Soft Magnetic Components
Permanent Magnet Components
Overmoulding and Secondary Operations
Quality
Technical Support and Prototyping
We are a worldwide full service
supplier offering:
Specialised soft magnetic components
A full range of permanent magnets
Overmoulded magnetic components
Specialised Magnetic Testing
Design and technical support to provide the optimum magnetic solution for complex applications
Accredited quality systems, incorporating advanced product quality planning (APQP), statistical process control (SPC) and continuous improvement plans
Silicon Iron
Iron Phosphorus
Chromium Iron
Soft Magnetic Composite
Alnico Magnets
Plastic Bonded Magnets
Neodymium Magnets
Other Materials

Silicon Iron

SGM manufactures a range of Silicon Iron components for automotive and industrial solenoid applications. The material gives an excellent combination of soft magnetic properties with the added benefit of high resistivity. Typically, in excess of 98% theoretical density is achieved, giving mechanical properties comparable with wrought material.

In response to the desires of major automotive clients in the diesel industry, SGM has developed the ability to vary the amount of silicon, and tailor the properties of a component to match the magnetic requirements of an application.

Example material grades:
SPM S2.5/5 - 2.5 wt% Silicon Iron
SPM S3/5 - 3 wt% Silicon Iron
SPM S4.5/5 - 4.5 wt% Silicon Iron
SPM S6.5/4 - 6.5 wt% Silicon Iron
SPM SP2/5 - 2 wt% Silicon and 0.45 wt% Phosphorus Iron

Example applications:
Stator cores for diesel injector solenoids
Armatures for diesel injector solenoids (passenger car and heavy duty)
Armatures for common rail diesel pumps
Automotive / industrial solenoids where speed of response is important
Comprehensive magnetic and electrical data for our SiFe materials is available for use in FEA magnetic simulation.

Click here for typical magnetic properties
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