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I Forge Iron


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    Norwegian expat living in Sweden


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  1. Newton's third law . . . action / reaction. I think the college 101 physics class would use this law. If you sit in a chair, your body will exert force on the chair (from above),-and the chair will exert the same force on your body (from below). In our case, a piece of steel between a hammer and an anvil will be hit by two forces;-one from the hammer and one from the anvil according to Newton. If this has anything to do with anvil hardness,-I don't know. Let the 101 physics figure it out.
  2. Well,- THIS video link removed due to language on Youtube claims just that . . . anvil rebound is horse xxxx. The video further says that blacksmiths prefer anvils with a good rebound because it makes the hammer jump back up and therefore saves energy for the blacksmith's arm. In my opinion (I might be wrong), rebound has to do with Isaac Newton, and that any action produces an equal reaction. So, when the hammer hits the workpiece from the top, an anvil with good rebound will hit the workpiece back from the surface of the anvil with a force depending on the rebound. Now,-is it true that rebound is of no value in an anvil, and should I trust Isaac Newton or the xxxxxxxxxxxxxxx on Youtube? BTW,-both my Swedish anvils have rebound a bit above 90%.
  3. Soderfors is a really small place with less than 2000 inhabitants, which is typical for Sweden's industrial policy. Locate industry in places where people otherwise would move away from. My other anvil is a Lesjofors, another mini town with less than 1200 inhabitants. The common feature of these places is a river, a fast running one, to produce the power needed, hence the suffix -fors in the names (fors=waterfall). So, if you end up in a town with a name ending with -fors, be sure it was or still is an industrial town producing items that require steel as a raw material. For people like us Sweden is "the land of milk and honey", or should I say, the land of second hand anvils, tongs, lathes and milling machines and any other steel item.
  4. It's a Nohab anvil. Nohab of Trollhättan, Sweden, startet manufacturing in 1847, producing locomotives, hydropower turbines and tank chassis and obviously anvils. Weight: 56 kilos. The anvil appears as almost unused and rings loudly like a bell when struck lightly with a hammer. Now,-it looks like it has a steel plate forge welded on the face. -Maybe it has, maybe not, but cast steel anvils usually has the name of the manufacturer protruding outwards. This anvil has the name and weight chiseled into the metal. -Perhaps it's a forged anvil with a tool-steel faceplate welded onto it. The face is flat with only a couple of very small scars. The edges are undamaged and a very small portion on one side is sligthly rounded. I'm not selling this . . . ever!
  5. I'm not sure about the weight, but it is smaller than my 80 kg Lesjöfors anvil. The vise weighs 20 kg. I'll take some more pics, hopefully tomorrow. -I need to buy some chalk too. I haven't really looked at it yet. Been busy adding a concrete floor and insulating my old shed.
  6. Came across this one today,-an old Swedish anvil, can't remember the brand. Look closely, it has a thick toolsteel face forgewelded onto it, no dings, cracks or wounds on the face and the edges are without blemishes. The face is very smooth and flat, I consider myself lucky. The seller had several anvils for sale but this one was the nicest of the lot. Oh BTW,-I bought a blacksmith's vise also.
  7. I've tried welding a piece of high carbon steel to a rod of unknown steel once. -Should have known better,-the weld cracked a few days later. -Never again.
  8. I don't know much about anvils either, but I know they can be cast iron (cheap and not very good), cast steel, soft iron with a tool-steel face etc. Different anvils would require different methods of repair. A welder working in a shipyard may only weld low-carbon steel in his or her lifetime and may know nothing about hardening and tempering higher carbon/tool-steel.
  9. Cooling down is critical since the base metal and the weld will shrink at different rates. Too fast, and the welds will crack. I once tried to weld cast iron with nickel rod, which should be just fine. It cracked due to the fact that I didn't preheat, and let it cool down without insulating.
  10. I know that many reface their anvils by welding, and it's OK as long as they follow the rules. Preheating, correct rod that goes well with the base metal etc. I'm not a welder by any stretch so I'll use the anvil as it is. There's a video on YT where some guys are heating an anvil up to hardening temp and then dropping it in a barrel of oil. -Not for the faint of heart.
  11. I'm a Norwegian expat presently living in the north of Sweden. Sweden is nice since it used to be an industrial nation, so there are loads of machines and equipment hiding in garages and barns to be had for cheap. Swedish stuff by the way, is of very high quality. -I like it here. I'm not sure I understand the question. -What I'm planning to make, or what I'm able to make (on an anvil)? I make knives (stock removal method), so for doing that I really don't need an anvil, but it would be nice to be able to make chisels, drifts, candleholders etc. and for that the anvil will come in handy.
  12. As I said,-there is an air hardening tool steel welding rod to be had, but I do not know if this rod would match well with the steel in the anvil. And if not, the anvil would be ruined, so I won't take that chance. I'll start using the anvil as it is.
  13. Robb Gunther's method requires heating the anvil to 400 F before welding, but there exists a welding rod made from air hardening tool steel (Selectrode 1256) that do not require the base metal to be heated up. Hardness when untempered is 55-60 HRC. But, it all depends on wether this rod welds well to the base material or not. If it does, all is well,-if not, the anvil is ruined.
  14. I wonder what could have caused the damage. A chisel will raise a lip, but the marks on this one looks similar to what you would see if a grinder with a thin cut-off wheel was used so there's nothing to planish. Yes, it has been mistreated badly, and it makes me wonder what could have caused it. However, the old anvil has been rescued from the grave and will give years of service still.
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