Steel Beam Sizes / UK / SHS / SHS 180×180×8

SHS 180×180×8 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 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 28.69 lb/ft 42.70 kg/m
Height 7.09 in 180.00 mm
Width 7.09 in 180.00 mm
t 0.315 in 8.000 mm
Area 8.43 in² 5,440.00 mm²
Ix 63.91 in⁴ 26,600,000 mm⁴
Iy 63.91 in⁴ 26,600,000 mm⁴
Sx 18.06 in³ 296,000.00 mm³
Sy 18.06 in³ 296,000.00 mm³
Zx 21.30 in³ 349,000.00 mm³
Zy 21.30 in³ 349,000.00 mm³
rx 2.76 in 70.00 mm
ry 2.76 in 70.00 mm
J 99.94 in⁴ 41,600,000 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.

Lighter in Square hollow sections

SHS 200×200×7.1

Weight
42.6 kg/m (-0.2%)
Depth
200.0 mm (+11%)
Ix
33,400,000 mm⁴ (+26%)

Heavier in Square hollow sections

SHS 150×150×10

Weight
43.1 kg/m (+0.9%)
Depth
150.0 mm (-17%)
Ix
17,700,000 mm⁴ (-33%)

Closest Iₓ in Square hollow sections

SHS 200×200×5.6

Weight
33.9 kg/m (-21%)
Depth
200.0 mm (+11%)
Ix
27,100,000 mm⁴ (+1.9%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology