Equal-leg angles (EN 10056-1)

L 80x80x12

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)
Singapore uses BS / BS EN sections; same data as the United Kingdom.
xyb = 80d = 80t = 12t = 12
Cross-section, to scaledimensions in mm

Dimensions

Depthd
80mm
Widthb
80mm
Thicknesst
12mm
Root radiusr1
10mm

Mass and area

Mass per lengthm
14.03kg/m
Cross-sectional areaA
1,787mm²
Outside perimeterP
311.4mm

Strong axis x–x

Moment of inertiaIx
1.01710⁶ mm⁴
Elastic section modulusSx
18.210³ mm³
Radius of gyrationrx
23.86mm

Weak axis y–y

Moment of inertiaIy
1.01710⁶ mm⁴
Elastic section modulusSy
18.210³ mm³
Radius of gyrationry
23.86mm

Principal axes

Moment of inertia, major principal axisIu
1.60710⁶ mm⁴
Moment of inertia, minor principal axisIv
0.42710⁶ mm⁴
Radius of gyrationru
29.99mm
Radius of gyration, minor principal axisrv
15.46mm
Principal axis angleα
45°

Torsion and stability

Torsional constantJ
91.8210³ mm⁴

Centers

Centroidx̄
24.13mm
Centroidȳ
24.13mm

Equivalents in other standards