Rectangular and square HSS

HSS16X12X3/4 HSS406.4X304.8X19.0

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 = 12d = 16tdes = 0.698tdes = 0.698
Cross-section, to scaledimensions in inches

Dimensions

Depthd
16in
Widthb
12in
Nominal thicknesstnom
0.75in
Design thicknesstdes
0.698in

Mass and area

Mass per lengthm
130.3lb/ft
Cross-sectional areaA
35.9in²

Strong axis x–x

Moment of inertiaIx
1,270in⁴
Elastic section modulusSx
159in³
Plastic section modulusZx
193in³
Radius of gyrationrx
5.95in

Weak axis y–y

Moment of inertiaIy
810in⁴
Elastic section modulusSy
135in³
Plastic section modulusZy
158in³
Radius of gyrationry
4.75in

Torsion and stability

Torsional constantJ
1,610in⁴
Torsional modulusC
240in³

Slenderness ratios

Wall slendernessb/t
14.2
Wall slendernessh/t
19.9

Equivalents in other standards