Tempering in oil?

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Stacy, Stacy, Stacy. When I first read the north/south thing I chuckled out load. But then when you started going on about the Coriolis effect and magnets in the stove, you almost had me going. But then it dawned on me....what does the Coriolis effect have to do with a stationary object in a stove. LOL We are way too easy and at the mercy of the master. :confused:
 
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I didn't bring it up, but a low temp salt pot is perfect for a sword. They are also much simpler and safer than a high-temp salt pot. I have seen smaller ones that sat on a hot plate. Mine has a cheap (free) pottery kiln for the heat source and the stainless tube sticking out the top. A simple PID control runs it. The salts are readily available ... and are the same ones used for nitre bluing.
 
If you do this, make it a habit not to dunk the hot oil covered blade in ice water or anti freeze/dry ice afterwards. Does anyone else quench their tempers in normal ice water after?

It should be common sense but I got to watch it happen last week.

As for magnets couldn't we just put a high powered magnet on the tip as it cools into magnetic as a gimic.
 
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Count, IIRC, the lead pots were used as high temp pots. Lead's melting point is 621F which is too high for old school carbon steel, but its boiling posit is like 3000F + Now ifs did read about some evil lead-mercury brew. Might they have used that?
 
Off topic on quenching oils,

Writings found in Asia Minor said that to temper a Damascus sword the blade must be heated until it glows ''like the sun rising in the desert.'' It then should be cooled to the color of royal purple and plunged ''into the body of a muscular slave'' so that his strength would be transferred to the sword.
https://www.nytimes.com/1981/09/29/science/the-mystery-of-damascus-steel-appears-solved.html

Think that's just as bad as lead.
 
I love it when a two and a half year old discussion just picks up as if it was yesterday.
Joseph, look at the date of the threads when you pull one up. We tend to frown on necroposting … especially when the info is not useful or real.
 
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