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Over annealing cartridge brass

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  #22  
Unread 10-09-2013, 03:18 PM
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Re: Over annealing cartridge brass

of course. I'm not talking danger zone where someone made it red hot or even white/light orange.
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  #23  
Unread 10-19-2013, 12:36 PM
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Re: Over annealing cartridge brass

To verify kirby's statements of annealing i took a box of twice fired winchester brass for my 308 and annealed them where the necks were clearly orange in my garage during the day time and then quenched the cases. I repeated this procedure twice.

I then washed and tumbled the cases and neck sized them with my typical sizing die.

Then i took a bullet and seated it to depth and tried to wiggle and pull it out by hand.
I could not.

I proceeded to pull the bullet with a KE hammer and try to re insert it by hand.
I could not.

After that i re seated the bullet without re sizing the neck and could not pull it out by hand.

Again i pulled the bullet and tried to re insert it by hand and could not.

My conclusion is that which mirrors kirby's statements and annealing case necks until they are faintly or even definitively orange does not necessarily mean the case will not provide sufficient neck tension. Not to say it can not happen, simply in my experience annealing the case until slightly orange is not a bad practice.
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  #24  
Unread 10-19-2013, 11:37 PM
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Re: Over annealing cartridge brass

Just out of curiosity, if you anneal the whole case, completely. What will fail (assuming the cartridge is properly headspaced)?

I imagine the primer pockets will be useless real fast, but what part is going to fail other than that?
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  #25  
Unread 10-20-2013, 01:04 AM
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Re: Over annealing cartridge brass

I have never annealed the head of a case so i cant say for sure. But i would think the lower part of the body near the head would definitely rupture. That part of a case is far less supported than other parts of the case and depends on the thicker tough brass to hold together.

I have heard rumors of actions getting damaged or exploding, but i think a significantly over loaded case would be required to destroy an action.
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  #26  
Unread 11-06-2013, 02:53 PM
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Re: Over annealing cartridge brass

When is the best time to anneal brass in the reloading process? Do you Anneal the brass before any other steps, before pressing out the spent prime?

Do most people Anneal each time they re-load or after a couple of firings?

Is it recommended to anneal after tumbling or before tumbling?
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  #27  
Unread 04-22-2016, 06:45 AM
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Re: Over annealing cartridge brass

All,
With regard to Jamison CheyTac brass, is it beneficial to anneal before the first firing? I have been annealing after each firing but not before the first. I just want to make this stuff last as long as I can between the lack of accessibility and the somewhat hefty price.

Kirby,
Thanks for making these posts. I'll be in touch next time I re-barrel this CheyTac.
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  #28  
Unread 04-25-2016, 07:28 PM
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Re: Over annealing cartridge brass

Quote:
Originally Posted by Colcalcipherol View Post
All,
With regard to Jamison CheyTac brass, is it beneficial to anneal before the first firing? I have been annealing after each firing but not before the first. I just want to make this stuff last as long as I can between the lack of accessibility and the somewhat hefty price.
I wouldn't anneal before the first firing, I'm sure it's done when forming the brass.
I'm out of the country at the moment and cannot look at my brass. I do anneal after a couple of firings.
The one thing I can tell you about making Jamison brass last as long as possible is not to run it hard (primer pockets loosen quick). Sounds like common sense but I can tell you it isn't as tough as Bertram brass. My Jamison brass got put up for emergency purposes once I tried Bertram.
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