dickb

Tempering in oil

3 posts in this topic

I'd be interested in learning the pros and cons of tempering to about 400 degrees  Fahrenheit  by immersing the work in a pot of heated oil. 

You could measue the temperature of the oil with a deep frying thermometer of maybe a thermocouple . 

There are plenty of oils (peanut oil, soybean oil, etc.) with smoke points higher than 400 degrees. 

Thanks

 

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At that low of a temperature it shouldn't matter? I feel a science experiment is coming on soon... Would it stay warm enough for long enough to get a proper temper would be my question. 

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A friend of mine was doing that using a PID controller to keep the oil at temperature. He has since moved to a salt bath. I think that he is using bluing salts

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