Rectangular and square HSS

HSS16X4X1/4 HSS406.4X101.6X6.4

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 = 16tdes = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Depthd
16in
Widthb
4in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
32.63lb/ft
Cross-sectional areaA
8.96in²

Strong axis x–x

Moment of inertiaIx
253in⁴
Elastic section modulusSx
31.6in³
Plastic section modulusZx
41.7in³
Radius of gyrationrx
5.31in

Weak axis y–y

Moment of inertiaIy
27.7in⁴
Elastic section modulusSy
13.8in³
Plastic section modulusZy
15.2in³
Radius of gyrationry
1.76in

Torsion and stability

Torsional constantJ
85.2in⁴
Torsional modulusC
27.6in³

Slenderness ratios

Wall slendernessb/t
14.2
Wall slendernessh/t
65.7

Equivalents in other standards