Steel Beam Sizes / UK / SHS / SHS 180×180×8.8

SHS 180×180×8.8 Steel Beam Dimensions and Properties

UK Square hollow sections · v2023.11

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

Units

Section diagram

SHS 180×180×8.8 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 31.38 lb/ft 46.70 kg/m
Height 7.09 in 180.00 mm
Width 7.09 in 180.00 mm
t 0.346 in 8.800 mm
Area 9.21 in² 5,940.00 mm²
Ix 69.19 in⁴ 28,800,000 mm⁴
Iy 69.19 in⁴ 28,800,000 mm⁴
Sx 19.53 in³ 320,000.00 mm³
Sy 19.53 in³ 320,000.00 mm³
Zx 23.13 in³ 379,000.00 mm³
Zy 23.13 in³ 379,000.00 mm³
rx 2.74 in 69.60 mm
ry 2.74 in 69.60 mm
J 108.59 in⁴ 45,200,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus SHS 180×180×8.8.

Lighter in Square hollow sections

SHS 160×160×10

Weight
46.3 kg/m (-0.9%)
Depth
160.0 mm (-11%)
Ix
21,900,000 mm⁴ (-24%)

Heavier in Square hollow sections

SHS 150×150×11

Weight
47.0 kg/m (+0.6%)
Depth
150.0 mm (-17%)
Ix
19,000,000 mm⁴ (-34%)

Closest Iₓ in Square hollow sections

SHS 160×160×14.2

Weight
63.3 kg/m (+36%)
Depth
160.0 mm (-11%)
Ix
28,100,000 mm⁴ (-2.4%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology