Round HSS

HSS 219x9.5

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 = 219.2t = 9.52t = 9.52
Cross-section, to scaledimensions in mm

Dimensions

Outside diameterD
219.2mm
Thicknesst
9.52mm

Mass and area

Mass per lengthm
49.23kg/m
Cross-sectional areaA
6,271mm²
Outside perimeterP
688.6mm

Strong axis x–x

Moment of inertiaIx
34.5410⁶ mm⁴
Elastic section modulusSx
315.110³ mm³
Plastic section modulusZx
418.810³ mm³
Radius of gyrationrx
74.21mm

Weak axis y–y

Moment of inertiaIy
34.5410⁶ mm⁴
Elastic section modulusSy
315.110³ mm³
Plastic section modulusZy
418.810³ mm³
Radius of gyrationry
74.21mm

Torsion and stability

Torsional constantJ
69,07010³ mm⁴

Equivalents in other standards