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Update: I quenched a high-carbon blade in used motor oil instead of new
Everyone said it would ruin the temper, but the piece came out with less warping and a decent edge. What's the weirdest quenching medium you've had success with?
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the_nancy4mo ago
Quoting "less warping" - yeah, sometimes the weird stuff just works. I've used old hydraulic fluid in a pinch and it was fine.
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jamieburns5mo ago
Tried quenching a knife in leftover bacon grease once. It smelled amazing but the edge was about as tough as a strip of well-done bacon. I'll stick to less tasty options.
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