Rectangular and square HSS

HSS16X8X3/4 HSS406.4X203.2X19.0

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 = 8d = 16tdes = 0.698tdes = 0.698
Cross-section, to scaledimensions in inches

Dimensions

Depthd
16in
Widthb
8in
Nominal thicknesstnom
0.75in
Design thicknesstdes
0.698in

Mass and area

Mass per lengthm
109.9lb/ft
Cross-sectional areaA
30.3in²

Strong axis x–x

Moment of inertiaIx
939in⁴
Elastic section modulusSx
117in³
Plastic section modulusZx
150in³
Radius of gyrationrx
5.57in

Weak axis y–y

Moment of inertiaIy
314in⁴
Elastic section modulusSy
78.4in³
Plastic section modulusZy
91.9in³
Radius of gyrationry
3.22in

Torsion and stability

Torsional constantJ
790in⁴
Torsional modulusC
155in³

Slenderness ratios

Wall slendernessb/t
8.46
Wall slendernessh/t
19.9

Equivalents in other standards