<p>This Architectural Drawing is Galvanized steel hollow box. Mild steel box section can be used for a huge range of various applications including <strong>construction, frames, structures, security grills, transport, and general fabrications</strong>. The term Hollow Structural Sections (HSS) refers to <strong>high-strength welded steel tubing used as structural elements in buildings and other structures and a variety of manufactured products</strong>. It is produced in round, square and rectangular shapes and a broad range of sizes to the ASTM A500, A1085, and A1065 specifications. For more information and details download the drawing file.</p>