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Rifles, Reloading, Optics, Equipment
Reloading
Salt Bath Annealing
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<blockquote data-quote="Mikecr" data-source="post: 2447492" data-attributes="member: 1521"><p>I'm sure I've already mentioned here & elsewhere that FULL annealing is not what we need or want.</p><p>We need brass with good/consistent elasticity. That is between dead soft and over-work hardened.</p><p>A dip into ~850deg for ~5sec to any reasonable time beyond resets grain back to what we need.</p><p>It's simple to do this with dipping, without getting anything wrong. Turn a lee pot dial ~3/4, come back in 1/2hr, get a thermocouple measure, tweak it to desired, ready to dip cases to any depth you desire. Necks, shoulders, right down to half the body if desired.</p><p>The heat is soaking the brass from inside and outside at the right temperature. The brass goes right to it and none below or above.</p><p>There is no timing to be concerned with really, as grain recovery (for that temp) happens fast (while actually at that temp). You're not trying to reach the right brass temperature with a way wrong heating temperature (using timing).</p><p>It's been pointed out with testing that dip annealing does not full anneal, and that's a <u>plus</u> for it. You couldn't get it wrong if you tried.</p><p></p><p>[ATTACH]342154[/ATTACH][ATTACH]342155[/ATTACH][ATTACH]342156[/ATTACH]</p></blockquote><p></p>
[QUOTE="Mikecr, post: 2447492, member: 1521"] I'm sure I've already mentioned here & elsewhere that FULL annealing is not what we need or want. We need brass with good/consistent elasticity. That is between dead soft and over-work hardened. A dip into ~850deg for ~5sec to any reasonable time beyond resets grain back to what we need. It's simple to do this with dipping, without getting anything wrong. Turn a lee pot dial ~3/4, come back in 1/2hr, get a thermocouple measure, tweak it to desired, ready to dip cases to any depth you desire. Necks, shoulders, right down to half the body if desired. The heat is soaking the brass from inside and outside at the right temperature. The brass goes right to it and none below or above. There is no timing to be concerned with really, as grain recovery (for that temp) happens fast (while actually at that temp). You're not trying to reach the right brass temperature with a way wrong heating temperature (using timing). It's been pointed out with testing that dip annealing does not full anneal, and that's a [U]plus[/U] for it. You couldn't get it wrong if you tried. [ATTACH alt="ReCrys.jpg"]342154[/ATTACH][ATTACH alt="ReCrys2.jpg"]342155[/ATTACH][ATTACH alt="WorkHardening.jpg"]342156[/ATTACH] [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Salt Bath Annealing
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