Rectangular and square HSS
HSS 51x51x6.4
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
- 50.8mm
- Widthb
- 50.8mm
- Thicknesst
- 6.35mm
- Outside corner radiusro
- 12.7mm
Mass and area
- Mass per lengthm
- 8.048kg/m
- Cross-sectional areaA
- 1,025mm²
- Outside perimeterP
- 181.4mm
Strong axis x–x
- Moment of inertiaIx
- 0.318910⁶ mm⁴
- Elastic section modulusSx
- 12.5610³ mm³
- Plastic section modulusZx
- 16.4310³ mm³
- Radius of gyrationrx
- 17.64mm
Weak axis y–y
- Moment of inertiaIy
- 0.318910⁶ mm⁴
- Elastic section modulusSy
- 12.5610³ mm³
- Plastic section modulusZy
- 16.4310³ mm³
- Radius of gyrationry
- 17.64mm
Torsion and stability
- Torsional constantJ
- 580.510³ mm⁴