Hollow Structural Solutions (HSS)

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Hollow structural sections (HSS) are a structural element in buildings, bridges, and in a wide variety of manufactured products. HSS is produced in round, square, and rectangular shapes in a broad range of sizes and gauges, and has numerous benefits for design professionals.

Aside from standard hollow structural sections, Atlas Tube also manufactures Jumbo HSS, the new ASTM A1085 spec, and pipe piles. Atlas Tube is also a strong resource for HSS connections.

Contact our structural engineer Brad Fletcher at bradlee.fletcher@atlastube.com with your HSS-related questions.

Benefits and Advantages

Core Advantages

  • HSS is widely available throughout North America from a large number of steel service centers
  • HSS has greater strength-to-weight ratios than wide flange W and HP shapes. So, with HSS you need less steel, by weight, to do the job. And less weight equals less cost.
  • Excellent compression and support characteristics and superior torsional resistance make HSS particularly well suited to all types of column applications
  • HSS is made from steel, one of the world’s most recyclable and recycled materials
  • Torsional strength makes HSS an excellent choice for bracing and perimeter members
  • Less surface area than open sections allows for reduced clean up and painting
  • Connection information is now widely available for use throughout North America
  • Wide variety of shapes and wall thicknesses are available
  • The uniform shape of HSS makes it easy to fabricate and well suited for architecturally exposed applications

Engineering Advantages

  • Greater design properties in both axis (moment of inertia, section modulus and radius of gyration)
  • High resistance to torsional loading
  • Particularly suited for compression column applications
  • Less weight-per-foot
  • Diversity: strength, formability, toughness and corrosion resistance
  • Less resistance to air and water flow

Architectural/Design Advantages

  • High quality surface finish
  • Appearance in exposed applications can become an exciting and visual part of the design of buildings and other structures
  • Cost effective in relation to other building materials
  • Ability to conceal essential services

Fabricator/Contractor Advantages

HSS can be readily bent, formed, punched, and drilled. New and improved methods to fasten HSS to itself or to other materials are making its use simpler and fabrication faster.

  • Easier, faster and cheaper to paint or coat (22.3% less surface area)
  • Easier to weld in both the shop and field (due to restricted chemistries) no preheating or post-heating is required
  • Easier to fit mating parts together (no notching or copying of joints as with beams or channels)
  • Reduced weight means additional savings in erection and shipping costs

Downloads and Industry Resources


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