Structural tube is a ready-primed and zinc-coated Electric Resistance Welded (ERW) product, manufactured for structural purposes. The majority of structural tube manufactured by Orrcon Steel is either painted or galvanised as a value-add process. Two state-of-the-art tube mills in Brisbane manufacture circular, rectangular, square and other structural tube products from 20mm to 168.3mm diameter, with wall thicknesses ranging from 1.6mm to 6.0mm. All Orrcon Steel structural products are available in different surface finishes - SMARTCOTE® (painted), ALLGAL®, Oiled and Black. Most structural products are available in minipaks® providing added value and competitive advantages for you.