Sk Bjorn Posted February 4, 2017 Share Posted February 4, 2017 Have made a knife out of an old semi spring and did a hand filed profile on the blade . Once I heat treated it I ended up with this scale paternity in the steel Quote Link to comment Share on other sites More sharing options...
ThomasPowers Posted February 4, 2017 Share Posted February 4, 2017 It is possible to make steel from scale, as scale is a high grade ore---magnetite. Was there a question about the fine "bubble" pattern often seen on quenched items? Quote Link to comment Share on other sites More sharing options...
Sk Bjorn Posted February 4, 2017 Author Share Posted February 4, 2017 Yes did this happen because I did not brushes it off between the coal forge and the veggie oil or was it a temperature issue ? Quote Link to comment Share on other sites More sharing options...
ThomasPowers Posted February 4, 2017 Share Posted February 4, 2017 more of a "It happens with quenching" sort of thing. Quote Link to comment Share on other sites More sharing options...
Sk Bjorn Posted February 4, 2017 Author Share Posted February 4, 2017 Ok think I found an answer in þh blade form too much o2 while heating to temp so I will try a higher banked coal fire and easy on the air so if that helps thanks Quote Link to comment Share on other sites More sharing options...
ThomasPowers Posted February 4, 2017 Share Posted February 4, 2017 Or use a piece of pipe for a muffle with crushed charcoal in the bottom. Quote Link to comment Share on other sites More sharing options...
Sk Bjorn Posted February 4, 2017 Author Share Posted February 4, 2017 I will have to try that thanks Quote Link to comment Share on other sites More sharing options...
JHCC Posted February 4, 2017 Share Posted February 4, 2017 5 hours ago, Sk Bjorn said: I ended up with this scale paternity in the steel Yes, quenching is definitely the father of this effect. Quote Link to comment Share on other sites More sharing options...
Sk Bjorn Posted February 5, 2017 Author Share Posted February 5, 2017 so was it how I quenched or my oil temp when I quenched I thawed the oil then dropped two hot rr spikes into it to heat it up before I quenched but the knife barely fit so I could not move it up and down much using a àmo box for my quench tank Quote Link to comment Share on other sites More sharing options...
Tommytaptap Posted February 6, 2017 Share Posted February 6, 2017 It is a rather nice patination effect to my eye. I would be happy if one of mine turned out that way-unless i was looking for a different finish of course. Would it have any detrimental effect to the strength of the blade? If not it would be a keeper to be repeated for me. Quote Link to comment Share on other sites More sharing options...
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