Mild Steel Round Tubing 1-1/2in x .120in x 12ft

Mild steel round tubing 1-1/2in x .120in x 12ft from ALLSTAR PERFORMANCE is the foundation material for custom frame fabrication, roll cages, and structural reinforcement in automotive builds. Whether you're designing a tube chassis for a race car, building a roll bar system for safety compliance, or constructing custom bumpers and nerf bars, this 12-foot length provides the raw material needed for serious metalwork. Shop-fabricators, restoration specialists, and performance enthusiasts rely on quality tubing stock to ensure welds hold under stress and frames maintain integrity through aggressive driving or competition.

The 1-1/2-inch outer diameter with .120-inch wall thickness delivers an optimal balance of strength and workability for mid-range structural applications. Mild steel accepts welding without brittleness, cuts cleanly with proper equipment, and bends predictably when heated—critical attributes for frame rails, cross-members, and cage components. At 20.475 pounds for the 12-foot section, the tubing is substantial enough to handle loadbearing duties while remaining manageable for single-person handling during layout and tacking. The round profile provides uniform load distribution and clean welds in all planes, making it ideal for both MIG and stick processes commonly used in fabrication shops.

This tubing size is widely used in tube chassis construction, off-road vehicle frames, and vintage hot rod builds where consistent wall thickness and diameter tolerances matter. Fabricators benefit from ALLSTAR PERFORMANCE's reputation for dimensional accuracy, which reduces fitment issues and rework. The 12-foot length minimizes joints in longer runs, though experienced builders often cut sections strategically to manage shipping and shop layout. Pair this with quality welding rod, proper jigs, and finishing work—paint or powder coat—to complete structural assemblies that will outlast engine swaps and performance upgrades.