Metals Documentation
Sm62
Samarium
Rare Earth
Last updated: January 2026Overview
A rare earth element used in permanent magnets and nuclear applications. Samarium-cobalt magnets offer superior temperature stability and corrosion resistance compared to NdFeB alternatives.
Strategic Relevance
Preferred for high-temperature and corrosive environments where NdFeB magnets fail. Critical for aerospace and defense applications.
Applications
01SmCo permanent magnets
02Nuclear reactor control
03Cancer treatment
04Optical lasers
05Headphones
Price History
Historical price trend (USD/kg or USD/tonne)
Physical Properties
- Density
- 7.52 g/cm³
- Melting Point
- 1,072°C
- Atomic Number
- 62
- Category
- Rare Earth
Supply Concentration
- China88%
- Australia5%
- Brazil3%
- Other4%