Rectangular and square HSS

HSS4X4X3/8 HSS101.6X101.6X9.5

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 = 4d = 4tdes = 0.349tdes = 0.349
Cross-section, to scaledimensions in inches

Dimensions

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

Mass and area

Mass per lengthm
17.27lb/ft
Cross-sectional areaA
4.78in²

Strong axis x–x

Moment of inertiaIx
10.3in⁴
Elastic section modulusSx
5.13in³
Plastic section modulusZx
6.39in³
Radius of gyrationrx
1.47in

Weak axis y–y

Moment of inertiaIy
10.3in⁴
Elastic section modulusSy
5.13in³
Plastic section modulusZy
6.39in³
Radius of gyrationry
1.47in

Torsion and stability

Torsional constantJ
17.5in⁴
Torsional modulusC
9.14in³

Slenderness ratios

Wall slendernessb/t
8.46
Wall slendernessh/t
8.46

Equivalents in other standards