Round HSS

HSS12.000X0.375 HSS304.8X9.5

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 = 12tdes = 0.349tdes = 0.349
Cross-section, to scaledimensions in inches

Dimensions

Outside diameterD
12in
Nominal thicknesstnom
0.375in
Design thicknesstdes
0.349in

Mass and area

Mass per lengthm
46.6lb/ft
Cross-sectional areaA
12.8in²

Strong axis x–x

Moment of inertiaIx
217in⁴
Elastic section modulusSx
36.1in³
Plastic section modulusZx
47.4in³
Radius of gyrationrx
4.12in

Weak axis y–y

Moment of inertiaIy
217in⁴
Elastic section modulusSy
36.1in³
Plastic section modulusZy
47.4in³
Radius of gyrationry
4.12in

Torsion and stability

Torsional constantJ
434in⁴
Torsional modulusC
72.2in³

Slenderness ratios

Wall slendernessD/t
34.4

Equivalents in other standards