EA – equal-leg angles
40x40x5EA
Same sections as Australia (joint AS/NZS standard). Published area (Ag) shown as a check: difference < 1.5% on every section.
Dimensions
- Depthd
- 40mm
- Widthb
- 40mm
- Thicknesst
- 4.6mm
- Root radiusr1
- 5mm
Mass and area
- Mass per lengthm
- 2.744kg/m
- Cross-sectional areaA
- 349.5mm²
- Published area (standard)A pub.
- 348mm²
- Outside perimeterP
- 155.7mm
Strong axis x–x
- Moment of inertiaIx
- 0.0509610⁶ mm⁴
- Elastic section modulusSx
- 1.78910³ mm³
- Radius of gyrationrx
- 12.07mm
Weak axis y–y
- Moment of inertiaIy
- 0.0509610⁶ mm⁴
- Elastic section modulusSy
- 1.78910³ mm³
- Radius of gyrationry
- 12.07mm
Principal axes
- Moment of inertia, major principal axisIu
- 0.0807910⁶ mm⁴
- Moment of inertia, minor principal axisIv
- 0.0211310⁶ mm⁴
- Radius of gyrationru
- 15.2mm
- Radius of gyration, minor principal axisrv
- 7.775mm
- Principal axis angleα
- 45°
Torsion and stability
- Torsional constantJ
- 2.68110³ mm⁴
Centers
- Centroidx̄
- 11.52mm
- Centroidȳ
- 11.52mm