UA – unequal-leg angles
75x50x8UA
Same sections as Australia (joint AS/NZS standard). Published area (Ag) shown as a check: difference < 1.5% on every section.
Dimensions
- Depthd
- 75mm
- Widthb
- 50mm
- Thicknesst
- 7.8mm
- Root radiusr1
- 7mm
Mass and area
- Mass per lengthm
- 7.217kg/m
- Cross-sectional areaA
- 919.4mm²
- Published area (standard)A pub.
- 921mm²
- Outside perimeterP
- 244mm
Strong axis x–x
- Moment of inertiaIx
- 0.509210⁶ mm⁴
- Elastic section modulusSx
- 10.2110³ mm³
- Radius of gyrationrx
- 23.53mm
Weak axis y–y
- Moment of inertiaIy
- 0.1810⁶ mm⁴
- Elastic section modulusSy
- 4.83610³ mm³
- Radius of gyrationry
- 13.99mm
Principal axes
- Moment of inertia, major principal axisIu
- 0.58410⁶ mm⁴
- Moment of inertia, minor principal axisIv
- 0.105210⁶ mm⁴
- Radius of gyrationru
- 25.2mm
- Radius of gyration, minor principal axisrv
- 10.7mm
- Principal axis angleα
- 23.29°
Torsion and stability
- Torsional constantJ
- 19.8910³ mm⁴
Centers
- Centroidx̄
- 12.77mm
- Centroidȳ
- 25.13mm