Rectangular and square HSS
HSS 559x559x25
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
- 558.8mm
- Widthb
- 558.8mm
- Thicknesst
- 25.4mm
- Outside corner radiusro
- 50.8mm
Mass and area
- Mass per lengthm
- 412.4kg/m
- Cross-sectional areaA
- 52,532mm²
- Outside perimeterP
- 2,148mm
Strong axis x–x
- Moment of inertiaIx
- 2,45010⁶ mm⁴
- Elastic section modulusSx
- 8,77010³ mm³
- Plastic section modulusZx
- 10,39210³ mm³
- Radius of gyrationrx
- 216mm
Weak axis y–y
- Moment of inertiaIy
- 2,45010⁶ mm⁴
- Elastic section modulusSy
- 8,77010³ mm³
- Plastic section modulusZy
- 10,39210³ mm³
- Radius of gyrationry
- 216mm
Torsion and stability
- Torsional constantJ
- 3,953,17010³ mm⁴