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I Forge Iron


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About CrazySmithy

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    Uintah, Utah.

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  1. Goods, how would you test unknown steels? I only know the spark test to check for high carbon. Is there a way to tell the AISI number some how?
  2. Okay. Me and my dad have plans to eventually build a heat treating oven. I just searched it up, and google says to temper 5160 at 375F-400F. So now I have another question, is that number found on google just what you would temper 5160 at? Or are there different temperatures that 5160 can be tempered at? Simplifying the question, is the tempering temperature that I'll find on google for whatever steel I may be using just the set temp for that steel? That's the temp for everything you might use the steel for? Also you're saying that the time it is tempered doesn't really matter
  3. I'm looking through the heat treating stuff, just need to study it over and over now. When you say tempering to the color blue you are talking about to color/temperature spectrum right? I have a book... The Modern Blacksmith? I think? I can't remember the name but it is very informative. It talks about heat treating and tempering, but it really only mostly talks about the scratch/watch the color/quench method of tempering. If I am thinking of this right, after I quench my piece I would stick it in the oven for an hour, And like Steve has said in one of his posts let it cool and sit for a
  4. Hey guys, I don't know whether this exists already but I figured I'd just go ahead and start one. Anyways, I have a couple questions. Around 6ish years ago (I'm 18 now) when I first tried blacksmithing, my dad was running a "Build Camp" for kids. We have a large shop and almost all the tools you could ever need including many machines. For this camp, we decided to try blacksmithing, building a forge and trying to make something. My dad had done a little bit when he was a teen, but still, he didn't really know what he was doing, he just had a basic knowledge of it. It was still fun, everyo
  5. I'm not sure what kind of coal it is, and it's probably more likely just household coal, we got it when we helped a neighbor tear a shed down. The pieces are just random sized pieces, from pea sized to soft ball sized pieces. It is a side blast forge, the tuyere is water cooled coming in at a slight angle, stopping at the edge of the brake drum I have in a 55 gallon barrel as a fire pot. And I have not tried charcoal, I would, but I have tons of coal on hand and I'd rather use that first.
  6. Hello! So I am currently talking to some people about this in my other topic, but I figured it might be nice to just have a subject about it for beginners like me. I am curious about how much air certain fuels need. I am using coal, but answers for coke and charcoal would be great to for others. For me, I don't believe I am getting enough air to my fire. I don't have any obstructions, maybe some clinker, but not enough to stop my fire from getting hot enough. I am using either a small Chinese hand crank blower or a small squirrel cage blower. The fire would get hot, but it was
  7. There wasn't any obstructions, and I used 1" pipe for the tuyere. But I don't think my blower is pushing a sufficient amount of air. What is the "Sufficient amount" of air? Is there a way to measure it? Also, does your fire usually roar? Rather then just... Purr I guess?... I just don't think I'm moving enough air.
  8. The problem I am having though is that it is so deep that the air is only reaching the bottom, it can't get embers past where the tuyere pipe is, even with more coal on the fire. I can't seem to get enough pressure to push the oxygen up where I need it.
  9. Okay! So I went out and lit it up today. I turned it into a side blast over the last couple of days. It worked, but only barely. And I think I know what the problem is. I don't think I have enough air volume. It wasn't getting hot enough, and unless my steel was in just the right spot, my steel would actually cool down. So, naturally, I took off the small hand crank blower and switched to an electric blower. It had about the same results, just less tiring. So I hooked up a Rigid shop vac on blow. Lit it up like a Christmas tree. It was too much air, but I could adju
  10. Oh, okay, that makes a lot of sense Glenn. I'm about to go get the tuyere built, so I should be able to implement all this tomorrow.
  11. Ah, okay, gotcha. That's super helpful, thanks!
  12. Hmm... What if I made "Coal dust cubes" with an ice cube tray? Just an idea.
  13. Thanks Glenn, solid advice. As far as the fines goes, to let it clump up in water and then let it dry? Or throw it on the fire while it's wet? And also, as far as coke goes. Is coke the really light burned up kinda "crispy" coal? Pretty much like charred wood or charcoal? And Thomas, you're saying that you basically cake the coal pile with wet fines and it'll dry into small coke chunks?
  14. Okay, here are the photos. And what about water cooling the pipe? I know how to make a sleeve over the pipe, but how do I supply the water to the sleeve? And as far as coal does, I don't want coal dust do I? I want the good solid small chunks in a big pile, so there's no dust stopping the air from getting to the coal, and so I can just push my work pieces into the coal without having to "Find the sweet spot".
  15. Hey again! It's been a long time since I've been on here. I posted a while ago asking for help with a brake drum forge that wasn't getting hot enough. Or I wasn't using right. I got a lot of good help and advice, but I quickly learned it wasn't quite built right, so of course I go on a hiatus. Now with all this time on my hands due to Covid-19, I went out and started building a shop with a chimney so I could stop adding smoke damage to the porch roof. I disassembled the old forge and grabbed a 55 gallon barrel. I cut a door out of it, a chimney hole in the top and a big hole in the
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