Round HSS

HSS13.375X0.250 HSS340.36X6.4

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 = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Outside diameterD
13.4in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
35.08lb/ft
Cross-sectional areaA
9.6in²

Strong axis x–x

Moment of inertiaIx
207in⁴
Elastic section modulusSx
31in³
Plastic section modulusZx
40.2in³
Radius of gyrationrx
4.65in

Weak axis y–y

Moment of inertiaIy
207in⁴
Elastic section modulusSy
31in³
Plastic section modulusZy
40.2in³
Radius of gyrationry
4.65in

Torsion and stability

Torsional constantJ
415in⁴
Torsional modulusC
62in³

Slenderness ratios

Wall slendernessD/t
57.5

Equivalents in other standards