Steel Beam Sizes / Europe / IPE Sections / IPE O 550

IPE O 550 Steel Beam Dimensions and Properties

EN IPE beams · v2026.1

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

Units

Section diagram

IPE O 550 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 82.65 lb/ft 123.00 kg/m
Depth, d 21.89 in 556.00 mm
Flange width, bf 8.35 in 212.00 mm
tw 0.500 in 12.700 mm
tf 0.795 in 20.200 mm
Area 24.18 in² 15,600.00 mm²
Ix 1,902.79 in⁴ 792,000,000 mm⁴
Iy 77.36 in⁴ 32,200,000 mm⁴
Sx 173.92 in³ 2,850,000 mm³
Sy 18.55 in³ 304,000.00 mm³
Zx 198.94 in³ 3,260,000 mm³
Zy 29.35 in³ 481,000.00 mm³
rx 8.86 in 225.00 mm
ry 1.79 in 45.50 mm
J 4.49 in⁴ 1,870,000 mm⁴
Cw 8,564.96 in⁶ 2,300,000,000,000 mm⁶

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus IPE O 550.

Lighter in IPE beams

IPE 600

Weight
122.0 kg/m (-0.8%)
Depth
600.0 mm (+7.9%)
Ix
921,000,000 mm⁴ (+16%)

Heavier in IPE beams

IPE V 500

Weight
129.0 kg/m (+4.9%)
Depth
514.0 mm (-7.6%)
Ix
707,000,000 mm⁴ (-11%)

Closest Iₓ in IPE beams

IPE A 600

Weight
108.0 kg/m (-12%)
Depth
597.0 mm (+7.4%)
Ix
829,000,000 mm⁴ (+4.7%)
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Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Eurocode 3 - UK National Annex · Methodology