Round HSS

HSS13.375X0.313 HSS340.36X7.9

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 = 13.4tdes = 0.291tdes = 0.291
Cross-section, to scaledimensions in inches

Dimensions

Outside diameterD
13.4in
Nominal thicknesstnom
0.313in
Design thicknesstdes
0.291in

Mass and area

Mass per lengthm
43.64lb/ft
Cross-sectional areaA
11.9in²

Strong axis x–x

Moment of inertiaIx
256in⁴
Elastic section modulusSx
38.2in³
Plastic section modulusZx
49.8in³
Radius of gyrationrx
4.63in

Weak axis y–y

Moment of inertiaIy
256in⁴
Elastic section modulusSy
38.2in³
Plastic section modulusZy
49.8in³
Radius of gyrationry
4.63in

Torsion and stability

Torsional constantJ
512in⁴
Torsional modulusC
76.4in³

Slenderness ratios

Wall slendernessD/t
46

Equivalents in other standards