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Rifles, Reloading, Optics, Equipment
Gunsmithing
First ever pillar and bedding job / Savage 111 Trophy Hunter
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<blockquote data-quote="J E Custom" data-source="post: 1197779" data-attributes="member: 2736"><p>+1</p><p></p><p>I looked into the G 10 and did a comparison to Aluminum and this is what I found = The G 10 has a tensile strength of 45,000 psi, the lowest grade of Aluminum also has a tensile strength of 40,000</p><p>psi so if this is what you are using then ether one will do about the same in compression. "But" if you use the 7075 (I like to buy the Anodized) it has a tensile of 83,000 psi making the compressive strength more than double the G 10.</p><p></p><p>I don't think you will compress the G 10 when you first torque the action, but I worry about what it does over time. I know bedding compound will compress over time, thus the reason for pillar bedding.</p><p></p><p>Also while compression testing, the G 10 turned to powder when its yield strength was reached and instead of yielding, It totally failed (I doubt that would happen with the load placed on it in a bedding job but I know the Aluminum wont. </p><p></p><p>So why not use a material that will not compress over time and risk loosing accuracy. with the 7075</p><p>I have not seen any loss of torque for years. So that would be my recommendation for pillar material. Also as I have stated many times Don't use any compounds that are not designed for bedding and with good pillars the bedding job should last for a life time.</p><p></p><p>There is a saying that fits this process well. If you don't have the time to do it right the first time. when are you going to find the time to fix it later.</p><p></p><p>Again, this is just my opinion</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1197779, member: 2736"] +1 I looked into the G 10 and did a comparison to Aluminum and this is what I found = The G 10 has a tensile strength of 45,000 psi, the lowest grade of Aluminum also has a tensile strength of 40,000 psi so if this is what you are using then ether one will do about the same in compression. "But" if you use the 7075 (I like to buy the Anodized) it has a tensile of 83,000 psi making the compressive strength more than double the G 10. I don't think you will compress the G 10 when you first torque the action, but I worry about what it does over time. I know bedding compound will compress over time, thus the reason for pillar bedding. Also while compression testing, the G 10 turned to powder when its yield strength was reached and instead of yielding, It totally failed (I doubt that would happen with the load placed on it in a bedding job but I know the Aluminum wont. So why not use a material that will not compress over time and risk loosing accuracy. with the 7075 I have not seen any loss of torque for years. So that would be my recommendation for pillar material. Also as I have stated many times Don't use any compounds that are not designed for bedding and with good pillars the bedding job should last for a life time. There is a saying that fits this process well. If you don't have the time to do it right the first time. when are you going to find the time to fix it later. Again, this is just my opinion J E CUSTOM [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
First ever pillar and bedding job / Savage 111 Trophy Hunter
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