Rhenium (Re) is one of the rarest and highestmelting metals, valued for its exceptional thermal stability, strength, and resistance to creep at extreme temperatures. It is a key alloying element in nickel and cobaltbased superalloys, greatly enhancing hightemperature performance in jet engines, turbine blades, and other aerospace components.
Rhenium is also used in highprecision electrical contacts, thermocouples, and thinfilm coatings due to its excellent conductivity and stability. Rheniumtungsten alloys enable ultrahightemperature measurement in aerospace, metallurgy, and research. In the petrochemical industry, Rhenium serves as an important catalyst for reforming processes, improving efficiency and durability.
With its unmatched heat tolerance and mechanical reliability, Rhenium is essential for advanced aerospace propulsion, hightemperature measurement, and demanding industrial applications.
General Properties
| Properties | Value |
| Element Name | Rhenium |
| Symbol | Re |
| Atomic Number | 75 |
| CAS Number | 7440155 |
| EC (EINECS) Number | 2311245 |
| Appearance | Silverygray / greyishwhite metallic solid |
| Atomic Weight | 186.207 |
| Density | 20.8–21.02 g/cm³ at 20 °C |
| Melting Point | 3186 °C (3459 K) |
| Boiling Point | 5590–5596 °C (5863–5869 K) |
| Crystal Structure | Hexagonal closepacked (hcp) |
| Hardness | Mohs ~7; Vickers ~1350–2450 MPa |
| Thermal Conductivity | ~48 W/(m·K) |
| Electrical Resistivity | ~193 nΩ·m at 20 °C |
| Electronegativity (Pauling) | 1.9 |
Product Availability
We supply highpurity Rhenium (Re) pellets, shot, ingots, powders, oxides, alloys and precisionmachined parts engineered for industrial applications requiring exceptional
thermal resistance.
| Purity | Up to 99.99% (4N) |
| Forms | Pellets, Shot, Ingots, powders & oxide or custom req |
| Components | machined or customfabricated Based on drawings |
| Packaging | Vacuumsealed, moistureprotected packaging |
For inquiries regarding Rhenium materials, alloys and parts, please contact our sales team for details at sales@american-gmg.com.