72Hf178.5Hafnium
tech · Z 72 · 178.5 u
Hafnium (Hf)
Hafnium is zirconium's twin. Nuclear and superalloy specs are ounces, not tonnes.
Availability follows nuclear zirconium production in France, the US and Russia. Semiconductor HfO2 is a high-purity offtake on top.
Geo
Mine, process, refine.
| ISO | Country | Role | Note |
|---|---|---|---|
| FR | France | Refine | Nuclear Zr / Hf split |
| US | United States | Refine | Sponge |
| RU | Russia | Refine | Screen |
| CN | China | Process | Growing split capacity |
Forms
- Hf sponge
- HfO2
- Crystal bar
Uses
- Superalloys
- Nuclear control
- Semiconductors