The Magnet Supply Chain Nobody Talks About-Until It Breaks, Warns American Magnetics Expert John Ormerod

Highlights

• Hard ferrite magnets power millions of products in autos, appliances, sensors, and industrial motors, yet the West has largely abandoned their large-scale production.
• China now dominates ferrite magnet manufacturing capacity, mirroring the same supply chain migration seen with rare earth separation and NdFeB magnet production.
• Ferrite magnets are not direct replacements for high-performance NdFeB magnets, but rebuilding Western capacity would still require major capital, skilled labor, and years of development.
• Strontium, a key raw material in hard ferrite magnets, does not appear on the U.S. Geological Survey's critical minerals list, raising questions about overlooked supply risks.

While policymakers obsess over rare earth magnets, magnetics expert John Ormerod (opens in a new tab) has drawn attention to a less glamorous but equally important industrial reality: hard ferrite magnets remain indispensable to modern manufacturing. Found in automobiles, appliances, pumps, sensors, loudspeakers, and industrial motors, these ceramic magnets quietly power millions of products every year. Yet much of the West abandoned large-scale ferrite magnet production decades ago, leaving China with dominant manufacturing capacity and exposing another overlooked supply-chain vulnerability.

The Magnet Hiding in Plain Sight

The modern economy runs on magnets. Not just the high-performance neodymium-iron-boron (NdFeB) magnets that dominate critical minerals headlines, but also the humble hard ferrite magnet. As Ormerod recently noted on LinkedIn, ferrite magnets remain the preferred choice whenever performance requirements can be met at a lower cost.

For decades, engineers have followed a simple rule: if ferrite works within the size constraints of the device, use ferrite. The result is a vast installed base spanning automotive auxiliary motors, appliances, industrial equipment, sensors, and consumer electronics.

The Industry the West Let Go

The most important issue here is not technological. It is industrial. The United States no longer possesses significant ferrite magnet manufacturing capacity. Europe's footprint has also diminished substantially. Meanwhile, China has built enormous production scale, complemented by meaningful capacity in Japan, South Korea, and India.

That reality should sound familiar. Rare Earth Exchanges® has repeatedly documented how Western nations allowed rare earth separation, refining, and magnet production to migrate overseas. Ferrite magnets tell a similar story, albeit with different materials and economics.

The Missing Context

Ormerod's warning is largely well-founded, but investors should recognize an important distinction. Ferrite magnets are not direct replacements for NdFeB magnets. High-performance electric vehicle traction motors, advanced robotics, wind turbines, and many defense systems still require rare earth permanent magnets.

Nor does ferrite production carry the same technological barriers as rare earth separation and magnet manufacturing. The raw materials are more abundant, and the chemistry is less complex. Yet that does not make the supply chain insignificant, as Ormerod noted (opens in a new tab) via LinkedIn.

Rebuilding tens of thousands of tonnes of annual ferrite capacity would require substantial capital investment, years of development, skilled labor, and committed customers willing to support domestic production.

The Question Nobody Is Asking

Perhaps Ormerod's most intriguing observation concerns strontium. Hard ferrite magnets rely heavily on strontium compounds, yet strontium does not appear on the U.S. Geological Survey's critical minerals list. Whether that omission reflects adequate supply security or simply a lack of attention remains an open question. Industrial resilience is often lost not through dramatic crises but through decades of neglect. Ferrite magnets may be "boring," but history suggests that the components nobody worries about today often become tomorrow's strategic bottlenecks.

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