Equal-leg angles (EN 10056-1)

L 45x45x5

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 = 45d = 45t = 5t = 5
Cross-section, to scaledimensions in mm

Dimensions

Depthd
45mm
Widthb
45mm
Thicknesst
5mm
Root radiusr1
7mm

Mass and area

Mass per lengthm
3.378kg/m
Cross-sectional areaA
430.3mm²
Outside perimeterP
174mm

Strong axis x–x

Moment of inertiaIx
0.0784110⁶ mm⁴
Elastic section modulusSx
2.43510³ mm³
Radius of gyrationrx
13.5mm

Weak axis y–y

Moment of inertiaIy
0.0784110⁶ mm⁴
Elastic section modulusSy
2.43510³ mm³
Radius of gyrationry
13.5mm

Principal axes

Moment of inertia, major principal axisIu
0.124210⁶ mm⁴
Moment of inertia, minor principal axisIv
0.0326210⁶ mm⁴
Radius of gyrationru
16.99mm
Radius of gyration, minor principal axisrv
8.707mm
Principal axis angleα
45°

Torsion and stability

Torsional constantJ
4.0810³ mm⁴

Centers

Centroidx̄
12.79mm
Centroidȳ
12.79mm

Equivalents in other standards