If you have some extra tungsten carbide scrap laying around that you have no intention of using, why not check out some carbide scrap prices from scrap carbide buyers on the web? You might find that you can sell scrap carbide to a motivated buyer who pays you for a great price for it. That way, you will be able to clear up the space that the carbide is taking up, and you will get a nice chunk of change from the person to whom you can sell carbide scrap.
You might not know it, but you have choices when it comes to picking a company to which you can sell carbide scrap. See if you can find a company that will sort your scrap, high speed steel, and alloys at no charge once you decide to sell carbide scrap to them. You would also do well to find a company that offers free pickup, so that you do not have to load up your car or truck with a bunch of metal when you decide that it is time to sell carbide scrap.