Welding on a barrel?

[I SHOULD BE FISHIN]

xxx

[nicoroshi]

Personally (being a welder, and gun builder myself) i shy away from any welding on the barrel.
As you know heating up to molten metal (welding) is MUCH hotter than any heat it would see from use.
Also when heated to molten state it would not only have a dissimilar metal at the weld bead but also harden the metal around it (i.e. potentially cracking under stress if not stress relieved, and normalized after the weld, and affecting how the barrel expands, and contracts with heat of firing....think about how bi-metal strips react to heat, and expansion).


Has it been done before by others?
Yes.
Will it affect accuracy?
Most likely but unsure of how much.
Could it be potentially dangerous if not normalized after?
IMHO Yes.
Should you do it?
Only you can decide your comfort level with 40K lbs of pressure going off in that chamber that close to your face.

My 2 cents.

[tujungatoes]

It can/has been done, but isn't generally recommended. Reason being you're welding on a pressure vessel that's containing 50,000 psi a foot from your face. Also It's probably never going to get as hot firing as it will welding. I believe the barrel material is a 41xx alloy.


How far off is the barrel pin slot? Drilling for an oversized barrel pin might be a safer option.

*edit* you're quick Nico

[I SHOULD BE FISHIN]

xxx

[Rob454]

How about brazing or maybe silver solder? Thats a lot less heat on the barrel.