Rectangular and square HSS
HSS 178x102x4.8
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
- 101.6mm
- Thicknesst
- 4.76mm
- Outside corner radiusro
- 9.52mm
Mass and area
- Mass per lengthm
- 19.71kg/m
- Cross-sectional areaA
- 2,511mm²
- Outside perimeterP
- 542.5mm
Strong axis x–x
- Moment of inertiaIx
- 10.5710⁶ mm⁴
- Elastic section modulusSx
- 118.910³ mm³
- Plastic section modulusZx
- 145.910³ mm³
- Radius of gyrationrx
- 64.88mm
Weak axis y–y
- Moment of inertiaIy
- 4.44610⁶ mm⁴
- Elastic section modulusSy
- 87.5210³ mm³
- Plastic section modulusZy
- 99.2310³ mm³
- Radius of gyrationry
- 42.08mm
Torsion and stability
- Torsional constantJ
- 10,10210³ mm⁴