Profile selection is one of the earliest decisions in frame design, and it drives weight, stiffness, and fabrication time as much as the choice of material does. Square tubing and angle are two of the most requested profiles at our Marietta location, and they solve different problems.
Closed sections such as square and rectangular tubing are far more resistant to torsion than open sections of similar weight. That makes tube the stronger choice for carts, trailer frames, machine bases, and gates, where loads can rack the structure out of square. Tube also presents a clean, finished appearance on exposed work. Rectangular tube extends the same advantage when loads act primarily in one direction.
Angle is lighter per foot, simpler to fasten through, and provides a flat face for mounting panels, decking, or brackets. It is efficient for shelving, bracing, and support framing where attachment matters more than torsional stiffness. Many well-designed assemblies combine the two, using tube for the primary frame and angle for secondary members. Our team cuts, miters, and drills both profiles to specification with no minimum order, so parts arrive ready for fit-up.
In your shop's frame designs, what tends to decide the profile first: structural performance, weight, or ease of fabrication?
#Engineering #MetalFabrication #Manufacturing
Professional photo of square tubing and angle racked or cut to length at the Marietta location. Authentic photos strongly preferred. No Google Drive image folder is set up for this client yet, so request a real photo from the Marietta location.
Canva text suggestion: "Closed vs. Open Sections in Frame Design" or "Tube for Torsion, Angle for Attachment"