Round HSS

HSS 178x3.2

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 = 177.8t = 3.17t = 3.17
Cross-section, to scaledimensions in mm

Dimensions

Outside diameterD
177.8mm
Thicknesst
3.17mm

Mass and area

Mass per lengthm
13.65kg/m
Cross-sectional areaA
1,739mm²
Outside perimeterP
558.6mm

Strong axis x–x

Moment of inertiaIx
6.63210⁶ mm⁴
Elastic section modulusSx
74.610³ mm³
Plastic section modulusZx
96.6810³ mm³
Radius of gyrationrx
61.75mm

Weak axis y–y

Moment of inertiaIy
6.63210⁶ mm⁴
Elastic section modulusSy
74.610³ mm³
Plastic section modulusZy
96.6810³ mm³
Radius of gyrationry
61.75mm

Torsion and stability

Torsional constantJ
13,26310³ mm⁴

Equivalents in other standards