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Videos and literature to keep you up-to-date on the latest research, insights and trends in steel tubular products. Apply filters to view results by product type and content type.
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HSS Reference Guide No. 4: HSS Connection Limit States and Limits of Applicability
Hollow Structural Sections
Download our latest quick reference guide to help you navigate HSS connection limit states and limits of applicability. STI’s comp…

Beyond the HSS Limits of Applicability – Efficient Solutions for Rational Analysis
Hollow Structural Sections
The use of Hollow Structural Sections (HSS) can be the most efficient and cost-effective option for many multistory projects, espe…

HSS Insider – May 2025 – HSS Welded Column Splice Design
Hollow Structural Sections
This issue features HSS Column Splices, including design examples for rectangular welded splices and a quick reference guide for b…

HSS Splice Design Examples | Part 1: Rectangular Column Field Welded Moment Splices
Hollow Structural Sections
Hollow Structural Section (HSS) columns are applicable to many design situations and can be used in more building types than just …

HSS Reference Guide No. 3: HSS Column/Chord Splice Connections
Hollow Structural Sections
Explore STI’s HSS Moment Connection Reference Guide, to assist you in the design of Beam-to-HSS column and HSS-to-HSS moment conne…

Steel Tube Specifications: Side-by-Side Reference Table
Hollow Structural Sections
Understanding the specifications for Hollow Structural Sections (HSS) is essential for selecting the appropriate standard for your…

HSS Insider – Mar. 2025 – Steel Tube Specifications
Hollow Structural Sections
Download STI’s ASTM reference tables and discover how easy it is to find your HSS sizes.

HSS Capability Tool Instructional Video
Hollow Structural Sections
This short instruction video guides you through HSS Connex, STI’s free web-based tool designed to simplify the process of checking…

2020 National Electrical Code® (NEC®) Changes
Steel Conduit
The National Electrical Code (NEC) is used in all 50 of the United States, as well as several countries in North, Central, and Sou…

2023 National Electrical Code® (NEC®) Changes
Steel Conduit
The National Electrical Code (NEC) is used in all 50 of the United States, as well as several countries in North, Central, and Sou…
HSS Articles Authored by Dr. Jeffrey A. Packer
An international authority and a leading expert in the field of tubular steel structures. Dr. Jeffrey A. Packer has contributed several technical articles on behalf of STI to assist practicing engineers and architects in HSS design.
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