Rectangular and square HSS

HSS8X8X1/4 HSS203.2X203.2X6.4

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 = 8d = 8tdes = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Depthd
8in
Widthb
8in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
25.82lb/ft
Cross-sectional areaA
7.1in²

Strong axis x–x

Moment of inertiaIx
70.7in⁴
Elastic section modulusSx
17.7in³
Plastic section modulusZx
20.5in³
Radius of gyrationrx
3.15in

Weak axis y–y

Moment of inertiaIy
70.7in⁴
Elastic section modulusSy
17.7in³
Plastic section modulusZy
20.5in³
Radius of gyrationry
3.15in

Torsion and stability

Torsional constantJ
111in⁴
Torsional modulusC
28.1in³

Slenderness ratios

Wall slendernessb/t
31.3
Wall slendernessh/t
31.3

Equivalents in other standards