Equal-leg angles

L 200x200x18

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 = 200d = 200t = 18t = 18
Cross-section, to scaledimensions in mm

Dimensions

Depthd
200mm
Widthb
200mm
Thicknesst
18mm
Root radiusr1
18mm

Mass and area

Mass per lengthm
54.25kg/m
Cross-sectional areaA
6,911mm²
Outside perimeterP
784.5mm

Strong axis x–x

Moment of inertiaIx
2610⁶ mm⁴
Elastic section modulusSx
180.610³ mm³
Radius of gyrationrx
61.33mm

Weak axis y–y

Moment of inertiaIy
2610⁶ mm⁴
Elastic section modulusSy
180.610³ mm³
Radius of gyrationry
61.33mm

Principal axes

Moment of inertia, major principal axisIu
41.3310⁶ mm⁴
Moment of inertia, minor principal axisIv
10.6710⁶ mm⁴
Radius of gyrationru
77.33mm
Radius of gyration, minor principal axisrv
39.29mm
Principal axis angleα
45°

Torsion and stability

Torsional constantJ
789.510³ mm⁴

Centers

Centroidx̄
56.04mm
Centroidȳ
56.04mm

Equivalents in other standards