nostr:npub106dam65ww9ztdqj26xvh08dyuc7lj7nmkrtrujwsmyq2n6g3r33saq3m89 no, I annealed in vermiculite hoping it would be easier to drill, but it had no effect. I got it from a scrap yard that has an assortment of dimensional stock from project overages, so presumably it's all mild steel or at most a36. This was in a pile of about 100 sticks.