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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Factory barrels stringing shots when heated?
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<blockquote data-quote="Schnyd112" data-source="post: 1123045" data-attributes="member: 90453"><p>Yes they do, they heat treat metal to harden it. If you take a knife that has been heat treated and sharpen it with a high speed rotary you can counteract the "hard" and the knife will not hold an edge as long. It can also get brittle because you changed the hardness in one part, on the edge, and not the rest of the blade. I do not know if blowing air through a barrel to cool it faster will damage it, being as bullets heat it up pretty fast already, but I have always been hesitant to cool the barrel with anything but natural airflow and time.</p><p></p><p>It's pretty well proven also, that cutting hardened steel with the wrong implement makes it less hard. Think ar500 targets that get brittle near the edges where they were cut. That's much hotter than a bullet going down the barrel,but another example of metal fatigue caused by heat</p></blockquote><p></p>
[QUOTE="Schnyd112, post: 1123045, member: 90453"] Yes they do, they heat treat metal to harden it. If you take a knife that has been heat treated and sharpen it with a high speed rotary you can counteract the "hard" and the knife will not hold an edge as long. It can also get brittle because you changed the hardness in one part, on the edge, and not the rest of the blade. I do not know if blowing air through a barrel to cool it faster will damage it, being as bullets heat it up pretty fast already, but I have always been hesitant to cool the barrel with anything but natural airflow and time. It's pretty well proven also, that cutting hardened steel with the wrong implement makes it less hard. Think ar500 targets that get brittle near the edges where they were cut. That's much hotter than a bullet going down the barrel,but another example of metal fatigue caused by heat [/QUOTE]
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Factory barrels stringing shots when heated?
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