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Atlas Observer

The Atlas Observer

Welcome to the Atlas Tube blog of industry info and news about HSS products.

Top Five Reasons to Use Composite HSS

Composite HSS, or concrete-filled tubes (CFT) as it is sometimes referred, is an underutilized form of design and construction that has several advantages.  The most common use is for columns supporting traditional steel framing or other floor systems such as Delta Beam with precast concrete planks. Let’s explore the top five reasons you will want to consider Composite HSS on your next design.

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What the Spec: Minimum Yield of ASTM A500

You’ve designed structures with HSS products throughout your career and enjoy using them – whether it is their greater design properties in both axis, or how they are particularly suited for compression column applications, HSS’s popularity continues to grow every year. And whenever we have tours at one of our manufacturing facilities across the United States, I always get questions about how HSS are made and the specifications the material is produced to.

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HSS Project Spotlight: Seattle’s North Transfer Station


HSS Project Spotlight: Seattle’s North Transfer Station

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Designing with HSS: The Availability of ASTM A1085 High Performance HSS


Every tradeshow or meeting I attend, a few engineers tell me about their experience specifying A1085 on a project:

  • My fabricator told me you can’t get that size in A1085
  • It’s going to take too long to get that item as an A1085
  • I would love to use A1085 on my project but the service center we use doesn’t stock it
  • I specified A1085 but was sent A500 instead
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HSS Project Spotlight: Skydance Bridge


If you have visited Atlas Tube’s website or read up on our literature recently, you may have noticed an interesting structure that we’ve showcased that was made from HSS. That structure is the Skydance Bridge.

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