Unequal-leg angles (EN 10056-1)

L 50x30x5

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)
Singapore uses BS / BS EN sections; same data as the United Kingdom.
xyb = 30d = 50t = 5t = 5
Cross-section, to scaledimensions in mm

Dimensions

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

Mass and area

Mass per lengthm
2.965kg/m
Cross-sectional areaA
377.7mm²
Outside perimeterP
155.7mm

Strong axis x–x

Moment of inertiaIx
0.0936110⁶ mm⁴
Elastic section modulusSx
2.8610³ mm³
Radius of gyrationrx
15.74mm

Weak axis y–y

Moment of inertiaIy
0.0251310⁶ mm⁴
Elastic section modulusSy
1.11310³ mm³
Radius of gyrationry
8.158mm

Principal axes

Moment of inertia, major principal axisIu
0.103310⁶ mm⁴
Moment of inertia, minor principal axisIv
0.0154410⁶ mm⁴
Radius of gyrationru
16.54mm
Radius of gyration, minor principal axisrv
6.393mm
Principal axis angleα
19.4°

Torsion and stability

Torsional constantJ
3.40410³ mm⁴

Centers

Centroidx̄
7.413mm
Centroidȳ
17.27mm

Equivalents in other standards