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Rifles, Reloading, Optics, Equipment
Reloading
Annealing: Specific Heat Question
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<blockquote data-quote="VenatusDominus" data-source="post: 2732153" data-attributes="member: 117869"><p>Annealing is a function of time and temperature. At 850F you need over 30 minutes to properly anneal, durring which time the entire case would be annealed (bad idea). To properly anneal you need to get the neck/shoulder hot enough to anneal in a few seconds, before heat can radiate down the body of the case. See the scientific article below:</p><p></p><p><a href="https://vacaero.com/information-resources/metallography-with-george-vander-voort/1440-deformation-and-annealing-of-cartridge-brass.html" target="_blank">Deformation and Annealing of Cartridge Brass</a></p><p></p><p>For those not wanting to read the article, here is a direct quote regarding the microscopic grain structure of worked cartridge brass, </p><p></p><p><strong>"No change is observed after 4 minutes at 800 F"</strong></p></blockquote><p></p>
[QUOTE="VenatusDominus, post: 2732153, member: 117869"] Annealing is a function of time and temperature. At 850F you need over 30 minutes to properly anneal, durring which time the entire case would be annealed (bad idea). To properly anneal you need to get the neck/shoulder hot enough to anneal in a few seconds, before heat can radiate down the body of the case. See the scientific article below: [URL='https://vacaero.com/information-resources/metallography-with-george-vander-voort/1440-deformation-and-annealing-of-cartridge-brass.html']Deformation and Annealing of Cartridge Brass[/URL] For those not wanting to read the article, here is a direct quote regarding the microscopic grain structure of worked cartridge brass, [B]"No change is observed after 4 minutes at 800 F"[/B] [/QUOTE]
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Reloading
Annealing: Specific Heat Question
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