Why No Titanium Coins?

It's a strategic metal so it's probably difficult to get enough together to make an appropriate quantity, also, there is nothing special about an extra light coin in your pocket.....If anyone remembers aluminum Italian lira coins, it doesn't give you the feeling of heft or value that Au or Ag in your pocket will give you.

Not everything made from Titanium costs a lot , a few years ago SanDisk made cruzer titanium flash drives with elegant titanium bodies

Raw titanium is cheap; the cost comes from working with it to turn it into something useful. Titanium is way too difficult to work with, as far as punching out blanks and stamping intricate designs with dies is concerned. It's just too tough, and requires special conditions (titanium is softer when worked in an oxygen-free atmosphere, for example, or when heated above 430 degrees C). You can't melt it easily; it's theoretical melting point is 1650 degrees C, but it catches on fire before it melts so you need to melt it under vacuum. This makes recycling the scissel less economical. A mint making mass-production circulating titanium coins would pretty much need to be purpose built - you couldn't simply switch a normal mint over to titanium production. There are plenty of more economically viable metals they could use instead.

Some countries have made titanium coins, but purely as NCLT for novelty's sake. Pobjoy Mint in particular has produced several, both bimetallic and solid titanium, and Austria has produced some bimetallics.

for all the reasons given. I suspect titanium would wear out steel dies just too fast.

I don't know what Pobjoy and Vienna do to make theirs, but being NCLT, they can afford to take however much time they need. The problems with titanium escalate when you try to speed things up and do a high production run for mass-circulation coins: titanium is much tougher at room temperature but tends to get softer than steel much quicker as you heat it up; I think the working temperature for high speed dies would get too hot for titanium dies to be stable - especially if you were heat-softening the blanks prior to striking.

Plus, steel is much more versatile: you can carve or stamp a design into a piece of soft steel alloy, and then temper it to make it harder and tougher. I don't think you can do that as easily with a piece of titanium.

Also depends strongly on the alloy. Ti is harder than soft steel but softer than hard steel. So the dies and the blanks would need special treatment.

I was unaware titanium easily anodized. But, since Canada and Austria seem to like niobium for their anodized coinage, is this a real advantage not being the only metal for such coloring? Most titanium coins I see are trimetallic.

Find me a forge and some titanium... that would be better than floating aluminum coins on water

On the subject of aluminum, I remember my geology teacher saying it used to be expensive to process ore to get aluminum, so it was considered a semi- to full precious metal, malleable, almost impossible to corrode, sounds like gold aside from the light weight. The Washington monument was originally caped by a solid pyramid of aluminum, because it was so rare.

Compressed coal powder and porcelain coins have been tried too. just talked about that the other day. https://goccf.com/t/167420