Round HSS

HSS12.000X0.250 HSS304.8X6.4

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 = 12tdes = 0.233tdes = 0.233
Cross-section, to scaledimensions in inches

Dimensions

Outside diameterD
12in
Nominal thicknesstnom
0.25in
Design thicknesstdes
0.233in

Mass and area

Mass per lengthm
31.4lb/ft
Cross-sectional areaA
8.6in²

Strong axis x–x

Moment of inertiaIx
149in⁴
Elastic section modulusSx
24.8in³
Plastic section modulusZx
32.2in³
Radius of gyrationrx
4.16in

Weak axis y–y

Moment of inertiaIy
149in⁴
Elastic section modulusSy
24.8in³
Plastic section modulusZy
32.2in³
Radius of gyrationry
4.16in

Torsion and stability

Torsional constantJ
298in⁴
Torsional modulusC
49.6in³

Slenderness ratios

Wall slendernessD/t
51.6

Equivalents in other standards