Specifications & Technical Details
- Critical Temperatures for Magnets
- Neodymium Iron Boron Magnets
- Sintered NdFeB Magnetic Technical Specifications Chart
- Ferrite Magnets
- Samarium Cobalt Magnets
- Alnico Magnets
- Extruded Flexible Magnetic Strip
- Demagnetisation Comparison Graph
Critical Temperatures for Magnets
Click here to download the critical temperatures for magnets PDF document.
Neodymium Iron Boron Magnets Properties (NdFeB)
Common Name Rare earth (or) Neo’s Released onto the market 1983 Magnetic output Very high strength to cost ratio Resistance to demagnetisation Very high Relative cost Medium High temperature tolerance Poor (Although high temp grades are available) Corrosion resistance Poor Surface finish Can be plated in a range of finishes Physical characteristics Very hard and brittle Workability Extremely difficult to machine or drill Uses Widely used throughout many industries Click here for a demagnetisation comparison graph
Neodymium Round Magnets
Neodymium Ring Magnets
Neodymium Block Magnets
Neodymium Shallow Pot Magnets
Neodymium Spherical Magnets
8mm diameter
Sintered NdFeB Magnetic Technical Specifications
Click here to view the Sintered NdFeB Technical Specifications chart
Common Name Ceramic magnets Released onto the market Early 1950’s Magnetic output Medium Resistance to demagnetisation High Relative cost Very cost effective (Low priced) High temperature tolerance Good Corrosion resistance Excellent Surface finish Smooth (Dark grey in colour) Physical characteristics Very hard and brittle Workability Extremely difficult to machine or drill Uses Widely used throughout many industries Ferrite Round Magnets
Ferrite Ring Magnets
Ferrite Block Magnets
Ferrite Shallow Pot Magnets
Samarium Cobalt Magnets Properties (SmCo)
Released onto the market 1970 Magnetic output Very high strength Resistance to demagnetisation High Relative cost High High temperature tolerance Excellent stability over a wide range Corrosion resistance Excellent Surface finish Can be plated in a range of finishes Physical characteristics Very hard and brittle Workability Extremely difficult to machine or drill Uses Used when high magnetic strength is required in high temperatures
Click here for a demagnetisation comparison graph
Samarium Cobalt Magnets
Alnico Magnets Properties (Al-Ni-Co)
Component metals Aluminium, Nickel and Cobalt Released onto the market 1940’s Magnetic output Medium strength Resistance to demagnetisation Poor Relative cost Less cost effective as better alternatives have become available High temperature tolerance Excellent stability over a wide range Corrosion resistance Good Surface finish Often painted red Physical characteristics Often has a rough cast finish Workability Can be machined and drilled with difficulty Uses Used in high temperature environments Click here for a demagnetisation comparison graph
Alnico Horseshoe Magnets
Extruded Flexible Magnetic Strip Properties
Common Name Mag Strip Magnetic Output High strength to cost ratio Resistance to demagnetisation Very high Relative cost Low cost High temperature tolerance Good Corrosion resistance Poor on solvents (But good on many other chemicals) Surface finish Can be plain or coated with adhesive Physical characteristics Soft and flexible Workability Can be cut with ease Uses Widely used for promotional display boards Extruded Flexible Magnetic Strip
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