UA – unequal-leg angles
100x75x8UA
Same sections as Australia (joint AS/NZS standard). Published area (Ag) shown as a check: difference < 1.5% on every section.
Dimensions
- Depthd
- 100mm
- Widthb
- 75mm
- Thicknesst
- 7.8mm
- Root radiusr1
- 8mm
Mass and area
- Mass per lengthm
- 10.29kg/m
- Cross-sectional areaA
- 1,311mm²
- Published area (standard)A pub.
- 1,310mm²
- Outside perimeterP
- 343.1mm
Strong axis x–x
- Moment of inertiaIx
- 1.30810⁶ mm⁴
- Elastic section modulusSx
- 18.9910³ mm³
- Radius of gyrationrx
- 31.58mm
Weak axis y–y
- Moment of inertiaIy
- 0.632310⁶ mm⁴
- Elastic section modulusSy
- 11.2410³ mm³
- Radius of gyrationry
- 21.96mm
Principal axes
- Moment of inertia, major principal axisIu
- 1.610⁶ mm⁴
- Moment of inertia, minor principal axisIv
- 0.3410⁶ mm⁴
- Radius of gyrationru
- 34.93mm
- Radius of gyration, minor principal axisrv
- 16.1mm
- Principal axis angleα
- 28.79°
Torsion and stability
- Torsional constantJ
- 28.1810³ mm⁴
Centers
- Centroidx̄
- 18.76mm
- Centroidȳ
- 31.13mm