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I Forge Iron

northbayforge

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Posts posted by northbayforge

  1. Beth,
    Corten is supposed to weather very evenly, I'm thinking a good choice for an exterior project, near salt water. My community needs the entrance to our cemetery completed, possibly with an arch. I'm hesitant to use mild steel because with the high percentage of carbon nowadays, it weathers so badly. I'm considering stainless steel or silicon bronze boat shafts, though I really don't know much about those materials either...
    JIm

  2. back a few thoughts in the thread...
    I temper in a salt bath. The scale from hardening is not removed from each blade, but at least one is, so I can check the color. A good (Fluke) dig. thermometer tells me the temp and has shown that there are not significant hot spots or temp drops or raises. OK, the interesting thing is that after 15 minutes in the bath at 410 F, there are no signs of tempering colors. But after an hour there are, and they get darker (light straw to dark straw) after a few hours. There is most probably limitted oxygen in the bath and as Grant said, the oxidation (tempering colors) is a gradual event.
    I do this long tempering time (at quite low temperature) because I think it yields greater toughness without sacrificing as much hardness.

  3. Thanks for that Monstermetal. My main thing has been forging small carving knives for wood carving with a 35# air hammer that has bolt on dies. I change the dies around a lot, depending on the blades I'm making. What I have been wanting is an old style hammer (much nicer to look at!) with dedicated dies for small ornamental work (1/2 to 1 1/2 inch diameter), doing both drawing and flattening.
    Anyway, I greatly appreciate your advice and will certainly be heeding a lot of things you've said in other recent posts about the champions. THANKS!



  4. Also I said I would do combo dies on that hammer and the only reason for that is because unlike a little giant the center of the tup weight is centered in the skinny of the die so working on either end has much less of a negative effect on the hammer.. and since it sounds likely this will be your primary hammer and its relatively small ( but capable ... a 65lb Champion that is well tuned will almost do the work of a run of the mill 100lb little Giant though) its sure nice to have fullering dies to quickly break down material and blend transitions..... If you have any questions Id be happy to help... I have owned two #1's and done some pretty major work on them including pouring new bearings in one....


    I'm in the process of buying a #0 champion. I've been told the dies are about 2x6, pretty flat. Wondering if it would be a good idea to round half of each die to make them comboes - or am I expecting too much?
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