Rectangular and square HSS

HSS5-1/2X5-1/2X1/8 HSS139.7X139.7X3.2

Standard: AISC Shapes Database v16.0Source: AISC (aisc.org) — Shapes Database v16.0 (Excel file)
Values published by AISC, in US customary (original) and SI units.
xyb = 5.5d = 5.5tdes = 0.116tdes = 0.116
Cross-section, to scaledimensions in inches

Dimensions

Depthd
5.5in
Widthb
5.5in
Nominal thicknesstnom
0.125in
Design thicknesstdes
0.116in

Mass and area

Mass per lengthm
9.01lb/ft
Cross-sectional areaA
2.46in²

Strong axis x–x

Moment of inertiaIx
11.8in⁴
Elastic section modulusSx
4.3in³
Plastic section modulusZx
4.95in³
Radius of gyrationrx
2.19in

Weak axis y–y

Moment of inertiaIy
11.8in⁴
Elastic section modulusSy
4.3in³
Plastic section modulusZy
4.95in³
Radius of gyrationry
2.19in

Torsion and stability

Torsional constantJ
18.3in⁴
Torsional modulusC
6.72in³

Slenderness ratios

Wall slendernessb/t
44.4
Wall slendernessh/t
44.4

Equivalents in other standards