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Hunting
Long Range Hunting & Shooting
Gunwerks 6.5 creedmore or 28 Nosler
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<blockquote data-quote="Calamity" data-source="post: 1849116" data-attributes="member: 112048"><p>There seems to be a consensus on barrel wear in the 28 Nosler and other overbore cartridges. I have not seen any discussion on metallurgy that might extend barrel life in these super performing calibers. Chrome moly and 416 stainless are not the only alloys out there. The cobalt steels, incolloys and hastalloys (super alloys) were developed for high strength at blast furnace temps. They are expensive and typically require EDM equipment to create features inside a bore, but it appears to be an opportunity for some enterprising entrepreneurs to create an economical process for making barrels that would open up another chapter in firearm advancements. Tungsten or silicon-carbide bullets at 5000 ft/sec?</p></blockquote><p></p>
[QUOTE="Calamity, post: 1849116, member: 112048"] There seems to be a consensus on barrel wear in the 28 Nosler and other overbore cartridges. I have not seen any discussion on metallurgy that might extend barrel life in these super performing calibers. Chrome moly and 416 stainless are not the only alloys out there. The cobalt steels, incolloys and hastalloys (super alloys) were developed for high strength at blast furnace temps. They are expensive and typically require EDM equipment to create features inside a bore, but it appears to be an opportunity for some enterprising entrepreneurs to create an economical process for making barrels that would open up another chapter in firearm advancements. Tungsten or silicon-carbide bullets at 5000 ft/sec? [/QUOTE]
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Gunwerks 6.5 creedmore or 28 Nosler
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