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Guy's Magnets 11.4 mm x 8.4 mm x 1.3 mm bonded Samarium Cobalt ring

Guy's Magnets 11.4 mm x 8.4 mm x 1.3 mm bonded Samarium Cobalt ring

Item Code (SKU): RI11.4/8.4/1.3ABS
Minimum purchase price £3.120
Minimum purchase price: £3.120
Item in Stock  |  Usually dispatched within 24 hours
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Technical Specifications

  • Outer Diameter: 11.4mm (0.55")
  • Inner Diameter: 8.4mm (")
  • Thickness: 1.3mm (0.19")
  • Magnetised through the thickness so that one flat face is north and the other is south
  • Weight: 0.5g
  • Grade: SYBG10
  • Coating: None
  • Maximum Temp: 100°C / 2122°F
  • Theoretical Maximum Pull: 0.09lb / 1.4oz / 40g
  • Calculated Max Vertical Hold-guidance only: 0.018lb / 0.28oz / 8g
  • WARNINGS:
    • All samarium cobalt magnets are unsuitable for children; do not ingest.
    • All samarium cobalt magnets are brittle; do not allow these magnets to jump together or to an iron/steel surface - they will break, crack, chip or shatter.
    • Thin samarium cobalt magnets DO NOT FLEX, if you attempt to flex them they will snap in half.

These magnets are made from Samarium (chemical symbol Sm) which is element 62 on the periodic table. It’s a rare earth metal and forms one of the Lanthanides series. When added to Cobalt (Co) and Iron (Fe) the resultant magnets are strong.

Bonded samarium cobalt blockBonded Samarium Cobalt is made by using binders, such as epoxy resins, to hold the powder in place rather than sintering the alloy (compressing it under very high pressure into a mould). This means that they are less brittle than normal Samarium Cobalt magnets but also less powerful.

Here is just some of the uses that bonded Samarium Cobalt magnets have been put to:

  • sensors
  • axial motors
  • micromotors
  • spluttering machines
  • scanners
  • magnetic bearings
  • CD and DVD players
ShapeRing
Outer Diameter11.4 mm
Inner Diameter8.4 mm
Thickness1.3 mm
GradeSYBG10
MGOe10
CoatingNone
Pull0.09 lb / 1.4 oz / 40 g
Vertical Hold0.018 lb / 0.28 oz / 8 g
Max Temp100°C / 212°F
Weight0.000509 Kg
11.4 mm x 8.4 mm x 1.3 mm bonded Samarium Cobalt ring

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