Round HSS

HSS28.000X0.875 HSS711.2X22.2

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 = 0.814tdes = 0.814
Cross-section, to scaledimensions in inches

Dimensions

Outside diameterD
28in
Nominal thicknesstnom
0.875in
Design thicknesstdes
0.814in

Mass and area

Mass per lengthm
253.7lb/ft
Cross-sectional areaA
69.5in²

Strong axis x–x

Moment of inertiaIx
6,430in⁴
Elastic section modulusSx
459in³
Plastic section modulusZx
602in³
Radius of gyrationrx
9.62in

Weak axis y–y

Moment of inertiaIy
6,430in⁴
Elastic section modulusSy
459in³
Plastic section modulusZy
602in³
Radius of gyrationry
9.62in

Torsion and stability

Torsional constantJ
12,900in⁴
Torsional modulusC
917in³

Slenderness ratios

Wall slendernessD/t
34.4

Equivalents in other standards