How the fuck do I heat treat this knife evenly with a blowtorch?

How the frick do I heat treat this knife evenly with a blowtorch?

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  1. 11 months ago
    Anonymous

    two blowtorches like how you toast bread

  2. 11 months ago
    Anonymous

    ask PrepHole

    • 11 months ago
      Anonymous

      The fine folks over at PrepHole told me to frick off to /k/ with weapons questions

      • 11 months ago
        Anonymous

        well frick off back to PrepHole or post in the questions that don't deserve their own thread thread because this dogshit thread sure as shit didn't need to be made

        • 11 months ago
          Anonymous

          >or post in the questions that don't deserve their own thread thread because this dogshit thread sure as shit didn't need to be made
          who pissed on your cake homie

        • 11 months ago
          Anonymous

          If you don't know you don't have to say anything.

      • 11 months ago
        Anonymous

        i highly doubt that.

    • 11 months ago
      Anonymous

      well frick off back to PrepHole or post in the questions that don't deserve their own thread thread because this dogshit thread sure as shit didn't need to be made

      Stupid pure consooomer homosexuals like you are a cancer on this board. People wanting to do their own work with weapons is based.

  3. 11 months ago
    Anonymous

    look up a paint can forge and make one, costs like 20 bucks. basically just plaster of paris, an empty paint can and some sand.

  4. 11 months ago
    Anonymous

    It's easy if you are willing to do a little fabrication. You can make a forge for your torch with a metal coffee can and some refractory fabric and clay. Shouldn't cost more than 30 dollars and you'll have it for future projects. I wouldn't attempt to heat it with just a torch although it may be feasible since it's not that big.

    • 11 months ago
      Anonymous

      What steel did you make it out of? Hopefully it is something with a simple HT process. Not all steels are HT'd the same.

      Should be doable with the size of blade op has. Those coffee can forges are not way better than the naked flame when it comes to distributing heat. If you keep it moving, watching the color to keep it even, it is pretty doable.

      The kind of coffee can forge I made before used perlite (expanded rock foam basically, found in the gardening section) to increase the insulation effect. A real propane forge is honestly also pretty cheap to diy and I would definitely recommend skipping the coffee can if you can.

      • 11 months ago
        Anonymous

        It's 1075 steel. I have a few magnets to verify temperature, two fire bricks to preserve heat and canola oil for quenching. I'm mostly concerned that it will warp/shatter during the quench, or otherwise suffer from uneven heating

        • 11 months ago
          Anonymous

          i'm not a blacksmith but isnt 1075 fairly forgiving?
          Perhaps just do a differential heat treat, i highly doubt anything will shatter if you keep the bulk of the knife soft

          • 11 months ago
            Anonymous

            1075 is on the edge of quench/differential heating making it crack sensitive.

            Also I'd temper it in your oven at 400f for 2 hours after

        • 11 months ago
          Anonymous

          You want to quench 1075 around cherry red color, run the blowtorch along the edge until it's even, don't overheat it cause it'll grow the grain inside and make it more brittle. Also, try to pre heat your canola oil loosly until it gets a bit too hot to let your fingers inside. It shouldn't warp if it's edge is over 1.5mm in thickness, then don't forget to reheat your blade around 230° celcius cause otherwise it'll be so brittle that it could snap if you let it fall on the ground

  5. 11 months ago
    Anonymous

    idk, depends what you made it out of. Maybe just heat treat the cutting edge and leave the spine soft?

  6. 11 months ago
    Anonymous

    >Stick it in a toaster
    >Stick it in an oven
    >Just make a fire and toss it in until it glows.

  7. 11 months ago
    Anonymous

    cum on it, make it your knifeson and bend it to your will

  8. 11 months ago
    Anonymous

    I would just buy this one from a store.

    • 11 months ago
      Anonymous

      Anon, a lot of people could buy a thing at a store, for less money, less time, and most likely a better end product than making it themselves. But some people, like OP and others here, like doing things just to do them. For the fun or the process or the challenge or whatever.

      • 11 months ago
        Anonymous

        Yeah that sounds like PrepHole, not /k/

  9. 11 months ago
    Anonymous

    Heat it to 900-950C then dunk it in motor oil. It won't crack unless you unevenly heat or water quench it. You can get it this hot with charcoal and a leaf blower.

  10. 11 months ago
    Anonymous.

    Temper it with a forge and oil, then anneal it by gently wafting the blowtorch over it until it goes yellow in a fairly even fashion.
    Watch the blade edge, that will anneal quick as anything. Emphasize the back of the blade and tang.
    Just be slow and very miserly, it goes quickly.

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