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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Titanium
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<blockquote data-quote="Pdvdh" data-source="post: 2356091" data-attributes="member: 4191"><p>I interpreted it to mean the stretch in titanium actions causes indications of excessive pressure on cartridge cases fired in those actions. But that those cartridge cases at equal pressure function fine in a steel action, because the steel action reduces the amount the action stretches.</p><p></p><p>Pressures causing a titanium action to stretch could lead to difficult bolt lifts upon fired case extraction, possibly galling the bolt lugs over time. Case life could be shorter due to case web stretch in a titanium action that stretches with each firing. But in a steel action, the same exact pressures function fine.</p><p></p><p>I think whether or not the pressures are excessive is up to the shooter manufacturing the hand loads, and how his action handles those pressures.</p><p></p><p>Many guys run higher pressure in tougher case head brass. Pressure that causes lost primer pockets in weaker, softer casings. Doesn't mean those same pressures are excessive or dangerous in the Lapua, Peterson, or ADG casings. Just means the weaker casings are gonna fail under pressures the tougher casings can handle day in, day out - no problems.</p></blockquote><p></p>
[QUOTE="Pdvdh, post: 2356091, member: 4191"] I interpreted it to mean the stretch in titanium actions causes indications of excessive pressure on cartridge cases fired in those actions. But that those cartridge cases at equal pressure function fine in a steel action, because the steel action reduces the amount the action stretches. Pressures causing a titanium action to stretch could lead to difficult bolt lifts upon fired case extraction, possibly galling the bolt lugs over time. Case life could be shorter due to case web stretch in a titanium action that stretches with each firing. But in a steel action, the same exact pressures function fine. I think whether or not the pressures are excessive is up to the shooter manufacturing the hand loads, and how his action handles those pressures. Many guys run higher pressure in tougher case head brass. Pressure that causes lost primer pockets in weaker, softer casings. Doesn't mean those same pressures are excessive or dangerous in the Lapua, Peterson, or ADG casings. Just means the weaker casings are gonna fail under pressures the tougher casings can handle day in, day out - no problems. [/QUOTE]
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