EA – equal-leg angles
90x90x10EA
Same sections as Australia (joint AS/NZS standard). Published area (Ag) shown as a check: difference < 1.5% on every section.
Dimensions
- Depthd
- 90mm
- Widthb
- 90mm
- Thicknesst
- 9.5mm
- Root radiusr1
- 8mm
Mass and area
- Mass per lengthm
- 12.77kg/m
- Cross-sectional areaA
- 1,627mm²
- Published area (standard)A pub.
- 1,620mm²
- Outside perimeterP
- 353.1mm
Strong axis x–x
- Moment of inertiaIx
- 1.22510⁶ mm⁴
- Elastic section modulusSx
- 19.0710³ mm³
- Radius of gyrationrx
- 27.44mm
Weak axis y–y
- Moment of inertiaIy
- 1.22510⁶ mm⁴
- Elastic section modulusSy
- 19.0710³ mm³
- Radius of gyrationry
- 27.44mm
Principal axes
- Moment of inertia, major principal axisIu
- 1.94610⁶ mm⁴
- Moment of inertia, minor principal axisIv
- 0.504310⁶ mm⁴
- Radius of gyrationru
- 34.59mm
- Radius of gyration, minor principal axisrv
- 17.61mm
- Principal axis angleα
- 45°
Torsion and stability
- Torsional constantJ
- 51.3610³ mm⁴
Centers
- Centroidx̄
- 25.78mm
- Centroidȳ
- 25.78mm