Rectangular and square HSS
HSS 406x305x25
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
- 406.4mm
- Widthb
- 304.8mm
- Thicknesst
- 25.4mm
- Outside corner radiusro
- 50.8mm
Mass and area
- Mass per lengthm
- 250.3kg/m
- Cross-sectional areaA
- 31,887mm²
- Outside perimeterP
- 1,335mm
Strong axis x–x
- Moment of inertiaIx
- 687.810⁶ mm⁴
- Elastic section modulusSx
- 3,38510³ mm³
- Plastic section modulusZx
- 4,22610³ mm³
- Radius of gyrationrx
- 146.9mm
Weak axis y–y
- Moment of inertiaIy
- 437.310⁶ mm⁴
- Elastic section modulusSy
- 2,86910³ mm³
- Plastic section modulusZy
- 3,45810³ mm³
- Radius of gyrationry
- 117.1mm
Torsion and stability
- Torsional constantJ
- 902,61510³ mm⁴