Orrcon Steel is a Bluescope company

Square Hollow Section

Orrcon Steel Manufacturing Pty Ltd stocks rectangular hollow sections ranging from 38x25mm to 400x300mm.* Our Rectangular Hollow Sections are manufactured to the Australian Standard for structural steel hollow section AS/NZS 1163 and cover steel grades C250L0 and C350L0.

A variety of surface finishes are available across our range of structural tubulars, but not all finishes are available in all sizes.

* Please note that some gauges & diameters within this range are sourced from pre-qualified suppliers - which may involve longer lead times. Sizes outside this range are available (subject to enquiry).

  • Painted (PTD)
  • Oiled
  • ALLGAL®
  • Some 5.0mm ALLGAL sections available ex-rollings. Minimum order quantities (MOQ) apply.
  • Non standard sizes, surface finish and lengths available, subject to enquiry. Minimum order quantities (MOQ) apply.
  • C450L0 grade available for some sizes subject to enquiry. Minimum order quantities (MOQ) apply.
  • NOPC & OILED available upon enquiry.
  • Please contact your local Orrcon Steel Distribution Centre for MAXI-TUBE® products.
Standard Grade* Yield Strength Tensile Strength CHS RHS & SHS
    MPa (min) MPa (min) <15 15-30 >30 <15 15-30 >30
AS/NZS 1163 C250/C250L0 250 320 18 20 22 14 16 18
  C350/C350L0 350 430 16 18 20 12 14 16
  C450/C450L0 450 500 12 14 16 10 12 14

Can't find what you're looking for? Contact our customer service on1300 677 266or