UA – unequal-leg angles

100x75x6UA

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 = 100t = 6t = 6
Cross-section, to scaledimensions in mm

Dimensions

Depthd
100mm
Widthb
75mm
Thicknesst
6mm
Root radiusr1
8mm

Mass and area

Mass per lengthm
8.014kg/m
Cross-sectional areaA
1,021mm²
Published area (standard)A pub.
1,020mm²
Outside perimeterP
343.1mm

Strong axis x–x

Moment of inertiaIx
1.03110⁶ mm⁴
Elastic section modulusSx
14.8110³ mm³
Radius of gyrationrx
31.78mm

Weak axis y–y

Moment of inertiaIy
0.500710⁶ mm⁴
Elastic section modulusSy
8.78910³ mm³
Radius of gyrationry
22.15mm

Principal axes

Moment of inertia, major principal axisIu
1.26310⁶ mm⁴
Moment of inertia, minor principal axisIv
0.268710⁶ mm⁴
Radius of gyrationru
35.18mm
Radius of gyration, minor principal axisrv
16.23mm
Principal axis angleα
28.88°

Torsion and stability

Torsional constantJ
13.1810³ mm⁴

Centers

Centroidx̄
18.03mm
Centroidȳ
30.36mm

Equivalents in other standards