Rectangular and square HSS

HSS16X12X5/8 HSS406.4X304.8X15.9

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 = 12d = 16tdes = 0.581tdes = 0.581
Cross-section, to scaledimensions in inches

Dimensions

Depthd
16in
Widthb
12in
Nominal thicknesstnom
0.625in
Design thicknesstdes
0.581in

Mass and area

Mass per lengthm
110.4lb/ft
Cross-sectional areaA
30.3in²

Strong axis x–x

Moment of inertiaIx
1,090in⁴
Elastic section modulusSx
136in³
Plastic section modulusZx
165in³
Radius of gyrationrx
6in

Weak axis y–y

Moment of inertiaIy
700in⁴
Elastic section modulusSy
117in³
Plastic section modulusZy
135in³
Radius of gyrationry
4.8in

Torsion and stability

Torsional constantJ
1,370in⁴
Torsional modulusC
204in³

Slenderness ratios

Wall slendernessb/t
17.7
Wall slendernessh/t
24.5

Equivalents in other standards