∼75μΩ-㎝ |
Density | ∼7.3g/㎤ |
Hardness | Hrc45∼60 |
Thermal Expansion Coefficient | 11∼13.5×10-6/℃ |
Temperature Coefficient | - 0.016%/℃ |
Magnetic Characteristics
Pacific Code | Residual Flux Density | Coercive Force | Maximum Energy Product | |||
Br | HcB(Hc) | (BH)Max. | ||||
kG | T | Oe | kA/m | MGOe | kJ/㎥ | |
PMC-1A | 12.3∼12.8 | 1.23∼1.28 | 650∼700 | 51.7∼55.7 | 5.0∼5.5 | 39.8∼43.8 |
PMC-1B | 12.5∼13.0 | 1.25∼1.30 | 600∼660 | 47.7∼52.5 | 4.8∼5.5 | 38.2∼43.8 |
PMC-1D | 12.8∼13.2 | 1.28∼1.32 | 650∼700 | 51.7∼55.7 | 5.3∼6.2 | 42.2∼49.3 |
PMC-1L | 11.8∼12.4 | 1.18∼1.24 | 570∼620 | 45.4∼49.3 | 4.5∼5.2 | 35.8∼41.4 |
HIMAG | 13.0∼14.0 | 1.30∼1.40 | 700∼800 | 55.7∼63.7 | 6.5∼8.0 | 51.7∼63.7 |
PMC-2B | 10.0∼11.0 | 1.00∼1.10 | 700∼780 | 55.7∼62.1 | 3.5∼4.2 | 27.8∼33.4 |
PMC-2C | 11.0∼11.8 | 1.10∼1.18 | 680∼750 | 54.1∼60.0 | 3.5∼4.5 | 27.8∼35.8 |
PMC-4A | 6.0∼7.0 | 0.60∼0.70 | 550∼620 | 43.7∼49.3 | 1.3∼1.6 | 10.3∼12.7 |
PMC-4B | 6.0∼7.0 | 0.60∼0.70 | 500∼550 | 39.8∼43.7 | 1.3∼1.5 | 10.3∼11.9 |
PMC-4C | 5.0∼6.0 | 0.50∼0.60 | 650∼750 | 51.7∼60.0 | 1.3∼1.7 | 10.3∼13.5 |
PMC-5AB | 8.0∼9.5 | 0.80∼0.95 | 130∼190 | 10.3∼15.1 | - | - |
PMC-8B | 8.3∼9.0 | 0.83∼0.90 | 1380∼1550 | 110∼123 | 4.8∼5.4 | 38.2∼43.0 |
PMC-8C | 8.5∼9.0 | 0.85∼0.90 | 1500∼1650 | 119∼131 | 5.0∼6.5 | 39.8∼51.7 |
PMC-8E | 7.5∼8.5 | 0.75∼0.85 | 1800∼2100 | 143∼167 | 5.5∼7.0 | 43.8∼55.7 |
PMC-9B | 10.0∼11.0 | 1.00∼1.10 | 1300∼1500 | 104∼119 | 9.0∼11.0 | 71.6∼87.5 |
Demagnetic Characteristics