EA – equal-leg angles

65x65x10EA

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 = 65d = 65t = 9.5t = 9.5
Cross-section, to scaledimensions in mm

Dimensions

Depthd
65mm
Widthb
65mm
Thicknesst
9.5mm
Root radiusr1
6mm

Mass and area

Mass per lengthm
9.017kg/m
Cross-sectional areaA
1,149mm²
Published area (standard)A pub.
1,150mm²
Outside perimeterP
254.9mm

Strong axis x–x

Moment of inertiaIx
0.436910⁶ mm⁴
Elastic section modulusSx
9.62410³ mm³
Radius of gyrationrx
19.5mm

Weak axis y–y

Moment of inertiaIy
0.436910⁶ mm⁴
Elastic section modulusSy
9.62410³ mm³
Radius of gyrationry
19.5mm

Principal axes

Moment of inertia, major principal axisIu
0.69110⁶ mm⁴
Moment of inertia, minor principal axisIv
0.182910⁶ mm⁴
Radius of gyrationru
24.53mm
Radius of gyration, minor principal axisrv
12.62mm
Principal axis angleα
45°

Torsion and stability

Torsional constantJ
35.9710³ mm⁴

Centers

Centroidx̄
19.6mm
Centroidȳ
19.6mm

Equivalents in other standards