Equal-leg angles (EN 10056-1)

L 90x90x9

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 = 90d = 90t = 9t = 9
Cross-section, to scaledimensions in mm

Dimensions

Depthd
90mm
Widthb
90mm
Thicknesst
9mm
Root radiusr1
11mm

Mass and area

Mass per lengthm
12.18kg/m
Cross-sectional areaA
1,552mm²
Outside perimeterP
350.6mm

Strong axis x–x

Moment of inertiaIx
1.15810⁶ mm⁴
Elastic section modulusSx
17.9310³ mm³
Radius of gyrationrx
27.32mm

Weak axis y–y

Moment of inertiaIy
1.15810⁶ mm⁴
Elastic section modulusSy
17.9310³ mm³
Radius of gyrationry
27.32mm

Principal axes

Moment of inertia, major principal axisIu
1.83810⁶ mm⁴
Moment of inertia, minor principal axisIv
0.478810⁶ mm⁴
Radius of gyrationru
34.41mm
Radius of gyration, minor principal axisrv
17.56mm
Principal axis angleα
45°

Torsion and stability

Torsional constantJ
45.8610³ mm⁴

Centers

Centroidx̄
25.39mm
Centroidȳ
25.39mm

Equivalents in other standards