Rectangular and square HSS

HSS12X3X3/16 HSS304.8X76.2X4.8

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 = 3d = 12tdes = 0.174tdes = 0.174
Cross-section, to scaledimensions in inches

Dimensions

Depthd
12in
Widthb
3in
Nominal thicknesstnom
0.1875in
Design thicknesstdes
0.174in

Mass and area

Mass per lengthm
18.35lb/ft
Cross-sectional areaA
5.02in²

Strong axis x–x

Moment of inertiaIx
79.6in⁴
Elastic section modulusSx
13.3in³
Plastic section modulusZx
17.5in³
Radius of gyrationrx
3.98in

Weak axis y–y

Moment of inertiaIy
8.72in⁴
Elastic section modulusSy
5.81in³
Plastic section modulusZy
6.4in³
Radius of gyrationry
1.32in

Torsion and stability

Torsional constantJ
26.8in⁴
Torsional modulusC
11.6in³

Slenderness ratios

Wall slendernessb/t
14.2
Wall slendernessh/t
66

Equivalents in other standards