Rectangular and square HSS

HSS24X20X3/4 HSS609.6X508X19.0

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 = 20d = 24tdes = 0.698tdes = 0.698
Cross-section, to scaledimensions in inches

Dimensions

Depthd
24in
Widthb
20in
Nominal thicknesstnom
0.75in
Design thicknesstdes
0.698in

Mass and area

Mass per lengthm
212lb/ft
Cross-sectional areaA
58.2in²

Strong axis x–x

Moment of inertiaIx
4,960in⁴
Elastic section modulusSx
413in³
Plastic section modulusZx
489in³
Radius of gyrationrx
9.23in

Weak axis y–y

Moment of inertiaIy
3,750in⁴
Elastic section modulusSy
375in³
Plastic section modulusZy
432in³
Radius of gyrationry
8.02in

Torsion and stability

Torsional constantJ
6,740in⁴
Torsional modulusC
627in³

Slenderness ratios

Wall slendernessb/t
25.7
Wall slendernessh/t
31.4

Equivalents in other standards