I just purchased 20 pounds of 5160 from Andy Liddy.
https://www.facebook.com/groups/211138179026298/user/1380553235/
Here is the info on the Brookhaven Blacksmthing website.
Redirecting....
He has it in varying lengths as well as some pellets pressed from the same steel you could make some damascus from.
I priced 5160 on Amazon and it was about $17 for 1.5 pounds so $5 a pound seems pretty good to me.