Rectangular and square HSS

HSS16X16X3/4 HSS406.4X406.4X19.0

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 = 16d = 16tdes = 0.698tdes = 0.698
Cross-section, to scaledimensions in inches

Dimensions

Depthd
16in
Widthb
16in
Nominal thicknesstnom
0.75in
Design thicknesstdes
0.698in

Mass and area

Mass per lengthm
150.8lb/ft
Cross-sectional areaA
41.5in²

Strong axis x–x

Moment of inertiaIx
1,590in⁴
Elastic section modulusSx
199in³
Plastic section modulusZx
235in³
Radius of gyrationrx
6.19in

Weak axis y–y

Moment of inertiaIy
1,590in⁴
Elastic section modulusSy
199in³
Plastic section modulusZy
235in³
Radius of gyrationry
6.19in

Torsion and stability

Torsional constantJ
2,560in⁴
Torsional modulusC
326in³

Slenderness ratios

Wall slendernessb/t
19.9
Wall slendernessh/t
19.9

Equivalents in other standards