Round HSS
HSS 178x4.8
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
- 177.8mm
- Thicknesst
- 4.78mm
Mass and area
- Mass per lengthm
- 20.4kg/m
- Cross-sectional areaA
- 2,598mm²
- Outside perimeterP
- 558.6mm
Strong axis x–x
- Moment of inertiaIx
- 9.7310⁶ mm⁴
- Elastic section modulusSx
- 109.410³ mm³
- Plastic section modulusZx
- 143.110³ mm³
- Radius of gyrationrx
- 61.2mm
Weak axis y–y
- Moment of inertiaIy
- 9.7310⁶ mm⁴
- Elastic section modulusSy
- 109.410³ mm³
- Plastic section modulusZy
- 143.110³ mm³
- Radius of gyrationry
- 61.2mm
Torsion and stability
- Torsional constantJ
- 19,46010³ mm⁴