Round HSS

HSS 406x16

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 = 15.88t = 15.88
Cross-section, to scaledimensions in mm

Dimensions

Outside diameterD
406.4mm
Thicknesst
15.88mm

Mass and area

Mass per lengthm
152.9kg/m
Cross-sectional areaA
19,483mm²
Outside perimeterP
1,277mm

Strong axis x–x

Moment of inertiaIx
37210⁶ mm⁴
Elastic section modulusSx
1,83110³ mm³
Plastic section modulusZx
2,42310³ mm³
Radius of gyrationrx
138.2mm

Weak axis y–y

Moment of inertiaIy
37210⁶ mm⁴
Elastic section modulusSy
1,83110³ mm³
Plastic section modulusZy
2,42310³ mm³
Radius of gyrationry
138.2mm

Torsion and stability

Torsional constantJ
744,02510³ mm⁴

Equivalents in other standards