unlock greater potential with hss
Here, you’ll find everything you need to explore the advantages of building with steel hollow structural sections (HSS). HSS offer superior utility and versatility and are favored for their clean, modern aesthetic. Because of their structural properties, HSS are often the most efficient structural members. STI is dedicated to giving you the valuable tools and resources you need to bring your project to life.
HSS Resource Library
Read the latest technical articles from industry experts, watch helpful videos and more.
HSS Design Manuals
Access our series of technical HSS design manuals complete with examples, written for and by structural engineers.
HSS Webinars
Earn your PDHs and gain valuable information on designing with HSS during our live and prerecorded webinars.
HSS Connex
This web-based software tool offers a simple way to check HSS wall thicknesses to aid in HSS connection design.
HSS Capability Tool
This tool helps specifiers and others within the supply chain locate producers of available HSS sizes.
STI Member Benefits
Individual and group membership includes free webinars, design tools, discounts and more.
Limit State Tables
Download our summary of limit states to consider for connections at HSS.
Measuring Tolerances
View our STI Tolerance Guide, measurements video and webinar to learn how to check tolerances.
Sustainability
Access the latest sustainability resources including EPDs, articles and webinars.