- Joined
- Nov 26, 2018
- Messages
- 84
Hey all,
I've been making knives for about 3 years. Have had great results heat treating 1084, AEB-L, A2, 154CM, 5160, and 52100. I've failed multiple times over the years with 15n20 however, and Im coming off a frustrating losing streak of 3 failed blades, so I really want to get this 4V small EDC blade right the first time.
Can't find much in the way of HT recipes online, so I'm planning on just going off the Crucible data sheet. Plan is to foil wrap the blade and austenitize at 1950F for 30 mins, plate quench with forced air until cool enough to hold, subzero treatment in dry ice slurry for a couple hours, temper twice for 2 hours each at 1000F.
I can't find much discussion on 4V heat treat online and would really appreciate input from people with experience with the steel.
Also, I do most of my bevel grinding pre-HT. With 4V, will the plate quench with compressed air be sufficient to get the blade, including edges, hard? I've heard mixed opinions, but have had good results with this method on most air cooled steels.
I'm really hoping to avoid having to a) rough in bevels on hardened steel or b) try and get my 1950 degree blade out of its foil pouch and into quench oil in a second or two.
Lastly, from this little bit of discussion that I've found online, people seem to be doing a Ln2 Cryo treatment. Think I can get decent reduction in RA with just a dry ice bath, or do I really need L2n for 4V?
Thanks in advance for the input.
Sam
I've been making knives for about 3 years. Have had great results heat treating 1084, AEB-L, A2, 154CM, 5160, and 52100. I've failed multiple times over the years with 15n20 however, and Im coming off a frustrating losing streak of 3 failed blades, so I really want to get this 4V small EDC blade right the first time.
Can't find much in the way of HT recipes online, so I'm planning on just going off the Crucible data sheet. Plan is to foil wrap the blade and austenitize at 1950F for 30 mins, plate quench with forced air until cool enough to hold, subzero treatment in dry ice slurry for a couple hours, temper twice for 2 hours each at 1000F.
I can't find much discussion on 4V heat treat online and would really appreciate input from people with experience with the steel.
Also, I do most of my bevel grinding pre-HT. With 4V, will the plate quench with compressed air be sufficient to get the blade, including edges, hard? I've heard mixed opinions, but have had good results with this method on most air cooled steels.
I'm really hoping to avoid having to a) rough in bevels on hardened steel or b) try and get my 1950 degree blade out of its foil pouch and into quench oil in a second or two.
Lastly, from this little bit of discussion that I've found online, people seem to be doing a Ln2 Cryo treatment. Think I can get decent reduction in RA with just a dry ice bath, or do I really need L2n for 4V?
Thanks in advance for the input.
Sam