Round HSS

HSS26.000X0.750 HSS660.4X19.0

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 = 26tdes = 0.698tdes = 0.698
Cross-section, to scaledimensions in inches

Dimensions

Outside diameterD
26in
Nominal thicknesstnom
0.75in
Design thicknesstdes
0.698in

Mass and area

Mass per lengthm
202.4lb/ft
Cross-sectional areaA
55.4in²

Strong axis x–x

Moment of inertiaIx
4,440in⁴
Elastic section modulusSx
342in³
Plastic section modulusZx
447in³
Radius of gyrationrx
8.95in

Weak axis y–y

Moment of inertiaIy
4,440in⁴
Elastic section modulusSy
342in³
Plastic section modulusZy
447in³
Radius of gyrationry
8.95in

Torsion and stability

Torsional constantJ
8,880in⁴
Torsional modulusC
682in³

Slenderness ratios

Wall slendernessD/t
37.3

Equivalents in other standards