Unequal-leg angles (EN 10056-1)

L 120x80x8

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 = 80d = 120t = 8t = 8
Cross-section, to scaledimensions in mm

Dimensions

Depthd
120mm
Widthb
80mm
Thicknesst
8mm
Root radiusr1
11mm

Mass and area

Mass per lengthm
12.16kg/m
Cross-sectional areaA
1,549mm²
Outside perimeterP
390.6mm

Strong axis x–x

Moment of inertiaIx
2.25710⁶ mm⁴
Elastic section modulusSx
27.6310³ mm³
Radius of gyrationrx
38.17mm

Weak axis y–y

Moment of inertiaIy
0.807610⁶ mm⁴
Elastic section modulusSy
13.1710³ mm³
Radius of gyrationry
22.83mm

Principal axes

Moment of inertia, major principal axisIu
2.59810⁶ mm⁴
Moment of inertia, minor principal axisIv
0.466310⁶ mm⁴
Radius of gyrationru
40.95mm
Radius of gyration, minor principal axisrv
17.35mm
Principal axis angleα
23.59°

Torsion and stability

Torsional constantJ
36.1710³ mm⁴

Centers

Centroidx̄
18.66mm
Centroidȳ
38.32mm

Equivalents in other standards