Rectangular and square HSS

HSS4X4X5/16 HSS101.6X101.6X7.9

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 = 4d = 4tdes = 0.291tdes = 0.291
Cross-section, to scaledimensions in inches

Dimensions

Depthd
4in
Widthb
4in
Nominal thicknesstnom
0.3125in
Design thicknesstdes
0.291in

Mass and area

Mass per lengthm
14.83lb/ft
Cross-sectional areaA
4.1in²

Strong axis x–x

Moment of inertiaIx
9.14in⁴
Elastic section modulusSx
4.57in³
Plastic section modulusZx
5.59in³
Radius of gyrationrx
1.49in

Weak axis y–y

Moment of inertiaIy
9.14in⁴
Elastic section modulusSy
4.57in³
Plastic section modulusZy
5.59in³
Radius of gyrationry
1.49in

Torsion and stability

Torsional constantJ
15.3in⁴
Torsional modulusC
7.91in³

Slenderness ratios

Wall slendernessb/t
10.7
Wall slendernessh/t
10.7

Equivalents in other standards