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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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HSS Design Tools: The HSS Library


HSS Design Tools: The HSS Library

There’s a lot of information around the internet on HSS products – so much so that it’s hard to keep track of it all! Instead of going to multiple sources to find the latest information on HSS, we’ve compiled the best articles into a new section on our website – the HSS Library.

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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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Designing with HSS: ASTM A1085 Specification Pocket Reference Guide



ASTM A1085 was developed to improve performance issues related to HSS used in seismic and bridge applications and to make HSS more economical and efficient, raising the bar for construction—especially bridge and seismic design.

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