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Hot oil bluing. Need some advice please.
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June 11, 2013, 09:59 AM
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Jim Watson
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Join Date: October 25, 2001
Location: Alabama
Posts: 18,541
One example I found said to use conventional motor oil of a cheap brand.
Be aware that you are actually heat bluing the metal which is around 570F. This is into the draw temperature range for some steels.
Jim Watson
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