Rectangular and square HSS
HSS 305x305x19
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
- 304.8mm
- Widthb
- 304.8mm
- Thicknesst
- 19.05mm
- Outside corner radiusro
- 38.1mm
Mass and area
- Mass per lengthm
- 163.6kg/m
- Cross-sectional areaA
- 20,840mm²
- Outside perimeterP
- 1,154mm
Strong axis x–x
- Moment of inertiaIx
- 27710⁶ mm⁴
- Elastic section modulusSx
- 1,81710³ mm³
- Plastic section modulusZx
- 2,19810³ mm³
- Radius of gyrationrx
- 115.3mm
Weak axis y–y
- Moment of inertiaIy
- 27710⁶ mm⁴
- Elastic section modulusSy
- 1,81710³ mm³
- Plastic section modulusZy
- 2,19810³ mm³
- Radius of gyrationry
- 115.3mm
Torsion and stability
- Torsional constantJ
- 458,99610³ mm⁴