Rectangular and square HSS
HSS 178x51x3.2
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
- 3.17mm
- Outside corner radiusro
- 6.35mm
Mass and area
- Mass per lengthm
- 10.86kg/m
- Cross-sectional areaA
- 1,383mm²
- Outside perimeterP
- 446.3mm
Strong axis x–x
- Moment of inertiaIx
- 4.91610⁶ mm⁴
- Elastic section modulusSx
- 55.310³ mm³
- Plastic section modulusZx
- 72.4210³ mm³
- Radius of gyrationrx
- 59.62mm
Weak axis y–y
- Moment of inertiaIy
- 0.670710⁶ mm⁴
- Elastic section modulusSy
- 26.4110³ mm³
- Plastic section modulusZy
- 29.3310³ mm³
- Radius of gyrationry
- 22.02mm
Torsion and stability
- Torsional constantJ
- 2,00610³ mm⁴