Rectangular and square HSS

HSS16X10X5/16 HSS406.4X254X7.9

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 = 10d = 16tdes = 0.291tdes = 0.291
Cross-section, to scaledimensions in inches

Dimensions

Depthd
16in
Widthb
10in
Nominal thicknesstnom
0.3125in
Design thicknesstdes
0.291in

Mass and area

Mass per lengthm
53.11lb/ft
Cross-sectional areaA
14.6in²

Strong axis x–x

Moment of inertiaIx
523in⁴
Elastic section modulusSx
65.4in³
Plastic section modulusZx
78.6in³
Radius of gyrationrx
5.99in

Weak axis y–y

Moment of inertiaIy
255in⁴
Elastic section modulusSy
50.9in³
Plastic section modulusZy
57in³
Radius of gyrationry
4.18in

Torsion and stability

Torsional constantJ
539in⁴
Torsional modulusC
88.7in³

Slenderness ratios

Wall slendernessb/t
31.4
Wall slendernessh/t
52

Equivalents in other standards