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  1. R

    Z-Tuff Chopper

    How did the tests turn out? I’ve made a couple blades in this steel, but haven’t tested thoroughly yet.
  2. R

    Recommend a heat treat for 4v

    I tried the plate quench, with a 1950 aus temp. My blades turned out at 61 rc after temper, which is exactly what I was looking for. I’ll let you know how my testing turns out. I have one blade I made that I will be doing a standard cut test, and end up destroying it. We’ll see how it turns out.
  3. R

    Recommend a heat treat for 4v

    I was able to hit 66-67 rc after quench, followed by a 30 minute cryo. Final rc after my tempering process turned out 61 rc. Which is what I was looking for! I’ll let you know how they turn out after I test them.
  4. R

    Recommend a heat treat for 4v

    What are you keeping your rc at for your hunting blades. I’m looking for around 61 rc I think! I just ordered a couple more bars of 4v and vanadis 4e, So after I profile these, I’ll be trying that heat treat! I’ve been told by people that work with this steel a lot, that this looks like a solid...
  5. R

    Recommend a heat treat for 4v

    I’m gonna try this with a prequench, between plates, then a final plate quench at higher aust temp, followed by cryo, and low temp temper! See how that goes first. I’m guessing 1750 for 30 minute soak, plate quench, then back in, followed by another 20-30 minute soak at 1950. Cryo, then triple...
  6. R

    Recommend a heat treat for 4v

    I am surprised on the oil quench. I can’t find much on this! I usually use frozen quench plates. What kind of quench oil are you using? I have parks 50 on hand.
  7. R

    Recommend a heat treat for 4v

    Thanks for the replies, I just got my rc tester, so now, I’ll make up some coupons and try a few different things. I’ll test with oil, plates, prequenching, and maybe a few other things. The only problem is finding the time to do this.
  8. R

    Recommend a heat treat for 4v

    Does anyone have a heat treat similar to what Carothers is using? I’m looking more for toughness, I’m building a “survival knife” out of this steel, and looking for a good tough heat treat, with minimal chipping. From what I’ve read on Nathan’s forum, the industry standard heat treat leaves a...
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