[rootusrootus]

> Russian titanium, which is produced in such quantity

Russia is what, third on the list of countries by titanium production? [0] Japan produces more. China produces quite a lot more. It should not be -that- hard to avoid using Russian titanium.

[0] https://en.wikipedia.org/wiki/Titanium_production_by_country

[samatman]

It would be more difficult to avoid, if suppliers were forging certificates to claim that Russian titanium was coming from somewhere else.

Which they might do, if sanctions meant that the titanium was cheaper, and they could pocket the difference.

[braincat31415]

There is a general shortage of titanium. It would be hard.