UB – universal beams
310UB32.0
Same sections as Australia (joint AS/NZS standard). Published area (Ag) shown as a check: difference < 1.5% on every section.
Dimensions
- Depthd
- 298mm
- Flange widthbf
- 149mm
- Web thicknesstw
- 5.5mm
- Flange thicknesstf
- 8mm
- Root radiusr
- 13mm
Mass and area
- Mass per lengthm
- 32.03kg/m
- Cross-sectional areaA
- 4,080mm²
- Published area (standard)A pub.
- 4,080mm²
- Outside perimeterP
- 1,159mm
Strong axis x–x
- Moment of inertiaIx
- 63.1810⁶ mm⁴
- Elastic section modulusSx
- 42410³ mm³
- Plastic section modulusZx
- 475.110³ mm³
- Radius of gyrationrx
- 124.4mm
Weak axis y–y
- Moment of inertiaIy
- 4.4210⁶ mm⁴
- Elastic section modulusSy
- 59.3310³ mm³
- Plastic section modulusZy
- 91.7610³ mm³
- Radius of gyrationry
- 32.91mm
Torsion and stability
- Torsional constantJ
- 87.9210³ mm⁴
- Warping constantCw
- 92.7310⁹ mm⁶