UA – unequal-leg angles
150x90x8UA
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
- 7.8mm
- Root radiusr1
- 10mm
Mass and area
- Mass per lengthm
- 14.3kg/m
- Cross-sectional areaA
- 1,822mm²
- Published area (standard)A pub.
- 1,820mm²
- Outside perimeterP
- 471.4mm
Strong axis x–x
- Moment of inertiaIx
- 4.26110⁶ mm⁴
- Elastic section modulusSx
- 42.2810³ mm³
- Radius of gyrationrx
- 48.36mm
Weak axis y–y
- Moment of inertiaIy
- 1.18110⁶ mm⁴
- Elastic section modulusSy
- 16.7710³ mm³
- Radius of gyrationry
- 25.46mm
Principal axes
- Moment of inertia, major principal axisIu
- 4.73310⁶ mm⁴
- Moment of inertia, minor principal axisIv
- 0.709610⁶ mm⁴
- Radius of gyrationru
- 50.97mm
- Radius of gyration, minor principal axisrv
- 19.74mm
- Principal axis angleα
- 20.02°
Torsion and stability
- Torsional constantJ
- 39.410³ mm⁴
Centers
- Centroidx̄
- 19.55mm
- Centroidȳ
- 49.2mm