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Rifles, Reloading, Optics, Equipment
Reloading
What frequency of Annealing for best case life and consisitent accuracy?
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<blockquote data-quote="Mikecr" data-source="post: 1362443" data-attributes="member: 1521"><p>Work hardening of neck brass does not decrease neck tension.</p><p>Neck tension/grip IS spring back, against a chosen bearing area. The stronger the spring back against given area, the stronger the tension.</p><p>If you had a desire to remove all tension, you would achieve this with a full anneal, and most would consider that brass killed. What we do is process annealing, which is below full annealing. ~850degF for ~10sec will do that job.</p><p></p><p>An advantage to frequent consistent process annealing is that you're lowering tension, which <strong>lowers tension variance</strong>. But this advantage only exists when a developed load likes it. No guarantee there. In fact many cartridges shine with loads requiring higher starting pressures. For this reason, I do not anneal frequently, but manage tension for best results otherwise(through minimal sizing, and careful correlation of seating forces).</p><p>An advantage for those of us who dip is that we can do a deep body process anneal. This allows for wildcat full case forming within a couple firings.</p></blockquote><p></p>
[QUOTE="Mikecr, post: 1362443, member: 1521"] Work hardening of neck brass does not decrease neck tension. Neck tension/grip IS spring back, against a chosen bearing area. The stronger the spring back against given area, the stronger the tension. If you had a desire to remove all tension, you would achieve this with a full anneal, and most would consider that brass killed. What we do is process annealing, which is below full annealing. ~850degF for ~10sec will do that job. An advantage to frequent consistent process annealing is that you're lowering tension, which [B]lowers tension variance[/B]. But this advantage only exists when a developed load likes it. No guarantee there. In fact many cartridges shine with loads requiring higher starting pressures. For this reason, I do not anneal frequently, but manage tension for best results otherwise(through minimal sizing, and careful correlation of seating forces). An advantage for those of us who dip is that we can do a deep body process anneal. This allows for wildcat full case forming within a couple firings. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
What frequency of Annealing for best case life and consisitent accuracy?
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