EA – equal-leg angles

50x50x6EA

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 = 50d = 50t = 6t = 6
Cross-section, to scaledimensions in mm

Dimensions

Depthd
50mm
Widthb
50mm
Thicknesst
6mm
Root radiusr1
6mm

Mass and area

Mass per lengthm
4.458kg/m
Cross-sectional areaA
567.9mm²
Published area (standard)A pub.
568mm²
Outside perimeterP
194.9mm

Strong axis x–x

Moment of inertiaIx
0.129210⁶ mm⁴
Elastic section modulusSx
3.64110³ mm³
Radius of gyrationrx
15.08mm

Weak axis y–y

Moment of inertiaIy
0.129210⁶ mm⁴
Elastic section modulusSy
3.64110³ mm³
Radius of gyrationry
15.08mm

Principal axes

Moment of inertia, major principal axisIu
0.204810⁶ mm⁴
Moment of inertia, minor principal axisIv
0.0535910⁶ mm⁴
Radius of gyrationru
18.99mm
Radius of gyration, minor principal axisrv
9.715mm
Principal axis angleα
45°

Torsion and stability

Torsional constantJ
7.34710³ mm⁴

Centers

Centroidx̄
14.52mm
Centroidȳ
14.52mm

Equivalents in other standards