I55a Dimensions

The steel beam dimensions for the I55a section can be seen in the table. The depth of the section is 550 mm. The width of the section is 166 mm.

166 mm 550 mm 21 mm 12.5 mm
Dimension Value
Depth 550 mm
Top Width 166 mm
Top Thickness 21 mm
Bottom Width 166 mm
Bottom Thickness 21 mm
Web Thickness 12.5 mm
Fillet Radius 14.5 mm

I55a Section Properties

The I55a section has an area of 13418.5mm2. The below table outlines the I55a section properties including the torsion constant as well as moment of inertia and plastic modulus properties.

A J Iyp Izp Alpha Iw Plastic Mod Yp Plastic Mod Xp
13418.5 mm2 1369285 mm4 13700000 mm4 629000000 mm4 0 deg 1120000016384 mm6 310906.5 mm3 2696065 mm3

Materials and Design Standards I55a

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.

I50c Dimensions I55b Dimensions