Rectangular and square HSS
HSS 305x102x6.4
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
- 304.8mm
- Widthb
- 101.6mm
- Thicknesst
- 6.35mm
- Outside corner radiusro
- 12.7mm
Mass and area
- Mass per lengthm
- 38.43kg/m
- Cross-sectional areaA
- 4,896mm²
- Outside perimeterP
- 791mm
Strong axis x–x
- Moment of inertiaIx
- 52.7410⁶ mm⁴
- Elastic section modulusSx
- 346.110³ mm³
- Plastic section modulusZx
- 447.710³ mm³
- Radius of gyrationrx
- 103.8mm
Weak axis y–y
- Moment of inertiaIy
- 9.28110⁶ mm⁴
- Elastic section modulusSy
- 182.710³ mm³
- Plastic section modulusZy
- 204.310³ mm³
- Radius of gyrationry
- 43.54mm
Torsion and stability
- Torsional constantJ
- 26,54110³ mm⁴