Steel Beam Sizes / Australia / Equal Angles / 55×5 EA
55×5 EA Dimensions, Weight and Section Properties
ASNZS Equal angles · v2019.11
55×5 EA: 55 mm depth, 3.839 kg/m weight. View the full dimensions and properties in imperial and metric units below.
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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
Compare weight neighbors, another Ix option, 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%)
Another Iₓ option in Equal angles
50×6 EA
- Weight
- 4.5 kg/m (+16%)
- Depth
- 50.0 mm (-9.1%)
- Ix
- 205,000 mm⁴ (-6.8%)
Source: Australian-Sections.xlsx (Sheets 1-19) · v2019.11 · Methodology