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How does cold affect your barrel?

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Unread 12-08-2005, 03:58 PM
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Join Date: Apr 2003
Location: North Bend, Oregon
Posts: 1,476
Re: How does cold affect your barrel?

I just spent a bunch of time at reading up on stainless or CM for use in target barrels and most there didnít know about CM for bench rest because in about 40 years or so, no one had ever seen one in competition. They did talk about machine ability, less fouling, throat erosion resistance and that it did lap up to a nice smooth finish easier.

After that I pretty much figured I was all wet on the machine ability thing, so, if someone is wrong, when it comes to barrels I would say it has to be me. I overlooked the fact that the stainless used in rifle barrels is completely different than the stainless I was using. Barrel stainless is alloyed for machine ability. The stuff I use is alloyed for corrosion and abrasive resistance.

In fact it was so different that a magnet will not stick to it where a magnet will stick to every one of my stainless barrels and handguns. They also rust if neglected where the stuff I used to not would rust for a long time if ever. I used the stainless material handling equipment, in steam and boiler applications and as well as making large mixer paddles for caustic materials. Barrel stainless does seem soft as far as how easy it is to scratch where my stainless took a carbide scribe to even make a mark on it.. To tell the truth I've never had a drill bit on any barrel stainless either. Other than the maybe cutting torch analogy I'm pretty much off here. On the chrome moly Iím sure the heat treat and subsequent hardness must be different to than the stuff I use regularly.

For now I still believe that the stainless is not measurably more brittle in any kind of hunting environment we will encounter on earth. If a barrel ever busts in the cold I would bet a nickel that it had more to due with condensation frozen tight inside than the actual metal becoming brittle.

I sure wish I were a trained gunsmith. I married at 20 so providing a living was top priority and welding paid well and I liked doing it. Maybe after I quit racing I will take it up.
Some kids want to be a fireman or a doctor to help people. I wanted to be a gunsmith.

NRA Life Member and I vote.

Only accurate rifles are interesting.

Gordy and Brady.
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Unread 12-08-2005, 07:56 PM
Posts: n/a
Re: How does cold affect your barrel?

Barrel steel is pretty interesting. Did you know that during World War two, Ford Model T (I think it was the Model T) Axels were used to make barrels because steel wasnít readily available? Anyway, I am always open to learn something new, so thanks for the info about the other stainless steels.
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Unread 12-08-2005, 09:31 PM
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Join Date: Jan 2003
Location: The rifle range, or archery range or behind the computer in Alaska
Posts: 3,740
Re: How does cold affect your barrel?

It is posts like these that leave me shaking my head. Who is right, who is wrong. Someone has to be, and according to you guys it is me.

[/ QUOTE ]

Right or wrong, W, and I certainly dont know much about this subject so I dont know if you are or not, I respect your ability to display humility. [img]/ubbthreads/images/graemlins/smile.gif[/img]
Long range shooting is a process that ends with a result. Once you start to focus on the result (how bad your last shot was, how big the group is going to be, what your buck will score, what your match score is, what place you are in...) then you loose the capacity to focus on the process.
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