Rectangular and square HSS
HSS 51x25x4.8
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
- 25.4mm
- Thicknesst
- 4.76mm
- Outside corner radiusro
- 9.52mm
Mass and area
- Mass per lengthm
- 4.525kg/m
- Cross-sectional areaA
- 576.4mm²
- Outside perimeterP
- 136.1mm
Strong axis x–x
- Moment of inertiaIx
- 0.149510⁶ mm⁴
- Elastic section modulusSx
- 5.88510³ mm³
- Plastic section modulusZx
- 8.19210³ mm³
- Radius of gyrationrx
- 16.1mm
Weak axis y–y
- Moment of inertiaIy
- 0.0475910⁶ mm⁴
- Elastic section modulusSy
- 3.74710³ mm³
- Plastic section modulusZy
- 4.90210³ mm³
- Radius of gyrationry
- 9.086mm
Torsion and stability
- Torsional constantJ
- 133.610³ mm⁴