75x25x2.5RHS 75x25x2.5RHS Rectangular Hollow Section RHS 75 25 2.5 5 458.8628 3.6021 285123 7603 10059 24.9273 48664 3893 4525 10.2982 143782 0.1914 0.1757 Pending verification – nominal dimensions entered by the application developer AS/NZS 1163:2016 Cold-formed structural steel hollow sections 2016 2016 2026-10-12 UNVERIFIED Outer corner radius assumed as 2.0t for property calculation; confirm against AS/NZS 1163 and the manufacturer catalogue. Typical grade: C450L0.