Rectangular and square HSS
HSS 406x254x6.4
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
- 406.4mm
- Widthb
- 254mm
- Thicknesst
- 6.35mm
- Outside corner radiusro
- 12.7mm
Mass and area
- Mass per lengthm
- 63.76kg/m
- Cross-sectional areaA
- 8,122mm²
- Outside perimeterP
- 1,299mm
Strong axis x–x
- Moment of inertiaIx
- 189.410⁶ mm⁴
- Elastic section modulusSx
- 932.210³ mm³
- Plastic section modulusZx
- 1,11610³ mm³
- Radius of gyrationrx
- 152.7mm
Weak axis y–y
- Moment of inertiaIy
- 92.3810⁶ mm⁴
- Elastic section modulusSy
- 727.410³ mm³
- Plastic section modulusZy
- 810.910³ mm³
- Radius of gyrationry
- 106.6mm
Torsion and stability
- Torsional constantJ
- 194,72110³ mm⁴