Round HSS

HSS3.000X0.250 HSS76.2X6.4

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 = 3tdes = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Outside diameterD
3in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
7.35lb/ft
Cross-sectional areaA
2.03in²

Strong axis x–x

Moment of inertiaIx
1.95in⁴
Elastic section modulusSx
1.3in³
Plastic section modulusZx
1.79in³
Radius of gyrationrx
0.982in

Weak axis y–y

Moment of inertiaIy
1.95in⁴
Elastic section modulusSy
1.3in³
Plastic section modulusZy
1.79in³
Radius of gyrationry
0.982in

Torsion and stability

Torsional constantJ
3.9in⁴
Torsional modulusC
2.6in³

Slenderness ratios

Wall slendernessD/t
12.9

Equivalents in other standards