Round HSS

HSS 219x13

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 = 12.7t = 12.7
Cross-section, to scaledimensions in mm

Dimensions

Outside diameterD
219.2mm
Thicknesst
12.7mm

Mass and area

Mass per lengthm
64.68kg/m
Cross-sectional areaA
8,239mm²
Outside perimeterP
688.6mm

Strong axis x–x

Moment of inertiaIx
44.0810⁶ mm⁴
Elastic section modulusSx
402.210³ mm³
Plastic section modulusZx
542.210³ mm³
Radius of gyrationrx
73.15mm

Weak axis y–y

Moment of inertiaIy
44.0810⁶ mm⁴
Elastic section modulusSy
402.210³ mm³
Plastic section modulusZy
542.210³ mm³
Radius of gyrationry
73.15mm

Torsion and stability

Torsional constantJ
88,16410³ mm⁴

Equivalents in other standards