Rectangular and square HSS

HSS8X6X5/16 HSS203.2X152.4X7.9

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 = 6d = 8tdes = 0.291tdes = 0.291
Cross-section, to scaledimensions in inches

Dimensions

Depthd
8in
Widthb
6in
Nominal thicknesstnom
0.3125in
Design thicknesstdes
0.291in

Mass and area

Mass per lengthm
27.59lb/ft
Cross-sectional areaA
7.59in²

Strong axis x–x

Moment of inertiaIx
68.3in⁴
Elastic section modulusSx
17.1in³
Plastic section modulusZx
20.6in³
Radius of gyrationrx
3in

Weak axis y–y

Moment of inertiaIy
43.8in⁴
Elastic section modulusSy
14.6in³
Plastic section modulusZy
16.9in³
Radius of gyrationry
2.4in

Torsion and stability

Torsional constantJ
85.8in⁴
Torsional modulusC
25.5in³

Slenderness ratios

Wall slendernessb/t
17.6
Wall slendernessh/t
24.5

Equivalents in other standards