1/2" Solid Square Steel Bar – A36 Carbon Steel Solid A36 hot-rolled carbon steel square bar measuring 1/2" x 1/2" (0.5"). Known for excellent weldability, machinability, and strength — a reliable choice for fabrication, structural, and maintenance applications. Common applications: Shafts, pins, and keys Structural supports and frames Fabrication and machining projects Welding practice and training DIY and repair work Need a custom length or bulk order? Call 636-456-8400 or contact us online. Surface Oxidation Notice: Bare steel products may have surface rust due to natural oxidation during storage and transit. This does not affect material integrity and can be removed by wire brushing, grinding, or chemical treatment.
