Unequal-leg angles (EN 10056-1)

L 80x40x6

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 = 40d = 80t = 6t = 6
Cross-section, to scaledimensions in mm

Dimensions

Depthd
80mm
Widthb
40mm
Thicknesst
6mm
Root radiusr1
7mm

Mass and area

Mass per lengthm
5.411kg/m
Cross-sectional areaA
689.3mm²
Outside perimeterP
234mm

Strong axis x–x

Moment of inertiaIx
0.449210⁶ mm⁴
Elastic section modulusSx
8.72810³ mm³
Radius of gyrationrx
25.53mm

Weak axis y–y

Moment of inertiaIy
0.0759410⁶ mm⁴
Elastic section modulusSy
2.43710³ mm³
Radius of gyrationry
10.5mm

Principal axes

Moment of inertia, major principal axisIu
0.475910⁶ mm⁴
Moment of inertia, minor principal axisIv
0.0492610⁶ mm⁴
Radius of gyrationru
26.28mm
Radius of gyration, minor principal axisrv
8.454mm
Principal axis angleα
14.48°

Torsion and stability

Torsional constantJ
8.98610³ mm⁴

Centers

Centroidx̄
8.842mm
Centroidȳ
28.54mm

Equivalents in other standards