Steel Beam Sizes / Europe / SHS / SHS 180×180×11

SHS 180×180×11 Steel Beam Dimensions and Properties

EN Square hollow sections · v2026.1

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

Units

Section diagram

SHS 180×180×11 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 38.57 lb/ft 57.40 kg/m
Height 7.09 in 180.00 mm
Width 7.09 in 180.00 mm
t 0.433 in 11.000 mm
Area 11.33 in² 7,310.00 mm²
Ix 82.65 in⁴ 34,400,000 mm⁴
Iy 82.65 in⁴ 34,400,000 mm⁴
Sx 23.31 in³ 382,000.00 mm³
Sy 23.31 in³ 382,000.00 mm³
Zx 28.07 in³ 460,000.00 mm³
Zy 28.07 in³ 460,000.00 mm³
rx 2.70 in 68.60 mm
ry 2.70 in 68.60 mm
J 131.42 in⁴ 54,700,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus SHS 180×180×11.

Lighter in Square hollow sections

SHS 160×160×12.5

Weight
56.6 kg/m (-1.4%)
Depth
160.0 mm (-11%)
Ix
25,800,000 mm⁴ (-25%)

Heavier in Square hollow sections

SHS 220×220×8.8

Weight
57.7 kg/m (+0.5%)
Depth
220.0 mm (+22%)
Ix
54,300,000 mm⁴ (+58%)

Closest Iₓ in Square hollow sections

SHS 200×200×7.1

Weight
42.6 kg/m (-26%)
Depth
200.0 mm (+11%)
Ix
33,400,000 mm⁴ (-2.9%)
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Source: Eurocode 3 UK National Annex and ArcelorMittal Sections 2026-1 · v2026.1 · Hot-finished hollow sections · Methodology