Samarium cobalt magnets are made from a blend of samarium (Sm) and cobalt (Co), and are typically produced in grades ranging from 18 to 32. Known for their ability to withstand high operating temperatures (above 180 °C) and resist opposing demagnetizing forces, SmCo magnets are a reliable choice in demanding applications.
At SuperMagnetMan, we offer a wide selection of SmCo magnets—powerful rare earth magnets prized for their temperature stability, corrosion resistance, and long-term reliability. These properties make them well-suited for medical devices, high-temperature motors, and harsh industrial environments.
Our SmCo magnets are available in a variety of shapes, sizes and grades to meet precise performance requirements. Below are some of our most popular product categories to help you find the right fit quickly:
SmCo magnets (grades 18–32) withstand high temperatures (above 180 °C) and resist demagnetization—ideal for medical devices, high-temperature motors, and harsh environments. Explore the categories below to quickly find the right fit for prototyping, testing, or production.
Popular Samarium Cobalt Magnet Shapes
Disc Magnets — versatile and durable for high-performance designs
Ring Magnets — excellent for motors, sensors, and magnetic couplings
Rectangle Magnets — reliable strength for assemblies and prototypes
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