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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
JDJones _ Barrel Steel
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<blockquote data-quote="victor" data-source="post: 133882" data-attributes="member: 3361"><p>JDJones, or anybody with knowledge regarding barrel steel:</p><p></p><p>JD, in a past post of yours, I saw mention about BlackStar barrels being made of 17-4PH Steel(Supplied by Lothar Walter). </p><p></p><p>I looked at BlackStar's website: <a href="http://www.blackstar-barrels.com/body_accumax_ii2002.html" target="_blank">http://www.blackstar-barrels.com/body_accumax_ii2002.html</a></p><p>But, could not find anything about the barrel material. Next I looked at Lothar Walter's site: <a href="http://www.lothar-walther.de/html/1.php" target="_blank">http://www.lothar-walther.de/html/1.php</a></p><p></p><p>Still could not find anything listing 17-4PH or the LW23 Steel which you mentioned is the Lothar Walter version of 17-4PH.</p><p>I did find LW23 on Brownells website: <a href="http://www.brownells.com/aspx/ns/store/ProductDetail.aspx?p=15610&amp;title=RIFLE+BARRELS" target="_blank">http://www.brownells.com/aspx/ns/store/ProductDetail.aspx?p=15610&amp;title=RIFLE+BARRELS</a></p><p></p><p>Why do I ask, because I know that 17-4 PH is a very strong wear resistant Stainless Steel alloy with a 110,000 PSI yeild strength. Seems to me that it would make a superior long lasting rifle barrel.</p><p></p><p>If memory serves, this is the same material that Nesika builds thier actions from.</p><p></p><p>As a side note, 15-5PH has a yield strength of 145,000 PSI. Also very high strength and wear resisant properties. Jim Borden builds his Alpine actions out of this material which is why I selected his action for my next project.</p><p></p><p>(17-4PH has a slightly higher chromium content then 15-5PH for improved corrosion resistance)</p><p></p><p>For comparison purposes: 410 SST = 30,000 PSI yeild strength, 416 SST = 40,000 PSI yeild strength.</p><p></p><p>Now be aware that various heat treating and conditioning of metals changes their properties. I have no idea what condition the metals are in when the barrel manufacturers use them.</p><p></p><p>I would really like to clarify the mystery of which barrel materials will give the best accuracy vs. longevity.</p><p></p><p>Does anybody have a listing of pro's &amp; con's for barrel materials.</p><p></p><p>Also, if anybody has personal experience with the Blackstar Accumax ll barrels or Lothar Walter LW23 barrels, I would love to hear your critique of these barrels.</p><p></p><p>Thank's in advance,</p><p>Vic</p></blockquote><p></p>
[QUOTE="victor, post: 133882, member: 3361"] JDJones, or anybody with knowledge regarding barrel steel: JD, in a past post of yours, I saw mention about BlackStar barrels being made of 17-4PH Steel(Supplied by Lothar Walter). I looked at BlackStar's website: [url="http://www.blackstar-barrels.com/body_accumax_ii2002.html"]http://www.blackstar-barrels.com/body_accumax_ii2002.html[/url] But, could not find anything about the barrel material. Next I looked at Lothar Walter's site: [url="http://www.lothar-walther.de/html/1.php"]http://www.lothar-walther.de/html/1.php[/url] Still could not find anything listing 17-4PH or the LW23 Steel which you mentioned is the Lothar Walter version of 17-4PH. I did find LW23 on Brownells website: [url="http://www.brownells.com/aspx/ns/store/ProductDetail.aspx?p=15610&title=RIFLE+BARRELS"]http://www.brownells.com/aspx/ns/store/ProductDetail.aspx?p=15610&title=RIFLE+BARRELS[/url] Why do I ask, because I know that 17-4 PH is a very strong wear resistant Stainless Steel alloy with a 110,000 PSI yeild strength. Seems to me that it would make a superior long lasting rifle barrel. If memory serves, this is the same material that Nesika builds thier actions from. As a side note, 15-5PH has a yield strength of 145,000 PSI. Also very high strength and wear resisant properties. Jim Borden builds his Alpine actions out of this material which is why I selected his action for my next project. (17-4PH has a slightly higher chromium content then 15-5PH for improved corrosion resistance) For comparison purposes: 410 SST = 30,000 PSI yeild strength, 416 SST = 40,000 PSI yeild strength. Now be aware that various heat treating and conditioning of metals changes their properties. I have no idea what condition the metals are in when the barrel manufacturers use them. I would really like to clarify the mystery of which barrel materials will give the best accuracy vs. longevity. Does anybody have a listing of pro's & con's for barrel materials. Also, if anybody has personal experience with the Blackstar Accumax ll barrels or Lothar Walter LW23 barrels, I would love to hear your critique of these barrels. Thank's in advance, Vic [/QUOTE]
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