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Always wanted to do a DIY induction annealer. Where'd you get the parts and plan from? Or is this original puffin magic?

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Weirdly, it says the neck needs to be harder than the rest. But those small crystals tell me it's softer than the rest.

😥

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Wouldn't the shoulder crush when resizing, Primer pocket expand, and neck run into the throat on firing?

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That's some confusing stuff Puffin!

I get that softening happens during the re crystallization temperature boundaries of 200& 500°C. I don't get how they don't show time on that graph. They then...

If you look at that graph it says it's for one hour. I'm guessing if you left the brass hot for ages the temperature required to anneal would be less.

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In my understanding they get very hot for a very short period of time. There is not a huge amount of heat energy released per shot.

So annealing metals is a time a temperature equation, so low...

I too would err on the side of caution, but it would be interesting to do the crush test with pliers to see how much softer they are than virgin brass.

Where'd you get that graph from Puffin ?
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