Round HSS

HSS7.000X0.375 HSS177.8X9.5

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 = 7tdes = 0.349tdes = 0.349
Cross-section, to scaledimensions in inches

Dimensions

Outside diameterD
7in
Nominal thicknesstnom
0.375in
Design thicknesstdes
0.349in

Mass and area

Mass per lengthm
26.56lb/ft
Cross-sectional areaA
7.29in²

Strong axis x–x

Moment of inertiaIx
40.4in⁴
Elastic section modulusSx
11.6in³
Plastic section modulusZx
15.5in³
Radius of gyrationrx
2.35in

Weak axis y–y

Moment of inertiaIy
40.4in⁴
Elastic section modulusSy
11.6in³
Plastic section modulusZy
15.5in³
Radius of gyrationry
2.35in

Torsion and stability

Torsional constantJ
80.9in⁴
Torsional modulusC
23.1in³

Slenderness ratios

Wall slendernessD/t
20.1

Equivalents in other standards