UA – unequal-leg angles
125x75x12UA
Same sections as Australia (joint AS/NZS standard). Published area (Ag) shown as a check: difference < 1.5% on every section.
Dimensions
- Depthd
- 125mm
- Widthb
- 75mm
- Thicknesst
- 12mm
- Root radiusr1
- 8mm
Mass and area
- Mass per lengthm
- 17.76kg/m
- Cross-sectional areaA
- 2,263mm²
- Published area (standard)A pub.
- 2,260mm²
- Outside perimeterP
- 393.1mm
Strong axis x–x
- Moment of inertiaIx
- 3.55310⁶ mm⁴
- Elastic section modulusSx
- 43.510³ mm³
- Radius of gyrationrx
- 39.62mm
Weak axis y–y
- Moment of inertiaIy
- 0.964410⁶ mm⁴
- Elastic section modulusSy
- 17.0610³ mm³
- Radius of gyrationry
- 20.64mm
Principal axes
- Moment of inertia, major principal axisIu
- 3.92810⁶ mm⁴
- Moment of inertia, minor principal axisIv
- 0.58910⁶ mm⁴
- Radius of gyrationru
- 41.67mm
- Radius of gyration, minor principal axisrv
- 16.13mm
- Principal axis angleα
- 19.59°
Torsion and stability
- Torsional constantJ
- 112.610³ mm⁴
Centers
- Centroidx̄
- 18.46mm
- Centroidȳ
- 43.31mm