Rectangular and square HSS
HSS 178x76x4.8
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
- 76.2mm
- Thicknesst
- 4.76mm
- Outside corner radiusro
- 9.52mm
Mass and area
- Mass per lengthm
- 17.81kg/m
- Cross-sectional areaA
- 2,269mm²
- Outside perimeterP
- 491.7mm
Strong axis x–x
- Moment of inertiaIx
- 8.7610⁶ mm⁴
- Elastic section modulusSx
- 98.5410³ mm³
- Plastic section modulusZx
- 12510³ mm³
- Radius of gyrationrx
- 62.13mm
Weak axis y–y
- Moment of inertiaIy
- 2.31710⁶ mm⁴
- Elastic section modulusSy
- 60.8310³ mm³
- Plastic section modulusZy
- 68.8710³ mm³
- Radius of gyrationry
- 31.96mm
Torsion and stability
- Torsional constantJ
- 6,07810³ mm⁴