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Military Firearm Restoration Corner

Bolt Welding Question


drgoose

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Hello everyone, I am a new member and this is my third post. I would like to learn how to weld my own bolt handles after cutting them. The question is which welding technique can be used to do this. Can it be done with oxyacetylene and if so is it significantly inferior than using TIG welding. Which of these is easier to learn. I know oxyacetylene is probably cheaper to get into. Thanks.

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It's been my experience that OA welding procsess imparts too much heat to the bolt.

Tig is best but, I mig welded one that came out good (watch out for splatter).

I have 2 bolts that were stick welded and came out great but, the welder was exceptionally good.

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Both can do a successful job. But bolts are very sensitive to heat so either way you go you need to first learn proper welding skills and learn how to determine the if the bolt was compomised in hardeness. Learning the color spectrum for tempering is good for more than welding, it will help you reharden parts, along with tempering springs etc.

Don

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Both can do a successful job. But bolts are very sensitive to heat so either way you go you need to first learn proper welding skills and learn how to determine the if the bolt was compomised in hardeness. Learning the color spectrum for tempering is good for more than welding, it will help you reharden parts, along with tempering springs etc.

Don

 

What would be a good source to learn the spectrum of tempering. I have done a cursory search and found a bunch of color scales that are poorly seen on the screen. Is there a book that you would recommend?

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