Round HSS

HSS28.000X0.750 HSS711.2X19.0

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.
xyD = 28tdes = 0.698tdes = 0.698
Cross-section, to scaledimensions in inches

Dimensions

Outside diameterD
28in
Nominal thicknesstnom
0.75in
Design thicknesstdes
0.698in

Mass and area

Mass per lengthm
218.5lb/ft
Cross-sectional areaA
59.8in²

Strong axis x–x

Moment of inertiaIx
5,580in⁴
Elastic section modulusSx
398in³
Plastic section modulusZx
520in³
Radius of gyrationrx
9.66in

Weak axis y–y

Moment of inertiaIy
5,580in⁴
Elastic section modulusSy
398in³
Plastic section modulusZy
520in³
Radius of gyrationry
9.66in

Torsion and stability

Torsional constantJ
11,200in⁴
Torsional modulusC
796in³

Slenderness ratios

Wall slendernessD/t
40.1

Equivalents in other standards