* nuclear reactor components
- zircaloy 2 (alloy with some Sn, Cr, Fe, O): nuclear fuel rods
- zircaloy 4: calandria
- Zr-Nb: pressure tubes
- U-Zr-Er-H: nuclear fuel
* alloys for space aircraft and aviation (Zr-Al)
* to made pumps, pipes and valves for special processes in chemical industry
* getter, its values are flash bulbs
* component of incendiary bombs
* crucibles, etc. (cheaper than platinum crucibles)