Rectangular and square HSS

HSS16X6X5/16 HSS406.4X152.4X7.9

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 = 0.291tdes = 0.291
Cross-section, to scaledimensions in inches

Dimensions

Depthd
16in
Widthb
6in
Nominal thicknesstnom
0.3125in
Design thicknesstdes
0.291in

Mass and area

Mass per lengthm
44.6lb/ft
Cross-sectional areaA
12.2in²

Strong axis x–x

Moment of inertiaIx
379in⁴
Elastic section modulusSx
47.4in³
Plastic section modulusZx
60.3in³
Radius of gyrationrx
5.57in

Weak axis y–y

Moment of inertiaIy
81.8in⁴
Elastic section modulusSy
27.3in³
Plastic section modulusZy
30.2in³
Radius of gyrationry
2.58in

Torsion and stability

Torsional constantJ
222in⁴
Torsional modulusC
52.1in³

Slenderness ratios

Wall slendernessb/t
17.6
Wall slendernessh/t
52

Equivalents in other standards