Round HSS

HSS 508x8.0

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 = 508t = 7.95t = 7.95
Cross-section, to scaledimensions in mm

Dimensions

Outside diameterD
508mm
Thicknesst
7.95mm

Mass and area

Mass per lengthm
98.04kg/m
Cross-sectional areaA
12,489mm²
Outside perimeterP
1,596mm

Strong axis x–x

Moment of inertiaIx
390.510⁶ mm⁴
Elastic section modulusSx
1,53710³ mm³
Plastic section modulusZx
1,98810³ mm³
Radius of gyrationrx
176.8mm

Weak axis y–y

Moment of inertiaIy
390.510⁶ mm⁴
Elastic section modulusSy
1,53710³ mm³
Plastic section modulusZy
1,98810³ mm³
Radius of gyrationry
176.8mm

Torsion and stability

Torsional constantJ
780,92110³ mm⁴

Equivalents in other standards