SteelBook is a Universal Structural Steel reference app containing the latest (v15), previous (ASD 5 - 9, LRFD 1 - 3, v13, v14, v14.1) and HISTORIC American Institute of Steel Construction's Structural Steel Databases in a fast, easy to use interface.

Buy once, run on iOS, iPad OS & Mac OS!


    - Current version 15 & 15-SI (NEW!)

    - Versions 13.2 & 13.2 SI, 13.1.1, 13.1.1 SI, 13, v14 & v14-SI, v14.1 & v14.1-SI

    - LRFD 1st through 3rd Ed.

    - ASD 5th through 9th Ed.


    Properties can be displayed in either the original imperial units or converted to metric with  the tap of a button (libraries 13.2 & newer)

    Sort sections within a library given a specific property in ascending / descending order. 

    SteelBook also lets you find a section with a quick search function, where, for example,  "W16 x 89", "W16x89" or simply "W1689" will locate the same section or its closest approximation.

    Display Equivalent Imperial / Metric designations side by side while browsing

    For library version 15, support for v14 coming soon

    Print a section's properties & cross section or Share as a PDF

    SteelBook's UI adapts to your device's setting, whether you prefer Dark, Light or adaptive color scheme, SteelBook will naturally adapt to it.

Also new is Dynamic type support, SteelBook will adapt its interface to your device's accessibility settings.

    The Steel app for the next decade, run on iOS/iPad (iOS/iPad OS 16 and newer) and on MacOS (10.13 / Ventura)