Rectangular and square HSS
HSS 178x178x4.8
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
- Depthd
- 177.8mm
- Widthb
- 177.8mm
- Thicknesst
- 4.76mm
- Outside corner radiusro
- 9.52mm
Mass and area
- Mass per lengthm
- 25.41kg/m
- Cross-sectional areaA
- 3,236mm²
- Outside perimeterP
- 694.9mm
Strong axis x–x
- Moment of inertiaIx
- 1610⁶ mm⁴
- Elastic section modulusSx
- 18010³ mm³
- Plastic section modulusZx
- 208.710³ mm³
- Radius of gyrationrx
- 70.32mm
Weak axis y–y
- Moment of inertiaIy
- 1610⁶ mm⁴
- Elastic section modulusSy
- 18010³ mm³
- Plastic section modulusZy
- 208.710³ mm³
- Radius of gyrationry
- 70.32mm
Torsion and stability
- Torsional constantJ
- 25,05910³ mm⁴