Round HSS

HSS6.625X0.125 HSS168.3X3.2

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 = 6.63tdes = 0.116tdes = 0.116
Cross-section, to scaledimensions in inches

Dimensions

Outside diameterD
6.63in
Nominal thicknesstnom
0.125in
Design thicknesstdes
0.116in

Mass and area

Mass per lengthm
8.69lb/ft
Cross-sectional areaA
2.37in²

Strong axis x–x

Moment of inertiaIx
12.6in⁴
Elastic section modulusSx
3.79in³
Plastic section modulusZx
4.92in³
Radius of gyrationrx
2.3in

Weak axis y–y

Moment of inertiaIy
12.6in⁴
Elastic section modulusSy
3.79in³
Plastic section modulusZy
4.92in³
Radius of gyrationry
2.3in

Torsion and stability

Torsional constantJ
25.1in⁴
Torsional modulusC
7.59in³

Slenderness ratios

Wall slendernessD/t
57.1

Equivalents in other standards