Keep at it, need any help.. Let me know.
If you are looking for small piece Heat treaters, let me recommend Peter's or AKS (Alpha Knife Supply). They will do minimum quantities for a very reasonable price.
If you need their info, let me know and I will get it for you.
Troy
This in a little brick oven will be plan "B":
They say it can get up to 3,000 degrees. I'm not so sure of that, but for $20 it's worth it to have around anyway.