EA – equal-leg angles

100x100x10EA

Standard: AS/NZS 3679.1Source: InfraBuild dimensions, Hot Rolled & Structural Steel Products (ed. 9) — calculated properties
Published area (Ag) shown as a check: difference < 1.5% on every section.
xyb = 100d = 100t = 9.5t = 9.5
Cross-section, to scaledimensions in mm

Dimensions

Depthd
100mm
Widthb
100mm
Thicknesst
9.5mm
Root radiusr1
8mm

Mass and area

Mass per lengthm
14.26kg/m
Cross-sectional areaA
1,817mm²
Published area (standard)A pub.
1,810mm²
Outside perimeterP
393.1mm

Strong axis x–x

Moment of inertiaIx
1.70810⁶ mm⁴
Elastic section modulusSx
23.8110³ mm³
Radius of gyrationrx
30.66mm

Weak axis y–y

Moment of inertiaIy
1.70810⁶ mm⁴
Elastic section modulusSy
23.8110³ mm³
Radius of gyrationry
30.66mm

Principal axes

Moment of inertia, major principal axisIu
2.71510⁶ mm⁴
Moment of inertia, minor principal axisIv
0.700310⁶ mm⁴
Radius of gyrationru
38.66mm
Radius of gyration, minor principal axisrv
19.63mm
Principal axis angleα
45°

Torsion and stability

Torsional constantJ
57.0710³ mm⁴

Centers

Centroidx̄
28.28mm
Centroidȳ
28.28mm

Equivalents in other standards