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RHS – Rectangular Hollow Sections & SHS – Square Hollow Sections


Rectangular Hollow Sections (RHS) and Square Hollow Sections (SHS) manufactured by Austube Mills meet relevant standards and are used in construction, manufacturing, mining, rural, and transport industries throughout Australia. Our RHS and SHS product is carefully tested by our accredited, in-house labs to ensure quality and compliance


  • High strength grades compete economically against alternative products
  • Flat surfaces make it economical for joining and other fabrication processes
  • Clean lines make it easy to apply finishes
  • Minimal edge preparation required for joining and welding
  • Advanced coatings suit most top coats
  • Easily and safe to weld


DuraGal: Minimum average coating mass of 100 grams per square metre inside and out

DuraPrimed: painted with blue or black primer

Oil: black product may be lightly oiled.

  • AS/NZS 1163: 2016 – Structural steel hollow sections