Round HSS

HSS6.875X0.375 HSS174.6X9.5

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 = 6.88tdes = 0.349tdes = 0.349
Cross-section, to scaledimensions in inches

Dimensions

Outside diameterD
6.88in
Nominal thicknesstnom
0.375in
Design thicknesstdes
0.349in

Mass and area

Mass per lengthm
26.06lb/ft
Cross-sectional areaA
7.16in²

Strong axis x–x

Moment of inertiaIx
38.2in⁴
Elastic section modulusSx
11.1in³
Plastic section modulusZx
14.9in³
Radius of gyrationrx
2.31in

Weak axis y–y

Moment of inertiaIy
38.2in⁴
Elastic section modulusSy
11.1in³
Plastic section modulusZy
14.9in³
Radius of gyrationry
2.31in

Torsion and stability

Torsional constantJ
76.4in⁴
Torsional modulusC
22.2in³

Slenderness ratios

Wall slendernessD/t
19.7

Equivalents in other standards