Round HSS
HSS 660x19
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
- 19.05mm
Mass and area
- Mass per lengthm
- 301.3kg/m
- Cross-sectional areaA
- 38,383mm²
- Outside perimeterP
- 2,075mm
Strong axis x–x
- Moment of inertiaIx
- 1,97510⁶ mm⁴
- Elastic section modulusSx
- 5,98210³ mm³
- Plastic section modulusZx
- 7,83810³ mm³
- Radius of gyrationrx
- 226.9mm
Weak axis y–y
- Moment of inertiaIy
- 1,97510⁶ mm⁴
- Elastic section modulusSy
- 5,98210³ mm³
- Plastic section modulusZy
- 7,83810³ mm³
- Radius of gyrationry
- 226.9mm
Torsion and stability
- Torsional constantJ
- 3,950,51010³ mm⁴