Rectangular and square HSS

HSS16X6X1/4 HSS406.4X152.4X6.4

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 = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Depthd
16in
Widthb
6in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
36.03lb/ft
Cross-sectional areaA
9.9in²

Strong axis x–x

Moment of inertiaIx
311in⁴
Elastic section modulusSx
38.8in³
Plastic section modulusZx
49in³
Radius of gyrationrx
5.6in

Weak axis y–y

Moment of inertiaIy
67.4in⁴
Elastic section modulusSy
22.5in³
Plastic section modulusZy
24.7in³
Radius of gyrationry
2.61in

Torsion and stability

Torsional constantJ
181in⁴
Torsional modulusC
42.3in³

Slenderness ratios

Wall slendernessb/t
22.8
Wall slendernessh/t
65.7

Equivalents in other standards