Round HSS

HSS 168x4.8

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 = 168.4t = 4.78t = 4.78
Cross-section, to scaledimensions in mm

Dimensions

Outside diameterD
168.4mm
Thicknesst
4.78mm

Mass and area

Mass per lengthm
19.29kg/m
Cross-sectional areaA
2,457mm²
Outside perimeterP
529mm

Strong axis x–x

Moment of inertiaIx
8.22910⁶ mm⁴
Elastic section modulusSx
97.7410³ mm³
Plastic section modulusZx
12810³ mm³
Radius of gyrationrx
57.87mm

Weak axis y–y

Moment of inertiaIy
8.22910⁶ mm⁴
Elastic section modulusSy
97.7410³ mm³
Plastic section modulusZy
12810³ mm³
Radius of gyrationry
57.87mm

Torsion and stability

Torsional constantJ
16,45910³ mm⁴

Equivalents in other standards