Round HSS
HSS 660x9.5
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.
Dimensions
- Outside diameterD
- 660.4mm
- Thicknesst
- 9.52mm
Mass and area
- Mass per lengthm
- 152.8kg/m
- Cross-sectional areaA
- 19,467mm²
- Outside perimeterP
- 2,075mm
Strong axis x–x
- Moment of inertiaIx
- 1,03110⁶ mm⁴
- Elastic section modulusSx
- 3,12310³ mm³
- Plastic section modulusZx
- 4,03310³ mm³
- Radius of gyrationrx
- 230.1mm
Weak axis y–y
- Moment of inertiaIy
- 1,03110⁶ mm⁴
- Elastic section modulusSy
- 3,12310³ mm³
- Plastic section modulusZy
- 4,03310³ mm³
- Radius of gyrationry
- 230.1mm
Torsion and stability
- Torsional constantJ
- 2,062,16010³ mm⁴