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Stainless Steel Barrels

 
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  #8  
Old 02-03-2011, 11:40 PM
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Location: Texas
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Re: Stainless Steel Barrels

Quote:
Originally Posted by gr8whyt View Post
What do you consider "extreme cold"? What do you mean by "dangerous in some environments"?

From the FAQ section on Dan Lilja's web site:

"Q. Can stainless steel barrels be safely fired in sub zero temperatures? Yes they certainly can be. There is a myth going around that stainless steel alloys used in rifle barrels loose their strength in sub zero temperatures. There is no truth to that. We have made many thousands of barrels that have been fired safely in below zero temperatures as have all of the other custom barrel makers as well as the major arms manufacturers. This is an urban legend that should be chilled"

But from Krieger's web site:

"Stainless Steel.....It is inadvisable to use stainless steel in very cold temperatures, i.e.below 0 Degrees F, as stainless loses fatigue resistance in very cold weather."

I respect both barrel makers as tops in the products they produce. And I would consider both of them very knowledgeable about the materials they use. So I really struggle to reconcile this point.

--gr8whyt

I totally agree that some grades of stainless steels loses strength at extreme cold temperatures, "BUT" it is so cold before it effects the safety that a person could not live very
long and certainly would not be hunting in those temperatures.

I am like you about why two premier barrels makers disagree on this and I think it is a cover
your ass lawyer talking instead of Krieger. if it is true why wouldn't Lilja protect himself with a simple
disclaimer.

If it was true do you think that all of the rifle makers like Remington ,Browning, Weatherby,
Sako and others would risk lawsuits that could ruin them when all they would have to do is not make Stainless Actions.

J E CUSTOM
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  #9  
Old 02-04-2011, 02:58 AM
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Join Date: Nov 2010
Location: Helena, MT
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Re: Stainless Steel Barrels

Quote:
Originally Posted by J E Custom View Post
I am like you about why two premier barrels makers disagree on this and I think it is a cover your ass lawyer talking instead of Krieger. if it is true why wouldn't Lilja protect himself with a simple disclaimer.
I think maybe you've hit on something there that I hadn't thought of, that being a CYA lawyer talking instead of Krieger. That would make a lot of sense.

-- gr8whyt
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  #10  
Old 02-04-2011, 08:31 AM
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Join Date: Jun 2010
Posts: 64
Re: Stainless Steel Barrels

Thank your for the info on stainless steel barrels. Is the main reason for choosing stainless is its corrosion resistance or something else?

"Don't believe anything from THAT source again."

I don't blame the source for being wrong in this instance. The commentary was written in the 90s and the author thought stainless might result in increased velocity(because he thought that it had less friction) but he did not know for sure and was putting out the idea so that it might be studied.
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  #11  
Old 02-04-2011, 09:21 AM
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Join Date: Nov 2005
Location: Texas
Posts: 1,844
Re: Stainless Steel Barrels

Quote:
Originally Posted by J E Custom View Post
I totally agree that some grades of stainless steels loses strength at extreme cold temperatures, "BUT" it is so cold before it effects the safety that a person could not live very
long and certainly would not be hunting in those temperatures.

I am like you about why two premier barrels makers disagree on this and I think it is a cover
your ass lawyer talking instead of Krieger. if it is true why wouldn't Lilja protect himself with a simple
disclaimer.

If it was true do you think that all of the rifle makers like Remington ,Browning, Weatherby,
Sako and others would risk lawsuits that could ruin them when all they would have to do is not make Stainless Actions.

J E CUSTOM
Good post..
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  #12  
Old 02-04-2011, 12:51 PM
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Location: greenwood, IN
Posts: 3,638
Re: Stainless Steel Barrels

Quote:
Originally Posted by gr8whyt View Post
What do you consider "extreme cold"? What do you mean by "dangerous in some environments"?

From the FAQ section on Dan Lilja's web site:

"Q. Can stainless steel barrels be safely fired in sub zero temperatures? Yes they certainly can be. There is a myth going around that stainless steel alloys used in rifle barrels loose their strength in sub zero temperatures. There is no truth to that. We have made many thousands of barrels that have been fired safely in below zero temperatures as have all of the other custom barrel makers as well as the major arms manufacturers. This is an urban legend that should be chilled"

But from Krieger's web site:

"Stainless Steel.....It is inadvisable to use stainless steel in very cold temperatures, i.e.below 0 Degrees F, as stainless loses fatigue resistance in very cold weather."

I respect both barrel makers as tops in the products they produce. And I would consider both of them very knowledgeable about the materials they use. So I really struggle to reconcile this point.

--gr8whyt
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
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