Round HSS
HSS 178x8.0
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
- 7.92mm
Mass and area
- Mass per lengthm
- 33.18kg/m
- Cross-sectional areaA
- 4,227mm²
- Outside perimeterP
- 558.6mm
Strong axis x–x
- Moment of inertiaIx
- 15.2810⁶ mm⁴
- Elastic section modulusSx
- 171.910³ mm³
- Plastic section modulusZx
- 228.710³ mm³
- Radius of gyrationrx
- 60.13mm
Weak axis y–y
- Moment of inertiaIy
- 15.2810⁶ mm⁴
- Elastic section modulusSy
- 171.910³ mm³
- Plastic section modulusZy
- 228.710³ mm³
- Radius of gyrationry
- 60.13mm
Torsion and stability
- Torsional constantJ
- 30,56210³ mm⁴