Rectangular and square HSS

HSS16X12X1/2 HSS406.4X304.8X12.7

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 = 12d = 16tdes = 0.465tdes = 0.465
Cross-section, to scaledimensions in inches

Dimensions

Depthd
16in
Widthb
12in
Nominal thicknesstnom
0.5in
Design thicknesstdes
0.465in

Mass and area

Mass per lengthm
89.68lb/ft
Cross-sectional areaA
24.6in²

Strong axis x–x

Moment of inertiaIx
904in⁴
Elastic section modulusSx
113in³
Plastic section modulusZx
135in³
Radius of gyrationrx
6.06in

Weak axis y–y

Moment of inertiaIy
581in⁴
Elastic section modulusSy
96.8in³
Plastic section modulusZy
111in³
Radius of gyrationry
4.86in

Torsion and stability

Torsional constantJ
1,120in⁴
Torsional modulusC
166in³

Slenderness ratios

Wall slendernessb/t
22.8
Wall slendernessh/t
31.4

Equivalents in other standards