>What welding process are you thinking? A pulse of GTAW. You can set your welder to just give a short duration weld pulse, and you'd have it set so that a sin

>What welding process are you thinking? A pulse of GTAW. You can set your welder to just give a short duration weld pulse, and you'd have it set so that a single pulse would complete the weld on the saw blades without using filler material. Search on youtube for people welding razor blades together to get an idea.