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  1. L

    Crazy Crow knife

    After developing a patina and being lightly polished back, often you can see layer boundaries in a shear steel blade. They often have like an elongated C upon C appearance because of the blade taper. The Japanese folds, I assume, might be so thin and multiple it may require high magnification to...
  2. L

    German silver/nickel brass wood screws

    Not really, but the seemingly filed off machine/metal threads would indicate to me that the screw is probably a later date home replacement, just to keep everything going.
  3. L

    German silver/nickel brass wood screws

    Good enough, but if PC/HC could ever be a concern you would need steel with the heads cold blued, heat blued or browned.
  4. L

    German silver/nickel brass wood screws

    German/nickel silver is a solid alloy. Plated is a thin coating over another metal. I don't know any source of nickel plated screws. Original gun screws would be of solid iron/steel. Early gun makers considered anything else would not be strong enough to trust. You could use stainless steel...
  5. L

    Crazy Crow knife

    That Old Hickory Is of 1095 steel.
  6. L

    Crazy Crow knife

    What you described is shear steel. Common Damascus is two or more different steels which can be hammer welded to show a pattern when acid etched. Shear steel starts with blister steel and when done well is a very good quality steel and was still being made in 1950's Europe. True Damascus was/is...
  7. L

    Green River knives

    Hi Stophel. Hope you are well. Mark the apex of the curve in the blade with a marker, pencil, or best guess. polish the apex area to bright metal maybe an inch and a half or so forward and aft of the apex. Put tang, or blade if need be, in vice and flex the blade enough to become straight to...
  8. L

    Green River knives

    Hi Stophel. Hope you are well. Mark the apex of the curve in the blade with a marker, pencil, or best guess. polish the apex area to bright metal maybe an inch and a half or so forward and aft of the apex. Put tang, or blade if need be, in vice and flex the blade enough to become straight to...
  9. L

    3 “English” Style Trade Knives

    Should be good working knives, but if PC is ever a concern, English blades were pretty thin and not scandi ground. On average scalper sizes, 1/16" to 3/32" thick with a distal taper. Not a major problem but scandi grinds do cause some amount of drag in cutting material thicker than the grind...
  10. L

    Rehardening frizzens - one size fits all? Musings for metallurgy masterminds....

    I believe that depends more on the alloy. 1095 is not considered a through hardening steel. About 3/16" is what I have read from most bladesmiths for 1095, but I believe O1 is or is close to be considered though hardening because of the alloys in it. It is my assumption, in general, steels...
  11. L

    Rehardening frizzens - one size fits all? Musings for metallurgy masterminds....

    Jerry Huddleston once said he could get as much as 1/32" depth on some parts, but said he wasn't sure if he get more than that, and I think he said .020 was not a problem.
  12. L

    Rehardening frizzens - one size fits all? Musings for metallurgy masterminds....

    That is why I suggested Go with what you have that works for you, but yeah if you want to try it, give it a go.
  13. L

    Rehardening frizzens - one size fits all? Musings for metallurgy masterminds....

    Yes, the nitrates, but I will stick with sea salt from the store.
  14. L

    Rehardening frizzens - one size fits all? Musings for metallurgy masterminds....

    Tough Quench is not the best for 1095, it is a medium speed oil quench close to PARK AAA. BUT, if it works satisfactory to your standards with spring HTing, stay with it. It will not HT 1095 blades to their potential because it is a wee bit too slow. If you think about it, all quench oils are...
  15. L

    Rehardening frizzens - one size fits all? Musings for metallurgy masterminds....

    I think there are different salts, but I think I would stick with sea salt, or even table salt. Does the chicken manure formula also prevent warp, or do you still have to point the blade north? Sorry, couldn't help myself.
  16. L

    Rehardening frizzens - one size fits all? Musings for metallurgy masterminds....

    Water quenching is uneven because of the major vapor jacket that is created around the hot steel blocking even contact with the water. Uneven contraction/cooling is the major cause of cracking. A brine solution greatly lessens the risk as the salt instantly and evenly coats the steel and blocks...
  17. L

    Any bladesmiths here?

    You need to "dabble" some more. Thats a nice piece.
  18. L

    Mainspring Fabrication

    Do you realize 1300° centigrade is 2,372°Fahrenheit??
  19. L

    Rehardening frizzens - one size fits all? Musings for metallurgy masterminds....

    Did you anneal the heel area after hardening?
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