If you are upgrading from the 14th edition (AISC 325-14), be aware of these critical updates:
The 15th edition (AISC 325-20) is a substantial volume—over 2,000 pages. It is organized into 17 parts (chapters) plus several appendices. Here is a breakdown of the most critical sections: aisc 325 steel construction manual
It was heavy. 1,500 pages of American Institute of Steel Construction wisdom. She flipped past the glossy Section Properties tables—the W-shapes, the angles, the HSS. Past the dimensions of bolts and the specifications for welds. She landed on Part 9: Design of Connections . If you are upgrading from the 14th edition