Round HSS

HSS4.000X0.313 HSS101.6X8

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 = 0.291tdes = 0.291
Cross-section, to scaledimensions in inches

Dimensions

Outside diameterD
4in
Nominal thicknesstnom
0.313in
Design thicknesstdes
0.291in

Mass and area

Mass per lengthm
12.34lb/ft
Cross-sectional areaA
3.39in²

Strong axis x–x

Moment of inertiaIx
5.87in⁴
Elastic section modulusSx
2.93in³
Plastic section modulusZx
4.01in³
Radius of gyrationrx
1.32in

Weak axis y–y

Moment of inertiaIy
5.87in⁴
Elastic section modulusSy
2.93in³
Plastic section modulusZy
4.01in³
Radius of gyrationry
1.32in

Torsion and stability

Torsional constantJ
11.7in⁴
Torsional modulusC
5.87in³

Slenderness ratios

Wall slendernessD/t
13.7

Equivalents in other standards