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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
barrel question. Could a ss barrel be too hard to ream????
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<blockquote data-quote="Fiftydriver" data-source="post: 90666" data-attributes="member: 10"><p>4ked Horn,</p><p></p><p>Maybe the term "harder" is not the correct term that I should have used. How about more brittle??</p><p></p><p>I would agree that stainless will often machine with continuous foil type chicks as 4130 and 4140 will often chip off into much finer chips.</p><p></p><p>I will also agree that if you push things to hard with stainless you will get burned, literally!! As you stated with the drill bits and Knurling cutters.</p><p></p><p>That said, when chambering a rifle, it is much easier to get a fine chamber finish using a tool steel reamer with Stainless barrels then it is with 4130 or 4140 barrels.</p><p></p><p>Stainless is much gummier when machining then chrome moly. Cutters and reamers need to be watched very carefully when machining stainless and cutting speeds and lubricant levels are much more critical as well.</p><p></p><p>But when everything is set up correctly, I have always found stainless barrels to be easier to machine then chrome moly. Just my experience dealing with rifle barrels only, not differnet grades of heat treated steel.</p><p></p><p>I do now that some heat treated stainless steel is nearly impossible to machine no matter what type of cutting tools you use. Can be said for chrome moly as well though.</p><p></p><p>I have also found that Lilja stainless barrels chamber with less effort that say a Krieger or Broughton. I am sure due to allow used and heat treatment of the blank.</p><p></p><p>Good Shooting!!</p><p></p><p>Kirby Allen(50)</p></blockquote><p></p>
[QUOTE="Fiftydriver, post: 90666, member: 10"] 4ked Horn, Maybe the term "harder" is not the correct term that I should have used. How about more brittle?? I would agree that stainless will often machine with continuous foil type chicks as 4130 and 4140 will often chip off into much finer chips. I will also agree that if you push things to hard with stainless you will get burned, literally!! As you stated with the drill bits and Knurling cutters. That said, when chambering a rifle, it is much easier to get a fine chamber finish using a tool steel reamer with Stainless barrels then it is with 4130 or 4140 barrels. Stainless is much gummier when machining then chrome moly. Cutters and reamers need to be watched very carefully when machining stainless and cutting speeds and lubricant levels are much more critical as well. But when everything is set up correctly, I have always found stainless barrels to be easier to machine then chrome moly. Just my experience dealing with rifle barrels only, not differnet grades of heat treated steel. I do now that some heat treated stainless steel is nearly impossible to machine no matter what type of cutting tools you use. Can be said for chrome moly as well though. I have also found that Lilja stainless barrels chamber with less effort that say a Krieger or Broughton. I am sure due to allow used and heat treatment of the blank. Good Shooting!! Kirby Allen(50) [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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barrel question. Could a ss barrel be too hard to ream????
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