Can it really anneal at normal oven temperatures? Cast iron has a melting point ... | Hacker News

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		azinman2 on Aug 13, 2015 \| parent \| context \| favorite \| on: The Teflon Toxin Can it really anneal at normal oven temperatures? Cast iron has a melting point of 2200F -- so how can 500F oven do anything?

ectoplasm on Aug 13, 2015 [–]

I looked it up and the truth is in between. You get "ferritizing" annealing starting at 1300F. Microscopic amounts of that will happen at 500F but nothing significant. Thank you, now I will stop wasting my time with this piece of folklore...

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