Atlas Observer

A Deep Dive into ASTM A500 HSS for Structural Applications

by Bradlee Fletcher on March 16, 2026

Hollow Structural Sections (HSS) are popular among structural engineers due to their unique combination of strength, efficiency, and aesthetic versatility. The most common governing standard for HSS in North America is ASTM A500. For structural engineers designing complex projects, understanding the nuances of t...

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HSS vs. TS: Understanding Steel Section Terminology

by Bradlee Fletcher on January 5, 2026

Have you ever looked at a set of structural drawings and wondered about the difference between "TS" and "HSS"? If you've been in the industry for a while, you likely remember when Tube Steel (TS) was the standard term in the United States. Today, Hollow Structural Section (HSS) is the globally recognized name. This...

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Simplify HSS Connections with Shuriken®

by Ted Goldstein on December 10, 2025

Designing connections for Hollow Structural Sections (HSS) used to be perceived as challenging. The inaccessible interior of the tube often necessitated field welding or the use of specialized, expensive one-sided fasteners. While these methods served their purpose, they could also increase project timelines and costs and...

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Atlas Tube Appointment Update

by Abbie Milligan on June 26, 2020

It is with my great pleasure to announce the appointment of Tom Muth to the role of Executive Vice President and Chief Operating Officer of the Tubular Products Division of Zekelman Industries. Tom has over 30 years of experience in the pipe and tube industry. Tom began his career with Copperweld Corporation and joined Atlas Tube in 2005 as Vice...

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Why Just Lunch, When You Can Lunch & Learn?

by Abbie Milligan on May 21, 2019

An Atlas Tube Lunch & Learn is an opportunity to engage with the leading producer of Hollow Structural Sections (HSS) in North America and learn more about specifications, connections, production and other HSS related topics. Lunch & Learns are an easy and convenient way to not only gain PDH credits needed to meet continuing education re...

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