UB – universal beams
150UB18.0
Same sections as Australia (joint AS/NZS standard). Published area (Ag) shown as a check: difference < 1.5% on every section.
Dimensions
- Depthd
- 155mm
- Flange widthbf
- 75mm
- Web thicknesstw
- 6mm
- Flange thicknesstf
- 9.5mm
- Root radiusr
- 8mm
Mass and area
- Mass per lengthm
- 18.02kg/m
- Cross-sectional areaA
- 2,296mm²
- Published area (standard)A pub.
- 2,300mm²
- Outside perimeterP
- 584.3mm
Strong axis x–x
- Moment of inertiaIx
- 9.05110⁶ mm⁴
- Elastic section modulusSx
- 116.810³ mm³
- Plastic section modulusZx
- 135.110³ mm³
- Radius of gyrationrx
- 62.79mm
Weak axis y–y
- Moment of inertiaIy
- 0.671810⁶ mm⁴
- Elastic section modulusSy
- 17.9110³ mm³
- Plastic section modulusZy
- 28.2110³ mm³
- Radius of gyrationry
- 17.11mm
Torsion and stability
- Torsional constantJ
- 61.1610³ mm⁴
- Warping constantCw
- 3.53510⁹ mm⁶