The welding will likely make the silver steel brittle and will crack at the joint, a mechanical fixing would be better, or if it must be welded then brazing or silver solder may be a better solution.
This was a bloke I got in to deal with our foul sewer a few years ago, the chamber is about a metre deep and was about three quarters full of you can guess what, I often wondered if he has many friends.
I've got the bluepoint, snap on ones too, must have had them best part of 40 years and they still cut like new, the grips are colour coded, green cut left, and red to the right.
For small quantities I use a bench shear, had to cut this 1.5mm stainless one yesterday, first mark it out,
Then rough cut it with a few straight cuts to within a few mm
Then use the shear to cut to the line in one smooth movement, the thin offcut will distort and bend easily out the way as...
Chap comes in this morning, can I make a trolley for one of those indoor barbecue thingies?, so a few hours later and had turned out this, just made from mild steel off cuts, he will give it a coat of paint his self, the trays are ally five bar off cuts and just lay in loose.