Welding up free T-slot extrusion instead of bolting together a frame?

T-Slot Aluminium Extrusion Profile at Rs 220meter aluminum t slot channel Available Sizes and Finishes for Aluminum T-Slide Track Channel · Sizes: 25MM, 30MM, and 40MM · Finishes: Mill finish and clear anodized · Cut Lengths: Various aluminum extrusions t slot T-slots are an unofficial standard for framing systems that consist of square or rectangular extruded aluminum lengths with slots along their sides

aluminum t slot channel Has four inch T-slots; Center-bore is for an 516-18 tap Technical Specifications: Material, 6063-T6 Aluminum