Round HSS

HSS4.000X0.250 HSS101.6X6.4

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 = 4tdes = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Outside diameterD
4in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
10lb/ft
Cross-sectional areaA
2.76in²

Strong axis x–x

Moment of inertiaIx
4.91in⁴
Elastic section modulusSx
2.45in³
Plastic section modulusZx
3.31in³
Radius of gyrationrx
1.33in

Weak axis y–y

Moment of inertiaIy
4.91in⁴
Elastic section modulusSy
2.45in³
Plastic section modulusZy
3.31in³
Radius of gyrationry
1.33in

Torsion and stability

Torsional constantJ
9.82in⁴
Torsional modulusC
4.91in³

Slenderness ratios

Wall slendernessD/t
17.2

Equivalents in other standards