Round HSS

HSS 102x8.0

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 = 101.6t = 7.95t = 7.95
Cross-section, to scaledimensions in mm

Dimensions

Outside diameterD
101.6mm
Thicknesst
7.95mm

Mass and area

Mass per lengthm
18.36kg/m
Cross-sectional areaA
2,339mm²
Outside perimeterP
319.2mm

Strong axis x–x

Moment of inertiaIx
2.58310⁶ mm⁴
Elastic section modulusSx
50.8410³ mm³
Plastic section modulusZx
69.8910³ mm³
Radius of gyrationrx
33.23mm

Weak axis y–y

Moment of inertiaIy
2.58310⁶ mm⁴
Elastic section modulusSy
50.8410³ mm³
Plastic section modulusZy
69.8910³ mm³
Radius of gyrationry
33.23mm

Torsion and stability

Torsional constantJ
5,16510³ mm⁴

Equivalents in other standards