Author Topic: In hot water  (Read 815 times)

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Offline M8ball

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In hot water
« on: November 21, 2007, 06:06:17 PM »
Thought I'd try my hand at annealing some case necks on some .308 Win to see if it did anything for getting rid of some sooty case necks. I treated 20 pieces of brass in an old gallon ice cream tub, with the water up to the shoulder. When I was finished, the water was pretty hot. I don't think I toasted the case heads, but the more I think about it, the more I wonder if I should've stopped halfway through and let the water cool. Anybody got opinions on this? I'd guess even hot water would still act as a heat sink, so as long as the water wasn't vigorously boiling you'd think the annealing would stay above water, right?

Offline John Traveler

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Re: In hot water
« Reply #1 on: November 21, 2007, 09:33:40 PM »
Relax.  You didn't do any damage to the cases.

The water reservoir prevents the head of the cases from getting any hotter than the boiling point of water: 212 degrees Fahrenheit at sea level.

It takes close to 700 degrees F to anneal brass.
John Traveler