welding needed

[greggholmes]

I have my dads " Manton " 10 gauge shotgun.

while taking it apart to clean and oil it, the trigger gaurd had a crack in it and decided to let go.
At what would be this corner on this gun.
(i dont have a pic of it with me, im at work its at home so i used this pic to show where the break is).



I need someone to weld it for me for a shoot coming up in the middle of September. It doesn't have to be perfect just clean and even.

[Captchee]

boy , thats the worst possable spot . need to find someone with a tig .
alot of these that were not cast , wete simply forged , so  you end up with the metal being foulded and thus very thin right there

[James Kelly]

"Steel" or iron mounts for London made Colt revolvers were cast malleable iron. I'd bet Manton the same. In my opinion you need a skilled TIG (a.k.a. GTAW) welder and a high nickel weld filler made for cast iron. That is, either about 50% nickel by weight, or about 90% nickel by weight, balance iron.

I'd have to read up on malleable iron metallurgy but I'd think that some manner of s-l-o-w anneal would be appropriate after welding.

Or you could find a guy skilled at silver brazing cast iron. This is not quite like like silver brazing/soldering steel, experience would be nice. Saves annealing, less chance of ruining it. I  could dig up info on brazing cast iron if you wish.

Metallurgist for the last half century.

Jim K

[James Kelly]

Pushed button twice, sorry.
Jim K

[greggholmes]

I have a pro welder I know, just hard to get a hold of him. He once welded an aluminum bar to a steel table,  and it held for what he needed. He certed nuke and food service welding.