This document is the 14th edition of the Steel Construction Manual published by the American Institute of Steel Construction (AISC). It provides design guidance and specifications for structural steel buildings and bridges. The manual consists of 17 parts covering dimensions and properties of steel sections, design of members under various loading conditions, and design of bolted and welded connections. It includes the AISC Specification for Structural Steel Buildings and the RCSC Specification for structural joints using high-strength bolts.