EA – equal-leg angles

75x75x8EA

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 = 7.8t = 7.8
Cross-section, to scaledimensions in mm

Dimensions

Depthd
75mm
Widthb
75mm
Thicknesst
7.8mm
Root radiusr1
8mm

Mass and area

Mass per lengthm
8.761kg/m
Cross-sectional areaA
1,116mm²
Published area (standard)A pub.
1,110mm²
Outside perimeterP
293.1mm

Strong axis x–x

Moment of inertiaIx
0.580710⁶ mm⁴
Elastic section modulusSx
10.8310³ mm³
Radius of gyrationrx
22.81mm

Weak axis y–y

Moment of inertiaIy
0.580710⁶ mm⁴
Elastic section modulusSy
10.8310³ mm³
Radius of gyrationry
22.81mm

Principal axes

Moment of inertia, major principal axisIu
0.921910⁶ mm⁴
Moment of inertia, minor principal axisIv
0.239610⁶ mm⁴
Radius of gyrationru
28.74mm
Radius of gyration, minor principal axisrv
14.65mm
Principal axis angleα
45°

Torsion and stability

Torsional constantJ
24.2310³ mm⁴

Centers

Centroidx̄
21.36mm
Centroidȳ
21.36mm

Equivalents in other standards