Rectangular and square HSS
HSS 178x76x6.4
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
- 177.8mm
- Widthb
- 76.2mm
- Thicknesst
- 6.35mm
- Outside corner radiusro
- 12.7mm
Mass and area
- Mass per lengthm
- 23.24kg/m
- Cross-sectional areaA
- 2,961mm²
- Outside perimeterP
- 486.2mm
Strong axis x–x
- Moment of inertiaIx
- 11.0810⁶ mm⁴
- Elastic section modulusSx
- 124.610³ mm³
- Plastic section modulusZx
- 160.410³ mm³
- Radius of gyrationrx
- 61.17mm
Weak axis y–y
- Moment of inertiaIy
- 2.89210⁶ mm⁴
- Elastic section modulusSy
- 75.910³ mm³
- Plastic section modulusZy
- 87.8310³ mm³
- Radius of gyrationry
- 31.25mm
Torsion and stability
- Torsional constantJ
- 7,75210³ mm⁴