About

About Steel Tube Institute The Steel Tube Institute is the leading technical resource in North America for all steel tube / HSS products. STI's programs include continuing education, technical resources, technical assistance, and safety programs as we promote best practices in engineering design, environmental concerns, manufacturing techniques, industry safety, and the overall steel industry. Our main goal is to increase utilization of HSS and other tubular products in construction and other industries, and to reveal the wealth of possibilities afforded by designing with HSS.