![Fabricators 1 sample image Fabricators](https://steeltubeinstitute.org/wp-content/uploads/2020/04/sample-image.jpg)
HSS FABRICATION EXCELLENCE: EXPERT TIPS AND RESOURCES
![Fabricators 2 HSS Capability Tool](https://steeltubeinstitute.org/wp-content/uploads/2023/12/STI-Capability-Tool-600x400-1.png)
Capability Tool
![Fabricators 3 Sustainable green building](https://steeltubeinstitute.org/wp-content/uploads/2023/05/Sustainable-building-600w.jpeg)
Sustainability
![Fabricators 4 Methods to Check Dimensional Tolerances on Hollow Structural Sections](https://steeltubeinstitute.org/wp-content/uploads/2023/12/Tolerance-Brochure_Cover_Reduced_600x400.png)
Tolerance Guide
![Fabricators 5 Female working with laptop](https://steeltubeinstitute.org/wp-content/uploads/2023/12/HSS-Professional-Membership_Individual_600x400.jpg)
Professional Membership
MATERIAL STANDARDS
Hollow Structural Sections (HSS) are manufactured in a wide array of square, rectangular and round sizes and adhere to the ASTM A500, A1085, A847 and A1065 ASTM specifications. See the materials resources below for more information.
![Fabricators 6 Steel Tube Institute's Hollow Structural Sections Member Producers](https://steeltubeinstitute.org/wp-content/uploads/2024/02/STI-HSS-Member-Producers-650x365_rev1.jpg)
![Fabricators 7 Stack of square hollow structural sections](https://steeltubeinstitute.org/wp-content/uploads/2023/12/Stack_Square_HSS_600x400.png)
Understanding HSS Material Specifications: Which ASTM Should I Specify for HSS?
![Fabricators 8 Stack of round HSS](https://steeltubeinstitute.org/wp-content/uploads/2024/02/HSS_Round_Stack_YL9X0174_600x400.jpg)
A500 Versus A53: Different From the Inside Out
![Fabricators 9 Mazak - laser cutting technology](https://steeltubeinstitute.org/wp-content/uploads/2023/12/Mazak_Wilbanks_V1.00_01_19_17_600x400.jpg)
ARTICLES
The Steel Tube Institute offers an extensive collection of technical articles encompassing various topics, including fabrication. Authored by industry experts, these articles offer invaluable insights and best practices. Explore the featured fabrication articles below or access our complete HSS article library for comprehensive resources.
![Fabricators 10 Figure 5: W-shape beams inserted into round HSS column, prior to welding (Adige-Sys SpA)](https://steeltubeinstitute.org/wp-content/uploads/2023/12/Moment-Connections-Using-Laser-Cutting-Fig5_600x400.png)
Beam-to-HSS Column Moment Connections using Laser-Cut Columns
![Fabricators 11 Hartsfield - curved HSS](https://steeltubeinstitute.org/wp-content/uploads/2023/12/Hartsfield_curved_hss_600x400.png)
Bending of Hollow Structural Sections
![Fabricators 12 Welding](https://steeltubeinstitute.org/wp-content/uploads/2023/12/Welding_Sparks_600x400.png)
Expert Tips for Cost-Effective HSS Specification and Fabrication
![Fabricators 13 HSS structure 600x400 1 Fabricators](https://steeltubeinstitute.org/wp-content/uploads/2023/12/HSS_structure-600x400-1.jpg)
Heat Treating HSS
![Fabricators 14 Sustainability - blue skies with green trees by a building](https://steeltubeinstitute.org/wp-content/uploads/2023/12/Sustainability_Blue-Sky-Green-Building-600x400-1.jpg)
EPD: Achieving Green Goals With HSS
![Fabricators 15 Salvador Dali Museum with hot-dip galvanized HSS](https://steeltubeinstitute.org/wp-content/uploads/2023/12/Salvador-Dali-Museum-600x400-1.jpg)
Galvanizing HSS
![Fabricators 16 Fabrication](https://steeltubeinstitute.org/wp-content/uploads/2023/12/NP_3285-600x400-1.jpg)
Insights from a Steel Fabricator: Overcoming Fabrication Challenges through Communication, Technology, and Experience
CASE STUDIES
From stadiums and stores to bridges and museums, see how cost-efficient HSS enhanced the aesthetics of these structures. View all case studies.
![Fabricators 17 Allianz Field - interior shot](https://steeltubeinstitute.org/wp-content/uploads/2023/12/Allianz-Field_6_Interior-CreditMAMortensonCompany_600x400.jpg)
![Fabricators 18 Allianz Field - featuring HSS](https://steeltubeinstitute.org/wp-content/uploads/2023/12/Allianz-Field_4_ExteriorNight-CreditMAMortensonCompany_600x400.jpg)
Allianz Field
![Fabricators 19 Landoll Agricultural Equipment utilizes hollow structural sections](https://steeltubeinstitute.org/wp-content/uploads/2023/12/Landoll-Agricultural-Equipment_600x400.jpg)
Landoll Agricultural Equipment
![Fabricators 20 Big R Manufacturing's pedestrian bridge featuring HSS](https://steeltubeinstitute.org/wp-content/uploads/2023/12/BigR_Pedestrian_Bridge_DSC_0864-600x400-1.jpg)
Pedestrian Bridge
WEBINARS
STI offers both live and recorded webinars dedicated to the fabrication of hollow structural sections. Explore the following sessions to equip fabricators and engineers with cutting-edge tools and insights for HSS fabrication.
![Fabricators 21 Tempe Walk Bridge rendering](https://steeltubeinstitute.org/wp-content/uploads/2023/11/Tempe-Walk-Bridge-650x330-1.jpg)
![Fabricators 22 Eco-friendly structures](https://steeltubeinstitute.org/wp-content/uploads/2023/12/Sustainability-Buildings-Green-Leaves-600x400-1.jpg)
Revised Buy Cleaning California and the Steel Supply Chain
![Fabricators 23 Measuring HSS tolerances - tools](https://steeltubeinstitute.org/wp-content/uploads/2023/12/Tolerance-Measurement-Tools_600x400.jpg)
Measuring HSS Tolerances
![Fabricators 24 Stacks of square, rectangle and round HSS](https://steeltubeinstitute.org/wp-content/uploads/2023/12/Stacks_HSS_YL9X0159_600x400.jpg)
Debunking the Myth of HSS Costs
![Fabricators 25 Knox County Bridge - using galvanized HSS](https://steeltubeinstitute.org/wp-content/uploads/2023/12/KnoxCountyBridge_600x400.jpg)
Hot Dip Galvanizing HSS
![Fabricators 26 Curved HSS Members](https://steeltubeinstitute.org/wp-content/uploads/2023/12/Curve-HSS-Members-Webinar-600x400-1.jpg)
Curved HSS Members
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