Equal-leg angles (EN 10056-1)

L 180x180x20

Standard: Mixed range: EN 10056-1:1998 (calculation convention, 24 of 42 sizes); other sizes DIN 1028, EN 10056-1:2017, manufacturersSource: Geometry: Steel Section Database (MIT) — calculated properties (exact engine)
xyb = 180d = 180t = 20t = 20
Cross-section, to scaledimensions in mm

Dimensions

Depthd
180mm
Widthb
180mm
Thicknesst
20mm
Root radiusr1
18mm

Mass and area

Mass per lengthm
53.65kg/m
Cross-sectional areaA
6,835mm²
Outside perimeterP
704.5mm

Strong axis x–x

Moment of inertiaIx
20.4310⁶ mm⁴
Elastic section modulusSx
159.410³ mm³
Radius of gyrationrx
54.67mm

Weak axis y–y

Moment of inertiaIy
20.4310⁶ mm⁴
Elastic section modulusSy
159.410³ mm³
Radius of gyrationry
54.67mm

Principal axes

Moment of inertia, major principal axisIu
32.4210⁶ mm⁴
Moment of inertia, minor principal axisIv
8.43510⁶ mm⁴
Radius of gyrationru
68.88mm
Radius of gyration, minor principal axisrv
35.13mm
Principal axis angleα
45°

Torsion and stability

Torsional constantJ
965.210³ mm⁴

Centers

Centroidx̄
51.83mm
Centroidȳ
51.83mm

Equivalents in other standards