Rectangular and square HSS

HSS16X6X5/8 HSS406.4X152.4X15.9

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 = 6d = 16tdes = 0.581tdes = 0.581
Cross-section, to scaledimensions in inches

Dimensions

Depthd
16in
Widthb
6in
Nominal thicknesstnom
0.625in
Design thicknesstdes
0.581in

Mass and area

Mass per lengthm
84.84lb/ft
Cross-sectional areaA
23.3in²

Strong axis x–x

Moment of inertiaIx
677in⁴
Elastic section modulusSx
84.6in³
Plastic section modulusZx
111in³
Radius of gyrationrx
5.38in

Weak axis y–y

Moment of inertiaIy
141in⁴
Elastic section modulusSy
46.9in³
Plastic section modulusZy
54.7in³
Radius of gyrationry
2.46in

Torsion and stability

Torsional constantJ
398in⁴
Torsional modulusC
96.3in³

Slenderness ratios

Wall slendernessb/t
7.33
Wall slendernessh/t
24.5

Equivalents in other standards