Randy Lucius
Well-Known Member
Need to heat treat an O1 blade. Read that Parks 50 is not recommended. Instead they recommend Parks AAA. Don’t have any and don’t want to buy for one blade. Anything else I can use?
Quench Oil For O1
- Thread starter Randy Lucius
- Start date
Sean Jones
Well-Known Member
I've quenched two O1 kitchen knives in Canola Oil before. It worked to a degree but I don't know I would recommend using it if it's for a customer. The two O1 knives I use in the kitchen take a really good edge but they need to be sharpened frequently.
McMaster Carr has two inexpensive quenching oils that might work. They list an 11 second and a 22 second oil.
McMaster Carr has two inexpensive quenching oils that might work. They list an 11 second and a 22 second oil.
Casey Brown
Well-Known Member
Send it off to a professional heat treater. For one knife I would use Paul Bos Heat Treat.
Randy Lucius
Well-Known Member
That’s the problem. I’m heat treating it for a friend.
Kevin R. Cashen
Super Moderator
Not Parks #50, it is a replacement for water, ad nobody would want to quench O-1 in water. The AAA is the stuff for O-1, or the MacMaster Carr. Any medium speed oil will do, since O-1 is meant for oil hardening. The quenchant is rarely the tricky part with O-1, but rather getting it to proper solution in the heat soak. An oven at 1475°F would be best.