Metals Documentation
Re75
Rhenium
Transition Metal
Last updated: January 2026Overview
One of the rarest elements in Earth's crust. Rhenium superalloys are indispensable for jet engine turbine blades, enabling higher operating temperatures and fuel efficiency.
Strategic Relevance
No viable substitute in high-temperature aerospace applications. Global supply is constrained by copper and molybdenum mining volumes.
Applications
01Jet engine superalloys
02Rocket nozzles
03Petroleum catalysts
04Electrical contacts
Price History
Historical price trend (USD/kg or USD/tonne)
Physical Properties
- Density
- 21.02 g/cm³
- Melting Point
- 3,186°C
- Atomic Number
- 75
- Category
- Transition Metal
Supply Concentration
- Chile30%
- Kazakhstan15%
- USA12%
- Russia12%
- Other31%