EA – equal-leg angles

25x25x5EA

Standard: AS/NZS 3679.1Source: InfraBuild dimensions, Hot Rolled & Structural Steel Products (ed. 9) — calculated properties
Published area (Ag) shown as a check: difference < 1.5% on every section.
xyb = 25d = 25t = 4.6t = 4.6
Cross-section, to scaledimensions in mm

Dimensions

Depthd
25mm
Widthb
25mm
Thicknesst
4.6mm
Root radiusr1
5mm

Mass and area

Mass per lengthm
1.66kg/m
Cross-sectional areaA
211.5mm²
Published area (standard)A pub.
210mm²
Outside perimeterP
95.71mm

Strong axis x–x

Moment of inertiaIx
0.0111710⁶ mm⁴
Elastic section modulusSx
0.648810³ mm³
Radius of gyrationrx
7.267mm

Weak axis y–y

Moment of inertiaIy
0.0111710⁶ mm⁴
Elastic section modulusSy
0.648810³ mm³
Radius of gyrationry
7.267mm

Principal axes

Moment of inertia, major principal axisIu
0.0175710⁶ mm⁴
Moment of inertia, minor principal axisIv
0.00477410⁶ mm⁴
Radius of gyrationru
9.113mm
Radius of gyration, minor principal axisrv
4.751mm
Principal axis angleα
45°

Torsion and stability

Torsional constantJ
1.70710³ mm⁴

Centers

Centroidx̄
7.781mm
Centroidȳ
7.781mm

Equivalents in other standards