Equal-leg angles

L 180x180x16

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 = 16t = 16
Cross-section, to scaledimensions in mm

Dimensions

Depthd
180mm
Widthb
180mm
Thicknesst
16mm
Root radiusr1
18mm

Mass and area

Mass per lengthm
43.48kg/m
Cross-sectional areaA
5,539mm²
Outside perimeterP
704.5mm

Strong axis x–x

Moment of inertiaIx
16.8210⁶ mm⁴
Elastic section modulusSx
129.710³ mm³
Radius of gyrationrx
55.11mm

Weak axis y–y

Moment of inertiaIy
16.8210⁶ mm⁴
Elastic section modulusSy
129.710³ mm³
Radius of gyrationry
55.11mm

Principal axes

Moment of inertia, major principal axisIu
26.7310⁶ mm⁴
Moment of inertia, minor principal axisIv
6.91810⁶ mm⁴
Radius of gyrationru
69.47mm
Radius of gyration, minor principal axisrv
35.34mm
Principal axis angleα
45°

Torsion and stability

Torsional constantJ
506.310³ mm⁴

Centers

Centroidx̄
50.24mm
Centroidȳ
50.24mm

Equivalents in other standards