When you put it like this it is much more convincing... To the soldering then with soft solder containing Ag (for stainless). Acid, preheat, then torch soldering. I use HF and HNO3 mix. Ratio depends what I want to achieve and how lazy I am.

Thanks for holding me down on this one.

Thanks for info. V-groove would be perfect if one would want to do this part justice, but filling this groove would bend the part for sure. I think I will go with "quick zap". High current, preheat to 200*C, a lot of argon, maybe etching with acid those pits before the job. If I could give...

Hi! I have this problem (see the picture). I designed this piece, and sent it to our shop for welding. The plane of the piece have to be flat and smooth. The hole had been precision grind to fit a piston. Unfortunately the guys at the shop did terrible job, as you can see at the picture. Upon lathin...