Thanks for the pics. I take back my suggestion of Recycle-A-Bicycle... definitely looks like scrap (or material for an art project, as you mentioned).

I see scrap metal collectors driving around JC pretty often, but not sure how they work: if they drive around looking for stuff on garbage collection days, or mostly work from tips / word of mouth. If you don't have other leads, you could try putting some of it out in the afternoon of your trash collection night and see if it gets picked up. If yes, do another batch the next week. If not, you'd have to pick it up off the curb & probably pay for removal. Good luck!