Rectangular and square HSS
HSS 178x178x3.2
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
- Depthd
- 177.8mm
- Widthb
- 177.8mm
- Thicknesst
- 3.17mm
- Outside corner radiusro
- 6.35mm
Mass and area
- Mass per lengthm
- 17.18kg/m
- Cross-sectional areaA
- 2,188mm²
- Outside perimeterP
- 700.3mm
Strong axis x–x
- Moment of inertiaIx
- 11.0610⁶ mm⁴
- Elastic section modulusSx
- 124.410³ mm³
- Plastic section modulusZx
- 142.710³ mm³
- Radius of gyrationrx
- 71.08mm
Weak axis y–y
- Moment of inertiaIy
- 11.0610⁶ mm⁴
- Elastic section modulusSy
- 124.410³ mm³
- Plastic section modulusZy
- 142.710³ mm³
- Radius of gyrationry
- 71.08mm
Torsion and stability
- Torsional constantJ
- 17,06710³ mm⁴