UB – universal beams
200UB18.2
Same sections as Australia (joint AS/NZS standard). Published area (Ag) shown as a check: difference < 1.5% on every section.
Dimensions
- Depthd
- 198mm
- Flange widthbf
- 99mm
- Web thicknesstw
- 4.5mm
- Flange thicknesstf
- 7mm
- Root radiusr
- 11mm
Mass and area
- Mass per lengthm
- 18.2kg/m
- Cross-sectional areaA
- 2,318mm²
- Published area (standard)A pub.
- 2,320mm²
- Outside perimeterP
- 764.1mm
Strong axis x–x
- Moment of inertiaIx
- 15.8210⁶ mm⁴
- Elastic section modulusSx
- 159.810³ mm³
- Plastic section modulusZx
- 179.810³ mm³
- Radius of gyrationrx
- 82.6mm
Weak axis y–y
- Moment of inertiaIy
- 1.13610⁶ mm⁴
- Elastic section modulusSy
- 22.9510³ mm³
- Plastic section modulusZy
- 35.7210³ mm³
- Radius of gyrationry
- 22.14mm
Torsion and stability
- Torsional constantJ
- 38.510³ mm⁴
- Warping constantCw
- 10.3210⁹ mm⁶