Rectangular and square HSS

HSS4X3X5/16 HSS101.6X76.2X7.9

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 = 3d = 4tdes = 0.291tdes = 0.291
Cross-section, to scaledimensions in inches

Dimensions

Depthd
4in
Widthb
3in
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
7.14in⁴
Elastic section modulusSx
3.57in³
Plastic section modulusZx
4.51in³
Radius of gyrationrx
1.42in

Weak axis y–y

Moment of inertiaIy
4.52in⁴
Elastic section modulusSy
3.02in³
Plastic section modulusZy
3.69in³
Radius of gyrationry
1.13in

Torsion and stability

Torsional constantJ
9.41in⁴
Torsional modulusC
5.75in³

Slenderness ratios

Wall slendernessb/t
7.31
Wall slendernessh/t
10.7

Equivalents in other standards