Round HSS

HSS 168x3.2

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 = 3.17t = 3.17
Cross-section, to scaledimensions in mm

Dimensions

Outside diameterD
168.4mm
Thicknesst
3.17mm

Mass and area

Mass per lengthm
12.92kg/m
Cross-sectional areaA
1,646mm²
Outside perimeterP
529mm

Strong axis x–x

Moment of inertiaIx
5.61810⁶ mm⁴
Elastic section modulusSx
66.7210³ mm³
Plastic section modulusZx
86.5510³ mm³
Radius of gyrationrx
58.43mm

Weak axis y–y

Moment of inertiaIy
5.61810⁶ mm⁴
Elastic section modulusSy
66.7210³ mm³
Plastic section modulusZy
86.5510³ mm³
Radius of gyrationry
58.43mm

Torsion and stability

Torsional constantJ
11,23510³ mm⁴

Equivalents in other standards