W18x258 Dimensions

The steel beam dimensions for the W18x258 section can be seen in the table. The depth of the section is 21.5 in. The width of the section is 11.8 in.

Dimension Value
Depth 21.5 in
Top Width 11.8 in
Top Thickness 2.3 in
Bottom Width 11.8 in
Bottom Thickness 2.3 in
Web Thickness 1.28 in
Fillet Radius 0.4 in

W18x258 Section Properties

The W18x258 section has an area of 76in2. The below table outlines the W18x258 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
76 in2 103 in4 628 in4 5510 in4 0 deg 0 in 0 in 57600 in6 166 in3 611 in3

Materials and Design Standards W18x258

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.

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