Cast Alnico 5 Alnico Channel Magnet U-Channel Magnets Item No. MPACNL-02 series
Alnico Channel Grade 5 material, unpainted gray in color and have a maximum temperature of 550 degrees C / Max.Temperature, 1020 °F
Length tolerance is +/-0.045″, width & channel tolerances are +/- 0.016″ and thickness tolerance is +/-0.005″
6″ Length, 3/4” Width, 1/2” Thickness, 1/4” U-Channel Width
Maximum pull of 34 pounds
MPCO Alnico Channel shaped magnets are available in both Cast Alnico 5 and Sintered Alnico 2 materials.
Very temperature stable, great for high
heat applications
Maximum working temperature
975° -1020°F
May be ground to size
Does not lend itself to conventional machining (hard & brittle)
High residual induction and energy product compared to ceramic. Low coercive force compared to ceramic and rare earth materials (more subject to demagnetization)
Most common grades of alnico are 5 & 8
Cast Alnico 5 Channel Magnet can be used for various holding applications and also for removal of tramp iron from chutes carrying grains, plastics, glass, minerals & other materials conveyed in powder or granular form. Alnico channel bar magnets offer high temperature and corrosion resistance as well as greater magnetic pull than ceramic magnets. They are unpainted Gray or Blue in color.
Alnico channels are magnetized as a horseshoe with the South Pole on one side of the channel & the North Pole on the other side.
MPCO alnico channel magnets are made of cast Alnico 5 material. All dimensions approximate and as cast with pole faces ground smooth. Other sizes are available upon request. Contact us if you don’t see what you’re looking for in this brief listing.
Alnico 5 Channel Magnet Magnetizing is done after the magnet has been machined to the correct tolerances. Care should be taken when handling alnico material since it is brittle and can chip or break if dropped on a hard surface. Also, because it has a low resistance to demagnetization, it will lose power if it is stored improperly (poles repelling each other). For best results, store magnetized alnico so that pieces are attracting each other, or with a steel keeper.
Alnico is a very hard and brittle material and does not lend itself to conventional machining. The MPCO employs experienced machinists and the proper equipment to grind alnico to its required dimensions.
Alnico channels are magnetized as a horseshoe with the South Pole on one side of the channel & the North Pole on the other side.
MPCO alnico channel magnets are made of cast Alnico 5 material. All dimensions approximate and as cast with pole faces ground smooth. Other sizes are available upon request.
| Thickness | Width | U-Channel Width | Length | Max. Pull, lbs. | Max. Temperature, °F | Grade | Item No. |
| 3/8“ | 5/8“ | 1/4“ | 5″ | 16 | 1020° | Alnico 5 | MPACNL-01 |
| 1/2“ | 3/4“ | 1/4“ | 6″ | 34 | 1020° | Alnico 5 | MPACNL-02 |
| 5/8“ | 1″ | 3/8“ | 6″ | 40 | 1020° | Alnico 5 | MPACNL-03 |
| 3/4“ | 1 1/4“ | 7/16“ | 6″ | 60 | 1020° | Alnico 5 | MPACNL-04 |
| 7/8“ | 1 1/2“ | 1/2“ | 6″ | 60 | 1020° | Alnico 5 | MPACNL-05 |
All Measurements are in inches (unless otherwise noted). Alnico U-Channel Magnets
Direction of Magnetization (DOM) is through the thickness unless noted
Unless otherwise specified, magnets will be furnished in magnetized condition
Holding forces are approximate. These are average values obtained under laboratory conditions. Size, shape, and material of the test piece may affect actual pull forces
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