W8x31 Dimensions

The steel beam dimensions for the W8x31 section can be seen in the table. The depth of the section is 8 in. The width of the section is 8 in.

8 in8 in0.435 in0.285 in
Dimension Value
Depth 8 in
Top Width 8 in
Top Thickness 0.435 in
Bottom Width 8 in
Bottom Thickness 0.435 in
Web Thickness 0.285 in
Fillet Radius 0.394 in

W8x31 Section Properties

The W8x31 section has an area of 9.13in2. The below table outlines the W8x31 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
9.13 in2 0.54 in4 37.1 in4 110 in4 0 deg 0 in 0 in 530 in6 14.1 in3 30.4 in3

Materials and Design Standards W8x31

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.

W8x28 Dimensions W8x35 Dimensions