Steel Beam Sizes / Australia / Equal Angles / 55×5 EA

55×5 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

55×5 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 2.58 lb/ft 3.84 kg/m
Width 2.17 in 55.00 mm
Height 2.17 in 55.00 mm
t 0.181 in 4.600 mm
Area 0.76 in² 489.00 mm²
Ix 0.53 in⁴ 220,000.00 mm⁴
Iy 0.14 in⁴ 57,100.00 mm⁴
Zx 0.56 in³ 9,120.00 mm³
Zy 0.28 in³ 4,560.00 mm³
rx 0.84 in 21.21 mm
ry 0.43 in 10.81 mm
J 0.01 in⁴ 3,710.00 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus 55×5 EA.

Lighter in Equal angles

40×6 EA

Weight
3.5 kg/m (-8.8%)
Depth
40.0 mm (-27%)
Ix
99,700 mm⁴ (-55%)

Heavier in Equal angles

45×6 EA

Weight
4.0 kg/m (+3.5%)
Depth
45.0 mm (-18%)
Ix
146,000 mm⁴ (-34%)

Closest Iₓ in Equal angles

50×6 EA

Weight
4.5 kg/m (+16%)
Depth
50.0 mm (-9.1%)
Ix
205,000 mm⁴ (-6.8%)
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Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology