1-1/2" x 1-1/2" Hot Rolled Steel Square Tube with a 0.072" wall thickness, in 240" lengths. Made to ASTM A500 Grade B specifications, it offers a minimum yield strength of 46,000 PSI and excellent weldability. This medium-sized structural tubing is ideal for building trailer frames, equipment bases, support structures, and general fabrication projects. In stock for immediate Los Angeles pickup.