GLENVIEW, Ill. : The essential technical guide, “Methods to Check Dimensional Tolerances on Hollow Structural Sections” from the Steel Tube Institute (STI), is approved as the standard guide for measuring…

GLENVIEW, Ill.: The Hollow Structural Sections Committee of the Steel Tube Institute (STI) is introducing an updated technical guide, “Methods to Check Dimensional Tolerances on Hollow Structural Sections,” to help…