Rectangular and square HSS

HSS12X4X1/2 HSS304.8X101.6X12.7

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 = 4d = 12tdes = 0.465tdes = 0.465
Cross-section, to scaledimensions in inches

Dimensions

Depthd
12in
Widthb
4in
Nominal thicknesstnom
0.5in
Design thicknesstdes
0.465in

Mass and area

Mass per lengthm
48.85lb/ft
Cross-sectional areaA
13.5in²

Strong axis x–x

Moment of inertiaIx
210in⁴
Elastic section modulusSx
34.9in³
Plastic section modulusZx
46.7in³
Radius of gyrationrx
3.95in

Weak axis y–y

Moment of inertiaIy
35.3in⁴
Elastic section modulusSy
17.7in³
Plastic section modulusZy
20.9in³
Radius of gyrationry
1.62in

Torsion and stability

Torsional constantJ
105in⁴
Torsional modulusC
37.5in³

Slenderness ratios

Wall slendernessb/t
5.6
Wall slendernessh/t
22.8

Equivalents in other standards