I28a Dimensions

The steel beam dimensions for the I28a section can be seen in the table. The depth of the section is 280 mm. The width of the section is 122 mm.

122 mm 280 mm 13.7 mm 8.5 mm
Dimension Value
Depth 280 mm
Top Width 122 mm
Top Thickness 13.7 mm
Bottom Width 122 mm
Bottom Thickness 13.7 mm
Web Thickness 8.5 mm
Fillet Radius 10.5 mm

I28a Section Properties

The I28a section has an area of 5540.4mm2. The below table outlines the I28a 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
5540.4 mm2 263650.5 mm4 3450000 mm4 71100000 mm4 0 deg 73500000256 mm6 107146.7 mm3 592482.31 mm3

Materials and Design Standards I28a

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.

I27b Dimensions I28b Dimensions