The four angles in a Steel Square Tube are highly uniform with high intensity. Steel Square Tubes have low manufacturing cost. Square and Rectangular Steel Tubes differ in characteristics but they are both used in Building and Construction Applications. They are mostly used to get maximum floor area in steel housing and high rise steel buildings. Steel Square Tubes can be easily recycled. Buildings, Highway Guardrails, Signage, Support Columns, Trusses, Bridges, Heavy Equipment, Storage Systems, and Exercise Equipment use Steel Square Tubes.