Steel Beam Sizes / Australia / Equal Angles / 45×3 EA

45×3 EA Steel Beam Dimensions and Properties

ASNZS Equal angles · v2019.11

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Diagram, properties emphasis, and nearby alternatives use the selected unit system.

Units

Section diagram

45×3 EA dimensions

Not to scale. Dimensions shown for reference.

Section properties

Symbols match the steel section finder. Imperial and metric values are shown side by side.

Property Imperial Metric
Weight 1.39 lb/ft 2.06 kg/m
Width 1.77 in 45.00 mm
Height 1.77 in 45.00 mm
t 0.118 in 3.000 mm
Area 0.41 in² 263.00 mm²
Ix 0.19 in⁴ 79,000.00 mm⁴
Iy 0.05 in⁴ 20,600.00 mm⁴
Zx 0.25 in³ 4,050.00 mm³
Zy 0.12 in³ 2,020.00 mm³
rx 0.68 in 17.33 mm
ry 0.35 in 8.85 mm
J 0.00 in⁴ 875.00 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 45×3 EA.

Lighter in Equal angles

30×5 EA

Weight
2.0 kg/m (-2.7%)
Depth
30.0 mm (-33%)
Ix
31,600 mm⁴ (-60%)

Heavier in Equal angles

25×6 EA

Weight
2.1 kg/m (+1.1%)
Depth
25.0 mm (-44%)
Ix
21,000 mm⁴ (-73%)

Closest Iₓ in Equal angles

40×5 EA

Weight
2.7 kg/m (+32%)
Depth
40.0 mm (-11%)
Ix
80,100 mm⁴ (+1.4%)
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Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology