Rectangular and square HSS
HSS 254x89x6.4
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
- 254mm
- Widthb
- 88.9mm
- Thicknesst
- 6.35mm
- Outside corner radiusro
- 12.7mm
Mass and area
- Mass per lengthm
- 32.1kg/m
- Cross-sectional areaA
- 4,090mm²
- Outside perimeterP
- 664mm
Strong axis x–x
- Moment of inertiaIx
- 30.5410⁶ mm⁴
- Elastic section modulusSx
- 240.510³ mm³
- Plastic section modulusZx
- 311.610³ mm³
- Radius of gyrationrx
- 86.42mm
Weak axis y–y
- Moment of inertiaIy
- 5.78110⁶ mm⁴
- Elastic section modulusSy
- 130.110³ mm³
- Plastic section modulusZy
- 147.110³ mm³
- Radius of gyrationry
- 37.6mm
Torsion and stability
- Torsional constantJ
- 16,41210³ mm⁴