Rectangular and square HSS
HSS 178x178x13
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
- 12.7mm
- Outside corner radiusro
- 25.4mm
Mass and area
- Mass per lengthm
- 62.58kg/m
- Cross-sectional areaA
- 7,972mm²
- Outside perimeterP
- 667.6mm
Strong axis x–x
- Moment of inertiaIx
- 35.2310⁶ mm⁴
- Elastic section modulusSx
- 396.210³ mm³
- Plastic section modulusZx
- 484.410³ mm³
- Radius of gyrationrx
- 66.47mm
Weak axis y–y
- Moment of inertiaIy
- 35.2310⁶ mm⁴
- Elastic section modulusSy
- 396.210³ mm³
- Plastic section modulusZy
- 484.410³ mm³
- Radius of gyrationry
- 66.47mm
Torsion and stability
- Torsional constantJ
- 59,19410³ mm⁴