Unequal-leg angles (EN 10056-1)

L 50x30x4

Standard: Mixed range: EN 10056-1:1998 (calculation convention, 19 of 39 sizes); other sizes DIN 1029, manufacturersSource: Geometry: Steel Section Database (MIT) — calculated properties (exact engine)
xyb = 30d = 50t = 4t = 4
Cross-section, to scaledimensions in mm

Dimensions

Depthd
50mm
Widthb
30mm
Thicknesst
4mm
Root radiusr1
5mm

Mass and area

Mass per lengthm
2.407kg/m
Cross-sectional areaA
306.7mm²
Outside perimeterP
155.7mm

Strong axis x–x

Moment of inertiaIx
0.077110⁶ mm⁴
Elastic section modulusSx
2.32510³ mm³
Radius of gyrationrx
15.86mm

Weak axis y–y

Moment of inertiaIy
0.0208610⁶ mm⁴
Elastic section modulusSy
0.907410³ mm³
Radius of gyrationry
8.247mm

Principal axes

Moment of inertia, major principal axisIu
0.0852610⁶ mm⁴
Moment of inertia, minor principal axisIv
0.012710⁶ mm⁴
Radius of gyrationru
16.67mm
Radius of gyration, minor principal axisrv
6.435mm
Principal axis angleα
19.59°

Torsion and stability

Torsional constantJ
1.79710³ mm⁴

Centers

Centroidx̄
7.015mm
Centroidȳ
16.84mm

Equivalents in other standards