The American Institute of Steel Construction (AISC), a not-for-profit structural steel technical institute, partners with the AEC community to develop safe and efficient steel specifications and codes while driving innovation to make steel the most sustainable, economic, and resilient structural material on the market.

AISC's research programs are well known and highly respected for advancing the state of the art of steel design and construction. Our research activities help improve steel codes and specifications, reduce the cost of steel construction, and improve the performance of steel buildings and bridges.

AISC offers an extensive collection of documents and publications related to the design and construction of fabricated steel buildings and bridges. Many of our documents are free downloads to the general public, and thousands more are free downloads for AISC members.

Welcome to the AISC Learning Portal -- the premier source of information on steel design and construction topics offered in a variety of convenient formats. Whether you are looking to build your steel expertise or seeking professional development hours for licensure renewal, you’ll find it …

AISC's certification programs set the quality standard for the structural steel industry and are the most recognized national quality certification program.

2022 Code of Standard Practice for Steel Buildings and Bridges (ANSI/AISC 303) The AISC Code of Standard Practice provides a framework for a common understanding of the acceptable standards when contracting for structural steel.

For information relating to AISC's programs for faculty and students, including educator awards, student competitions, scholarships, AISC Manuals, and other teaching resources for use in and outside of the classroom.

(This Preface is not part of ANSI/AISC 360-16, Specification for Structural Steel Buildings, but is included for informational purposes only.) This Specification is based upon past successful usage, advances in the state of knowledge, and changes in design practice. The 2016 American Institute of Steel Construction’s

The AISC Steel Solutions Center is proud to release our Structural Steel Dimensioning Tool. Your interactive one-stop-shop, either at your desk or on-the-go, for detailing dimensions for all rolled sections in the 2017 printing of the 15th Edition AISC Steel Construction Manual.

AISC has produced 40 design guides over the past 30 years to provide detailed information on topics related to structural steel design and construction. Design guides are available as downloadable PDF documents. Downloads are free for AISC members. Design guides are also available in printed form.