To understand the significance of the current Manual, one must appreciate its lineage. The AISC was founded in 1921, and the first edition of the Steel Construction Manual was published in 1927. In its infancy, the manual was a pocket-sized booklet aimed at simplifying the Allowable Stress Design (ASD) methodology of the time. Over the ensuing decades, as steel production evolved and structural theory advanced, the Manual grew in scope and complexity.

: A series of over 35 specific papers covering niche topics like hollow structural sections (HSS) , facade attachments , and serviceability .

“This,” she’d say. “Because steel lies to architects. Wind lies to computers. But the AISC 325? It tells the truth. And sometimes, the truth is the only thing holding up the building.”

The story of safety. Written in steel. Bound in duct tape.

The current standard is the 16th Edition (AISC 325-23) , released in 2023, which supersedes the 15th Edition (2017). Core Purpose and Contents