Rectangular and square HSS

HSS5X2X5/16 HSS127X50.8X7.9

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 = 5tdes = 0.291tdes = 0.291
Cross-section, to scaledimensions in inches

Dimensions

Depthd
5in
Widthb
2in
Nominal thicknesstnom
0.3125in
Design thicknesstdes
0.291in

Mass and area

Mass per lengthm
12.7lb/ft
Cross-sectional areaA
3.52in²

Strong axis x–x

Moment of inertiaIx
9.35in⁴
Elastic section modulusSx
3.74in³
Plastic section modulusZx
5.05in³
Radius of gyrationrx
1.63in

Weak axis y–y

Moment of inertiaIy
2.1in⁴
Elastic section modulusSy
2.1in³
Plastic section modulusZy
2.57in³
Radius of gyrationry
0.772in

Torsion and stability

Torsional constantJ
5.99in⁴
Torsional modulusC
4.59in³

Slenderness ratios

Wall slendernessb/t
3.87
Wall slendernessh/t
14.2

Equivalents in other standards