Steel Beam Sizes / UK / SHS / SHS 180×180×12.5

SHS 180×180×12.5 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 180×180×12.5 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 43.27 lb/ft 64.40 kg/m
Height 7.09 in 180.00 mm
Width 7.09 in 180.00 mm
t 0.492 in 12.500 mm
Area 12.73 in² 8,210.00 mm²
Ix 91.06 in⁴ 37,900,000 mm⁴
Iy 91.06 in⁴ 37,900,000 mm⁴
Sx 25.69 in³ 421,000.00 mm³
Sy 25.69 in³ 421,000.00 mm³
Zx 31.18 in³ 511,000.00 mm³
Zy 31.18 in³ 511,000.00 mm³
rx 2.68 in 68.00 mm
ry 2.68 in 68.00 mm
J 145.83 in⁴ 60,700,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus SHS 180×180×12.5.

Lighter in Square hollow sections

SHS 200×200×11

Weight
64.3 kg/m (-0.2%)
Depth
200.0 mm (+11%)
Ix
48,300,000 mm⁴ (+27%)

Heavier in Square hollow sections

SHS 300×300×7.1

Weight
64.9 kg/m (+0.8%)
Depth
300.0 mm (+67%)
Ix
118,000,000 mm⁴ (+211%)

Closest Iₓ in Square hollow sections

SHS 200×200×8

Weight
47.7 kg/m (-26%)
Depth
200.0 mm (+11%)
Ix
37,100,000 mm⁴ (-2.1%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology