4″ x 3″ Aluminum H-Beam – 6061 Alloy Structural Support
This 4″ x 3″ Aluminum H-Beam (6061 Alloy) combines excellent structural strength with lightweight corrosion resistance. The 6061-T6 grade aluminum offers high tensile strength, superior machinability, and outstanding weldability—making it perfect for construction frames, trailer builds, machine supports, and general fabrication.
With its clean mill finish and precise shape, this beam delivers long-lasting durability for both industrial and DIY projects. Custom cuts, holes, and bulk orders available — contact Warrenton Steel at 636-456-8400 for quotes or large-volume pricing.
