HSS Sustainability Contest | Steel Tube Institute

Use STI’s Optimizing Sustainable Structures With HSS: A Comprehensive Guide to answer the following question correctly and be entered for a chance to win a $150 gift card.

According to Optimizing Sustainable Structures With HSS: A Comprehensive Guide (STI), Section C, when comparing two steel columns of equivalent capacity — a W12×40 wide-flange column and an HSS 8×8×1/4 — what is the relative global warming potential (GWP) of the steel columns, including fireproofing?*
- The WF column has 6.3% greater GWP than the HSS column
- The HSS column has 9% lower GWP than the WF column
- The HSS column has 5.3% greater GWP than the WF column
- The HSS column has 2.7% lower GWP than the WF column
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Entries must be submitted through the online entry form February 27, 2026 through March 31, 2026. One entry per email address. The random drawing will be held April 1, 2026. The winner will be notified via email.