Jumbo-sized HSS are being made available in the US with square sections up to HSS22X22X⅞ and rectangular sections up to HSS24X12X⅞. Section properties and dimensions are provided below. In order to facilitate their use in column design, extensions to Tables 4-3 and 4-4 of the Steel Construction Manual, 14th ed., “Available Strength in Axial Compression”, have also been made accessible here. Availability of jumbo-sized HSS should be confirmed by the supplier before use in design. For more information on jumbo-sized HSS, see the SteelWise article in the November 2011 issue of Modern Steel Construction.
Dimensions and Properties of:
Available Strength in Axial Compression for: