DuraGal® Rectangular Hollow Sections (RHS) are high strength cold formed structural hollow sections that are In-line Hot dip galvanized over a prepared metal surface, to produce a fully bonded coating with a minimum average coating mass of 100g/m2, in accordance with AS/NZS 4792: Hot-dip galvanized (zinc) coatings on ferrous hollow sections, applied by a continuous or specialized process. The external zinc coating then has a surface conversion coating applied to improve resistance to white rusting and improve the adhesion of paint and powder coatings.
Internally painted DuraGal® Hollow Sections are also available for selected sizes.
AS Standard: AS 1163
Grade: DualGrade® C350L0/C450L0
Size Range: 50x20 RHS to 150x50 RHS
Thickness Range: 1.6mm to 6.0mm
Standard Length: 6.5m, 8.0m
Surface Finish: DuraGal® (In-line, Hot-dip Galvanized).