Rectangular and square HSS

HSS4X3X3/8 HSS101.6X76.2X9.5

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 = 0.349tdes = 0.349
Cross-section, to scaledimensions in inches

Dimensions

Depthd
4in
Widthb
3in
Nominal thicknesstnom
0.375in
Design thicknesstdes
0.349in

Mass and area

Mass per lengthm
14.72lb/ft
Cross-sectional areaA
4.09in²

Strong axis x–x

Moment of inertiaIx
7.93in⁴
Elastic section modulusSx
3.97in³
Plastic section modulusZx
5.12in³
Radius of gyrationrx
1.39in

Weak axis y–y

Moment of inertiaIy
5.01in⁴
Elastic section modulusSy
3.34in³
Plastic section modulusZy
4.18in³
Radius of gyrationry
1.11in

Torsion and stability

Torsional constantJ
10.6in⁴
Torsional modulusC
6.59in³

Slenderness ratios

Wall slendernessb/t
5.6
Wall slendernessh/t
8.46

Equivalents in other standards