EA – equal-leg angles

75x75x5EA

Standard: AS/NZS 3679.1Source: InfraBuild dimensions, Hot Rolled & Structural Steel Products (ed. 9) — calculated properties
Same sections as Australia (joint AS/NZS standard). Published area (Ag) shown as a check: difference < 1.5% on every section.
xyb = 75d = 75t = 4.6t = 4.6
Cross-section, to scaledimensions in mm

Dimensions

Depthd
75mm
Widthb
75mm
Thicknesst
4.6mm
Root radiusr1
8mm

Mass and area

Mass per lengthm
5.304kg/m
Cross-sectional areaA
675.7mm²
Published area (standard)A pub.
672mm²
Outside perimeterP
293.1mm

Strong axis x–x

Moment of inertiaIx
0.36110⁶ mm⁴
Elastic section modulusSx
6.56210³ mm³
Radius of gyrationrx
23.11mm

Weak axis y–y

Moment of inertiaIy
0.36110⁶ mm⁴
Elastic section modulusSy
6.56210³ mm³
Radius of gyrationry
23.11mm

Principal axes

Moment of inertia, major principal axisIu
0.572810⁶ mm⁴
Moment of inertia, minor principal axisIv
0.149210⁶ mm⁴
Radius of gyrationru
29.12mm
Radius of gyration, minor principal axisrv
14.86mm
Principal axis angleα
45°

Torsion and stability

Torsional constantJ
5.32510³ mm⁴

Centers

Centroidx̄
19.98mm
Centroidȳ
19.98mm

Equivalents in other standards