RT 3x1-1/4x1/8 Dimensions

The aluminum beam dimensions for the RT 3x1-1/4x1/8 section can be seen in the table. The depth of the section is 3 in. The width of the section is 1.25 in.

1.25 in 3 in 0.125 in 0.125 in
Dimension Value
Depth 3 in
Width 1.25 in
Thickness 0.125 in
Fillet Radius 0.125 in

RT 3x1-1/4x1/8 Section Properties

The RT 3x1-1/4x1/8 section has an area of 1in2. The below table outlines the RT 3x1-1/4x1/8 section properties including the torsion constant as well as moment of inertia and plastic modulus properties.

A J Iyp Izp Plastic Mod Yp Plastic Mod Xp
1 in2 0.65 in4 0.26 in4 1.08 in4 0.48 in3 0.92 in3

Materials and Design Standards RT 3x1-1/4x1/8

This section is typically designed using the design standard ADM 2015 and is manufactured using a cold formed process as it is a aluminum section.

RT 3x1-1/2x3/16 Dimensions RT 3x1-3/4x1/8 Dimensions