Rectangular and square HSS

HSS8X3X1/2 HSS203.2X76.2X12.7

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 = 3d = 8tdes = 0.465tdes = 0.465
Cross-section, to scaledimensions in inches

Dimensions

Depthd
8in
Widthb
3in
Nominal thicknesstnom
0.5in
Design thicknesstdes
0.465in

Mass and area

Mass per lengthm
31.84lb/ft
Cross-sectional areaA
8.81in²

Strong axis x–x

Moment of inertiaIx
58.6in⁴
Elastic section modulusSx
14.6in³
Plastic section modulusZx
20in³
Radius of gyrationrx
2.58in

Weak axis y–y

Moment of inertiaIy
11.7in⁴
Elastic section modulusSy
7.81in³
Plastic section modulusZy
9.64in³
Radius of gyrationry
1.15in

Torsion and stability

Torsional constantJ
34.3in⁴
Torsional modulusC
17.4in³

Slenderness ratios

Wall slendernessb/t
3.45
Wall slendernessh/t
14.2

Equivalents in other standards