Round HSS

HSS 168x7.1

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 = 7.11t = 7.11
Cross-section, to scaledimensions in mm

Dimensions

Outside diameterD
168.4mm
Thicknesst
7.11mm

Mass and area

Mass per lengthm
28.28kg/m
Cross-sectional areaA
3,603mm²
Outside perimeterP
529mm

Strong axis x–x

Moment of inertiaIx
11.7410⁶ mm⁴
Elastic section modulusSx
139.410³ mm³
Plastic section modulusZx
185.110³ mm³
Radius of gyrationrx
57.08mm

Weak axis y–y

Moment of inertiaIy
11.7410⁶ mm⁴
Elastic section modulusSy
139.410³ mm³
Plastic section modulusZy
185.110³ mm³
Radius of gyrationry
57.08mm

Torsion and stability

Torsional constantJ
23,47610³ mm⁴

Equivalents in other standards