UA – unequal-leg angles
125x75x8UA
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
- 7.8mm
- Root radiusr1
- 8mm
Mass and area
- Mass per lengthm
- 11.82kg/m
- Cross-sectional areaA
- 1,506mm²
- Published area (standard)A pub.
- 1,500mm²
- Outside perimeterP
- 393.1mm
Strong axis x–x
- Moment of inertiaIx
- 2.4310⁶ mm⁴
- Elastic section modulusSx
- 29.1410³ mm³
- Radius of gyrationrx
- 40.17mm
Weak axis y–y
- Moment of inertiaIy
- 0.670810⁶ mm⁴
- Elastic section modulusSy
- 11.5310³ mm³
- Radius of gyrationry
- 21.1mm
Principal axes
- Moment of inertia, major principal axisIu
- 2.69710⁶ mm⁴
- Moment of inertia, minor principal axisIv
- 0.403310⁶ mm⁴
- Radius of gyrationru
- 42.32mm
- Radius of gyration, minor principal axisrv
- 16.36mm
- Principal axis angleα
- 19.97°
Torsion and stability
- Torsional constantJ
- 32.1410³ mm⁴
Centers
- Centroidx̄
- 16.84mm
- Centroidȳ
- 41.61mm