UA – unequal-leg angles
150x90x12UA
Same sections as Australia (joint AS/NZS standard). Published area (Ag) shown as a check: difference < 1.5% on every section.
Dimensions
- Depthd
- 150mm
- Widthb
- 90mm
- Thicknesst
- 12mm
- Root radiusr1
- 10mm
Mass and area
- Mass per lengthm
- 21.56kg/m
- Cross-sectional areaA
- 2,747mm²
- Published area (standard)A pub.
- 2,750mm²
- Outside perimeterP
- 471.4mm
Strong axis x–x
- Moment of inertiaIx
- 6.28710⁶ mm⁴
- Elastic section modulusSx
- 63.5110³ mm³
- Radius of gyrationrx
- 47.84mm
Weak axis y–y
- Moment of inertiaIy
- 1.71910⁶ mm⁴
- Elastic section modulusSy
- 2510³ mm³
- Radius of gyrationry
- 25.02mm
Principal axes
- Moment of inertia, major principal axisIu
- 6.96610⁶ mm⁴
- Moment of inertia, minor principal axisIv
- 1.04110⁶ mm⁴
- Radius of gyrationru
- 50.36mm
- Radius of gyration, minor principal axisrv
- 19.47mm
- Principal axis angleα
- 19.78°
Torsion and stability
- Torsional constantJ
- 137.910³ mm⁴
Centers
- Centroidx̄
- 21.23mm
- Centroidȳ
- 50.99mm