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New Jumbo HSS Now Available in the U.S.
Posted by Tasha Weiss on April 5, 2012 at 10:38 AM.


Atlas Tube, a division of JMC Steel Group (and an AISC member), announced it has partnered with Nippon Steel and Sumikin Metal Products Co., Ltd. (NSMP) and Mitsui and Co. Ltd. to supply “jumbo” hollow structural sections (HSS) to the North American market. The jumbo sizes, which were not originally available in North America, range from 18-in. square to 22-in. square and up to 0.875 in. in wall thickness. Atlas Tube will market and distribute these jumbo HSS products throughout North America. (Photo: JMC Steel Group)


Typically used in vertical column and diagonal bracing applications and as members of large, long-span trusses, the jumbo HSS sections offer an alternative to open sections and built-up, welded box sections used in structures with a high load demand.


“As an engineer, you want all the tools at your disposal to effectively solve design challenges in a cost-effective and timely manner,” says Bradlee Fletcher, a structural engineer with Atlas Tube. “Readily available jumbo HSS will be another option for engineers to do just that, especially for structures with large load demands, such as ones in high seismic areas.”


The jumbo sizes are now available from Atlas’ Chicago facility. For more information on the new sizes, visit

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