Round HSS

HSS6.875X0.188 HSS174.6X4.8

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 = 0.174tdes = 0.174
Cross-section, to scaledimensions in inches

Dimensions

Outside diameterD
6.88in
Nominal thicknesstnom
0.188in
Design thicknesstdes
0.174in

Mass and area

Mass per lengthm
13.44lb/ft
Cross-sectional areaA
3.66in²

Strong axis x–x

Moment of inertiaIx
20.6in⁴
Elastic section modulusSx
5.99in³
Plastic section modulusZx
7.81in³
Radius of gyrationrx
2.37in

Weak axis y–y

Moment of inertiaIy
20.6in⁴
Elastic section modulusSy
5.99in³
Plastic section modulusZy
7.81in³
Radius of gyrationry
2.37in

Torsion and stability

Torsional constantJ
41.1in⁴
Torsional modulusC
12in³

Slenderness ratios

Wall slendernessD/t
39.5

Equivalents in other standards