EA – equal-leg angles

50x50x3EA

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 = 3t = 3
Cross-section, to scaledimensions in mm

Dimensions

Depthd
50mm
Widthb
50mm
Thicknesst
3mm
Root radiusr1
6mm

Mass and area

Mass per lengthm
2.315kg/m
Cross-sectional areaA
294.9mm²
Published area (standard)A pub.
295mm²
Outside perimeterP
194.9mm

Strong axis x–x

Moment of inertiaIx
0.0694110⁶ mm⁴
Elastic section modulusSx
1.88710³ mm³
Radius of gyrationrx
15.34mm

Weak axis y–y

Moment of inertiaIy
0.0694110⁶ mm⁴
Elastic section modulusSy
1.88710³ mm³
Radius of gyrationry
15.34mm

Principal axes

Moment of inertia, major principal axisIu
0.109910⁶ mm⁴
Moment of inertia, minor principal axisIv
0.0288810⁶ mm⁴
Radius of gyrationru
19.31mm
Radius of gyration, minor principal axisrv
9.896mm
Principal axis angleα
45°

Torsion and stability

Torsional constantJ
1.02310³ mm⁴

Centers

Centroidx̄
13.21mm
Centroidȳ
13.21mm

Equivalents in other standards