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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Stainless Steel Barrels
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<blockquote data-quote="Trickymissfit" data-source="post: 469457" data-attributes="member: 25383"><p>Roy Weatherby was the first to make note of the extreme cold factor and strength of 416 stainless steel. He did electroless nickel the O.D. of some of his barrels (maybe the Alaskan series). Now later Sako went thru a series of blow ups, and many of these blow ups were later found to have occured in extreme cold weather (but not all). Dan Lilja has made more than one statement about stainless steel barrells and extreme cold shooting. Each one contradicts the other. I have heard and read the Krieger statement more than once, and it seems that a couple others have also done the "disclaimer" too. I confired with the folks at Baldwin Steel around 2002 or 2004 with the stack of questions, but for a different application. They also confirmed the same factor (parts were going in a -40 degree high altitude chamber), but said their MAR-10 series should hold up quite well (pretty much an equivalent to 17PH-4 but much more corrosive resistent). I learned that it has everything todo with the retained martensite, and nothing much todo with the alloy content. Now I am not exactly fond of shooting in 20 below zero temps, so I don't see a worry. But if I were hunting polar bears, I'd think about it.</p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 469457, member: 25383"] Roy Weatherby was the first to make note of the extreme cold factor and strength of 416 stainless steel. He did electroless nickel the O.D. of some of his barrels (maybe the Alaskan series). Now later Sako went thru a series of blow ups, and many of these blow ups were later found to have occured in extreme cold weather (but not all). Dan Lilja has made more than one statement about stainless steel barrells and extreme cold shooting. Each one contradicts the other. I have heard and read the Krieger statement more than once, and it seems that a couple others have also done the "disclaimer" too. I confired with the folks at Baldwin Steel around 2002 or 2004 with the stack of questions, but for a different application. They also confirmed the same factor (parts were going in a -40 degree high altitude chamber), but said their MAR-10 series should hold up quite well (pretty much an equivalent to 17PH-4 but much more corrosive resistent). I learned that it has everything todo with the retained martensite, and nothing much todo with the alloy content. Now I am not exactly fond of shooting in 20 below zero temps, so I don't see a worry. But if I were hunting polar bears, I'd think about it. gary [/QUOTE]
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