Round HSS

HSS 168x8.0

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 = 168.4t = 7.92t = 7.92
Cross-section, to scaledimensions in mm

Dimensions

Outside diameterD
168.4mm
Thicknesst
7.92mm

Mass and area

Mass per lengthm
31.34kg/m
Cross-sectional areaA
3,993mm²
Outside perimeterP
529mm

Strong axis x–x

Moment of inertiaIx
12.8910⁶ mm⁴
Elastic section modulusSx
15310³ mm³
Plastic section modulusZx
204.110³ mm³
Radius of gyrationrx
56.81mm

Weak axis y–y

Moment of inertiaIy
12.8910⁶ mm⁴
Elastic section modulusSy
15310³ mm³
Plastic section modulusZy
204.110³ mm³
Radius of gyrationry
56.81mm

Torsion and stability

Torsional constantJ
25,77110³ mm⁴

Equivalents in other standards