Rectangular and square HSS

HSS8X8X3/8 HSS203.2X203.2X9.5

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 = 0.349tdes = 0.349
Cross-section, to scaledimensions in inches

Dimensions

Depthd
8in
Widthb
8in
Nominal thicknesstnom
0.375in
Design thicknesstdes
0.349in

Mass and area

Mass per lengthm
37.69lb/ft
Cross-sectional areaA
10.4in²

Strong axis x–x

Moment of inertiaIx
100in⁴
Elastic section modulusSx
24.9in³
Plastic section modulusZx
29.4in³
Radius of gyrationrx
3.1in

Weak axis y–y

Moment of inertiaIy
100in⁴
Elastic section modulusSy
24.9in³
Plastic section modulusZy
29.4in³
Radius of gyrationry
3.1in

Torsion and stability

Torsional constantJ
160in⁴
Torsional modulusC
40.7in³

Slenderness ratios

Wall slendernessb/t
19.9
Wall slendernessh/t
19.9

Equivalents in other standards