Round HSS
HSS 178x6.4
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
- 6.35mm
Mass and area
- Mass per lengthm
- 26.85kg/m
- Cross-sectional areaA
- 3,420mm²
- Outside perimeterP
- 558.6mm
Strong axis x–x
- Moment of inertiaIx
- 12.5810⁶ mm⁴
- Elastic section modulusSx
- 141.610³ mm³
- Plastic section modulusZx
- 186.710³ mm³
- Radius of gyrationrx
- 60.66mm
Weak axis y–y
- Moment of inertiaIy
- 12.5810⁶ mm⁴
- Elastic section modulusSy
- 141.610³ mm³
- Plastic section modulusZy
- 186.710³ mm³
- Radius of gyrationry
- 60.66mm
Torsion and stability
- Torsional constantJ
- 25,16910³ mm⁴