Round HSS

HSS 73x3.2

Standard: CSA G40.20/G40.21Source: Calculated (exact engine)
Calculated: design thickness = nominal thickness (CSA G40.20, Class C), outside radius 2t. Range derived from ASTM A500 sizes — cross-check with the CISC tables.
xyD = 73.2t = 3.17t = 3.17
Cross-section, to scaledimensions in mm

Dimensions

Outside diameterD
73.2mm
Thicknesst
3.17mm

Mass and area

Mass per lengthm
5.475kg/m
Cross-sectional areaA
697.4mm²
Outside perimeterP
230mm

Strong axis x–x

Moment of inertiaIx
0.428410⁶ mm⁴
Elastic section modulusSx
11.7110³ mm³
Plastic section modulusZx
15.5610³ mm³
Radius of gyrationrx
24.78mm

Weak axis y–y

Moment of inertiaIy
0.428410⁶ mm⁴
Elastic section modulusSy
11.7110³ mm³
Plastic section modulusZy
15.5610³ mm³
Radius of gyrationry
24.78mm

Torsion and stability

Torsional constantJ
856.810³ mm⁴

Equivalents in other standards