UC – universal columns
250UC72.9
Same sections as Australia (joint AS/NZS standard). Published area (Ag) shown as a check: difference < 1.5% on every section.
Dimensions
- Depthd
- 253.8mm
- Flange widthbf
- 254mm
- Web thicknesstw
- 8.6mm
- Flange thicknesstf
- 14.2mm
- Root radiusr
- 14mm
Mass and area
- Mass per lengthm
- 73.16kg/m
- Cross-sectional areaA
- 9,320mm²
- Published area (standard)A pub.
- 9,320mm²
- Outside perimeterP
- 1,482mm
Strong axis x–x
- Moment of inertiaIx
- 113.910⁶ mm⁴
- Elastic section modulusSx
- 897.410³ mm³
- Plastic section modulusZx
- 991.910³ mm³
- Radius of gyrationrx
- 110.5mm
Weak axis y–y
- Moment of inertiaIy
- 38.8110⁶ mm⁴
- Elastic section modulusSy
- 305.610³ mm³
- Plastic section modulusZy
- 463.510³ mm³
- Radius of gyrationry
- 64.53mm
Torsion and stability
- Torsional constantJ
- 586.410³ mm⁴
- Warping constantCw
- 556.610⁹ mm⁶