Vega Fence mod - adding extruded aluminum T-Slot

I am looking for steel T tracks which can be welded in place to make a fabricated table with T slots All I have found so far are aluminum T

Introducing the 48 in aluminum T-track by POWERTEC This heavy-duty T-Track is designed to work with an assortment of general purpose fixture and jig

aluminum slot wheels Aluminium Profiles, Fasteners, T-slot Nuts, End Caps, Adjustable Feet, Hinges, Sliding Components and more

aluminum t slot rails T Slot aluminum extrusion profile is a very popular aluminium profile for easier and faster to build assemblies This product is the extrusion itself You can