Rectangular and square HSS

HSS16X16X1/2 HSS406.4X406.4X12.7

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 = 0.465tdes = 0.465
Cross-section, to scaledimensions in inches

Dimensions

Depthd
16in
Widthb
16in
Nominal thicknesstnom
0.5in
Design thicknesstdes
0.465in

Mass and area

Mass per lengthm
103.3lb/ft
Cross-sectional areaA
28.3in²

Strong axis x–x

Moment of inertiaIx
1,130in⁴
Elastic section modulusSx
141in³
Plastic section modulusZx
164in³
Radius of gyrationrx
6.31in

Weak axis y–y

Moment of inertiaIy
1,130in⁴
Elastic section modulusSy
141in³
Plastic section modulusZy
164in³
Radius of gyrationry
6.31in

Torsion and stability

Torsional constantJ
1,770in⁴
Torsional modulusC
224in³

Slenderness ratios

Wall slendernessb/t
31.4
Wall slendernessh/t
31.4

Equivalents in other standards