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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 £3.300
Minimum purchase price: £3.300
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
    • 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
Outer Diameter11.4 mm
Inner Diameter8.4 mm
Thickness1.3 mm
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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We aim to ship all items as soon as payment is cleared. This means that items ordered and paid for by 12 noon (UK time) Monday-Friday are usually dispatched on the same day. Items ordered and paid for after 12 noon or over the weekend are sent on the next working day. We never charge excessive amounts for postage and packaging. Our P&P charges are made up of the Royal Mail charge for the service plus a small contribution towards the packaging materials, plus VAT, which we are legally obliged to charge.

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