Rectangular and square HSS
HSS 178x127x4.8
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
- 177.8mm
- Widthb
- 127mm
- Thicknesst
- 4.76mm
- Outside corner radiusro
- 9.52mm
Mass and area
- Mass per lengthm
- 21.61kg/m
- Cross-sectional areaA
- 2,753mm²
- Outside perimeterP
- 593.3mm
Strong axis x–x
- Moment of inertiaIx
- 12.3810⁶ mm⁴
- Elastic section modulusSx
- 139.310³ mm³
- Plastic section modulusZx
- 166.910³ mm³
- Radius of gyrationrx
- 67.07mm
Weak axis y–y
- Moment of inertiaIy
- 7.38410⁶ mm⁴
- Elastic section modulusSy
- 116.310³ mm³
- Plastic section modulusZy
- 132.710³ mm³
- Radius of gyrationry
- 51.79mm
Torsion and stability
- Torsional constantJ
- 14,69110³ mm⁴