W21x166 Dimensions

The steel beam dimensions for the W21x166 section can be seen in the table. The depth of the section is 22.5 in. The width of the section is 12.4 in.

Dimension Value
Depth 22.5 in
Top Width 12.4 in
Top Thickness 1.36 in
Bottom Width 12.4 in
Bottom Thickness 1.36 in
Web Thickness 0.75 in
Fillet Radius 0.5 in

W21x166 Section Properties

The W21x166 section has an area of 48.8in2. The below table outlines the W21x166 section properties including the torsion constant as well as moment of inertia and plastic modulus properties.

A J Iyp Izp Alpha Cy Cz Iw Plastic Mod Yp Plastic Mod Xp
48.8 in2 23.6 in4 435 in4 4280 in4 0 deg 0 in 0 in 48500 in6 108 in3 432 in3

Materials and Design Standards W21x166

This section is typically designed using the design standard AISC 360-16 LRFD and is manufactured using a hot rolled process as it is a steel section.

W21x147 Dimensions W21x182 Dimensions
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