Rectangular and square HSS

HSS8X2X5/16 HSS203.2X50.8X7.9

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 = 2d = 8tdes = 0.291tdes = 0.291
Cross-section, to scaledimensions in inches

Dimensions

Depthd
8in
Widthb
2in
Nominal thicknesstnom
0.3125in
Design thicknesstdes
0.291in

Mass and area

Mass per lengthm
19.08lb/ft
Cross-sectional areaA
5.26in²

Strong axis x–x

Moment of inertiaIx
33.7in⁴
Elastic section modulusSx
8.43in³
Plastic section modulusZx
11.6in³
Radius of gyrationrx
2.53in

Weak axis y–y

Moment of inertiaIy
3.38in⁴
Elastic section modulusSy
3.38in³
Plastic section modulusZy
4.06in³
Radius of gyrationry
0.802in

Torsion and stability

Torsional constantJ
10.9in⁴
Torsional modulusC
7.57in³

Slenderness ratios

Wall slendernessb/t
3.87
Wall slendernessh/t
24.5

Equivalents in other standards