UA – unequal-leg angles

125x75x6UA

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 = 75d = 125t = 6t = 6
Cross-section, to scaledimensions in mm

Dimensions

Depthd
125mm
Widthb
75mm
Thicknesst
6mm
Root radiusr1
8mm

Mass and area

Mass per lengthm
9.191kg/m
Cross-sectional areaA
1,171mm²
Published area (standard)A pub.
1,170mm²
Outside perimeterP
393.1mm

Strong axis x–x

Moment of inertiaIx
1.90910⁶ mm⁴
Elastic section modulusSx
22.6810³ mm³
Radius of gyrationrx
40.38mm

Weak axis y–y

Moment of inertiaIy
0.530710⁶ mm⁴
Elastic section modulusSy
9.0110³ mm³
Radius of gyrationry
21.29mm

Principal axes

Moment of inertia, major principal axisIu
2.12210⁶ mm⁴
Moment of inertia, minor principal axisIv
0.318510⁶ mm⁴
Radius of gyrationru
42.57mm
Radius of gyration, minor principal axisrv
16.49mm
Principal axis angleα
20.06°

Torsion and stability

Torsional constantJ
14.9810³ mm⁴

Centers

Centroidx̄
16.1mm
Centroidȳ
40.81mm

Equivalents in other standards