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Posted: 1/16/2024 3:17:21 AM EDT
What is the level of difficultly to do something like weld up the gas port, drill a new gas port and machine cut flutes in a nitride treated barrel versus doing the same with a phosphate coated barrel?
A. Extremely difficult ? B. it's a hassle but doable ? C. non issue, shouldn't be a problem at all ? |
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Posted: 1/16/2024 3:39:05 AM EDT
[#1]
Somewhere between A & B.
Some places won’t accept nitrided work. |
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Posted: 1/16/2024 8:45:58 AM EDT
[#2]
I welded a silencer onto a nitrided psa barrel. Ground through the surface and welded it on with no issues. No idea about machining.
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Posted: 1/16/2024 11:21:48 AM EDT
[#3]
The nitride hardening is only a very thin layer on the surface. A carbide end mill won't even notice it, same for a carbide drill. Welding the gas port is a different matter though, you can weld it but you could also warp your barrel in the process. I would explore blocking it off thoroughly before trying to weld it.
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Posted: 1/16/2024 11:44:40 AM EDT
[#4]
Quote HistoryOriginally Posted By TinSpinner: The nitride hardening is only a very thin layer on the surface. A carbide end mill won't even notice it, same for a carbide drill. Welding the gas port is a different matter though, you can weld it but you could also warp your barrel in the process. I would explore blocking it off thoroughly before trying to weld it. While it will cut, a plain carbine endmill will notice 70+rc. You have to take enough of a cut to get through it and that would be several thousands. Taking a small amount off is difficult. |
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Posted: 1/16/2024 1:39:54 PM EDT
[#5]
It has always been a non-issue for me until......I got a long drill bit stuck in an AK gas block. It was a nightmare lol.
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AZ, USA
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Posted: 1/17/2024 4:55:14 PM EDT
[#6]
Someone told me that the nitrided layer is not electrically conductive, and had to be ground off prior to Electrical-Discharge Machining. If that's true (which I am unsure about), I would assume you would need to grind off an area for your weld clamp.
Test continuity with a multimeter before committing. |
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Posted: 1/19/2024 9:44:15 PM EDT
[#7]
Depends on who nitrided it, there's a huge variance between mfgrs.
Some are hell on tooling, others cut like butter. I would grind/clean up any area that you intend to apply weld to. |
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