Rectangular and square HSS
HSS 178x51x6.4
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
- 50.8mm
- Thicknesst
- 6.35mm
- Outside corner radiusro
- 12.7mm
Mass and area
- Mass per lengthm
- 20.71kg/m
- Cross-sectional areaA
- 2,638mm²
- Outside perimeterP
- 435.4mm
Strong axis x–x
- Moment of inertiaIx
- 8.70810⁶ mm⁴
- Elastic section modulusSx
- 97.9510³ mm³
- Plastic section modulusZx
- 132.710³ mm³
- Radius of gyrationrx
- 57.45mm
Weak axis y–y
- Moment of inertiaIy
- 1.12110⁶ mm⁴
- Elastic section modulusSy
- 44.1410³ mm³
- Plastic section modulusZy
- 52.2810³ mm³
- Radius of gyrationry
- 20.61mm
Torsion and stability
- Torsional constantJ
- 3,51410³ mm⁴