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Rifles, Reloading, Optics, Equipment
Reloading
Case polishing and annealing?
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<blockquote data-quote="Koda_" data-source="post: 2970016" data-attributes="member: 121268"><p>to answer your question I don't know because I don't have a way to measure case hardness. I can however speculate, and I agree that running a mandrel thru a neck would contribute to work hardening... that only makes sense. </p><p>I would have to question what the hardness difference is between an annealed case thats sized (mandrel) vs a case thats hasn't been annealed after fireforming and sized the same way, vs a case that hasn't been annealed after several fireformings? I would also have to ask what the average hardness of a case thats annealed every firing and sized over several firings, vs a case that hasn't been annealed after the same amount of firings. </p><p>My guess is the annealed case is more consistent hardness over time and the unannealed case gets harder over each shot but slows down after the first. I would also guess the unannealed also isn't something worth taking into consideration but it would be interesting to see the measurements none the less. </p><p></p><p>My take is it doesn't matter as long as the handloader is consistent in his choice of method. Case life not withstanding.</p></blockquote><p></p>
[QUOTE="Koda_, post: 2970016, member: 121268"] to answer your question I don't know because I don't have a way to measure case hardness. I can however speculate, and I agree that running a mandrel thru a neck would contribute to work hardening... that only makes sense. I would have to question what the hardness difference is between an annealed case thats sized (mandrel) vs a case thats hasn't been annealed after fireforming and sized the same way, vs a case that hasn't been annealed after several fireformings? I would also have to ask what the average hardness of a case thats annealed every firing and sized over several firings, vs a case that hasn't been annealed after the same amount of firings. My guess is the annealed case is more consistent hardness over time and the unannealed case gets harder over each shot but slows down after the first. I would also guess the unannealed also isn't something worth taking into consideration but it would be interesting to see the measurements none the less. My take is it doesn't matter as long as the handloader is consistent in his choice of method. Case life not withstanding. [/QUOTE]
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Reloading
Case polishing and annealing?
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