Round HSS

HSS 406x19

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 = 406.4t = 19.05t = 19.05
Cross-section, to scaledimensions in mm

Dimensions

Outside diameterD
406.4mm
Thicknesst
19.05mm

Mass and area

Mass per lengthm
182kg/m
Cross-sectional areaA
23,182mm²
Outside perimeterP
1,277mm

Strong axis x–x

Moment of inertiaIx
435.810⁶ mm⁴
Elastic section modulusSx
2,14510³ mm³
Plastic section modulusZx
2,86110³ mm³
Radius of gyrationrx
137.1mm

Weak axis y–y

Moment of inertiaIy
435.810⁶ mm⁴
Elastic section modulusSy
2,14510³ mm³
Plastic section modulusZy
2,86110³ mm³
Radius of gyrationry
137.1mm

Torsion and stability

Torsional constantJ
871,65510³ mm⁴

Equivalents in other standards