Rectangular and square HSS
HSS 305x203x8.0
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
- 203.2mm
- Thicknesst
- 7.94mm
- Outside corner radiusro
- 15.88mm
Mass and area
- Mass per lengthm
- 60.07kg/m
- Cross-sectional areaA
- 7,653mm²
- Outside perimeterP
- 988.7mm
Strong axis x–x
- Moment of inertiaIx
- 99.3310⁶ mm⁴
- Elastic section modulusSx
- 651.810³ mm³
- Plastic section modulusZx
- 785.910³ mm³
- Radius of gyrationrx
- 113.9mm
Weak axis y–y
- Moment of inertiaIy
- 53.2310⁶ mm⁴
- Elastic section modulusSy
- 523.910³ mm³
- Plastic section modulusZy
- 595.610³ mm³
- Radius of gyrationry
- 83.4mm
Torsion and stability
- Torsional constantJ
- 110,41610³ mm⁴