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Rifles, Reloading, Optics, Equipment
Reloading
Salt Bath Annealing
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<blockquote data-quote="RegionRat" data-source="post: 1571417" data-attributes="member: 57231"><p>HappyHunter, we don't really need to test the state of the necks after salt bath annealing for a similar reason to a water analogy. If I take clean pure water below 0 C, I know it will be ice. If I take ice above 0C, it will be water. The discussion isn't about high or low pressure so we don't worry too much about testing for the state of the melted ice. Brass is similar...</p><p></p><p>Once we take brass to the salt bath temperature, we know we are well past the temp required to anneal the brass. The count isn't hard to do in terms of a minimum to make sure we are above the temp threshold, and we would have to really fall asleep to wait long enough to allow the case head to overheat.</p><p></p><p>I wouldn't overthink this. </p><p></p><p>Annealing isn't going to cause split necks, not annealing will allow split necks.</p><p></p><p>Tests for the actual metallurgical state are too troublesome and not worth the effort for something so simple and reliable.</p><p></p><p>How often to anneal is a matter of taste. Some folks anneal every cycle for precision and accuracy work, some say about every third or fourth cycle for plinking durability.</p></blockquote><p></p>
[QUOTE="RegionRat, post: 1571417, member: 57231"] HappyHunter, we don’t really need to test the state of the necks after salt bath annealing for a similar reason to a water analogy. If I take clean pure water below 0 C, I know it will be ice. If I take ice above 0C, it will be water. The discussion isn’t about high or low pressure so we don’t worry too much about testing for the state of the melted ice. Brass is similar... Once we take brass to the salt bath temperature, we know we are well past the temp required to anneal the brass. The count isn’t hard to do in terms of a minimum to make sure we are above the temp threshold, and we would have to really fall asleep to wait long enough to allow the case head to overheat. I wouldn’t overthink this. Annealing isn’t going to cause split necks, not annealing will allow split necks. Tests for the actual metallurgical state are too troublesome and not worth the effort for something so simple and reliable. How often to anneal is a matter of taste. Some folks anneal every cycle for precision and accuracy work, some say about every third or fourth cycle for plinking durability. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Reloading
Salt Bath Annealing
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