UA – unequal-leg angles
65x50x5UA
Same sections as Australia (joint AS/NZS standard). Published area (Ag) shown as a check: difference < 1.5% on every section.
Dimensions
- Depthd
- 65mm
- Widthb
- 50mm
- Thicknesst
- 4.6mm
- Root radiusr1
- 6mm
Mass and area
- Mass per lengthm
- 4.017kg/m
- Cross-sectional areaA
- 511.7mm²
- Published area (standard)A pub.
- 512mm²
- Outside perimeterP
- 224.9mm
Strong axis x–x
- Moment of inertiaIx
- 0.21510⁶ mm⁴
- Elastic section modulusSx
- 4.75310³ mm³
- Radius of gyrationrx
- 20.5mm
Weak axis y–y
- Moment of inertiaIy
- 0.110810⁶ mm⁴
- Elastic section modulusSy
- 2.94510³ mm³
- Radius of gyrationry
- 14.72mm
Principal axes
- Moment of inertia, major principal axisIu
- 0.267110⁶ mm⁴
- Moment of inertia, minor principal axisIv
- 0.058710⁶ mm⁴
- Radius of gyrationru
- 22.85mm
- Radius of gyration, minor principal axisrv
- 10.71mm
- Principal axis angleα
- 30.01°
Torsion and stability
- Torsional constantJ
- 3.91710³ mm⁴
Centers
- Centroidx̄
- 12.37mm
- Centroidȳ
- 19.76mm