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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
26 Nosler Wildcats - 30 Nosler (308)
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<blockquote data-quote="Deleted member 46119" data-source="post: 1235395"><p>Annealed vs. non-annealed. </p><p></p><p>There is a definite difference. When sizing up cases, if I don't anneal each pass gets harder and harder as the brass work hardens. Going from 264 to 308 is the "probably" part. It may not be "necessary", however, there is a definite difference. The next step up to .323 without annealing at some point did cost me some cases that crushed instead of expanded.</p><p></p><p>Annealing does work to remove work hardening and ease case forming/expanding. </p><p></p><p>I was working on making some WSSM from WSM cases. That requires annealing half the case or it will just buckle.</p><p></p><p>A case will harden with use (physics). As it hardens the "yield' and "spring back" points will change (physics). This will change the pressure reaction in the powder burn phase of firing (physics). Annealing the neck after firing will "restore" the "yield" and "spring back" a very important part of the "bullet release" phase of the firing process. It is real, it does work.</p></blockquote><p></p>
[QUOTE="Deleted member 46119, post: 1235395"] Annealed vs. non-annealed. There is a definite difference. When sizing up cases, if I don't anneal each pass gets harder and harder as the brass work hardens. Going from 264 to 308 is the "probably" part. It may not be "necessary", however, there is a definite difference. The next step up to .323 without annealing at some point did cost me some cases that crushed instead of expanded. Annealing does work to remove work hardening and ease case forming/expanding. I was working on making some WSSM from WSM cases. That requires annealing half the case or it will just buckle. A case will harden with use (physics). As it hardens the "yield' and "spring back" points will change (physics). This will change the pressure reaction in the powder burn phase of firing (physics). Annealing the neck after firing will "restore" the "yield" and "spring back" a very important part of the "bullet release" phase of the firing process. It is real, it does work. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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26 Nosler Wildcats - 30 Nosler (308)
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