Steel Beam Sizes / UK / SHS / SHS 140×140×8

SHS 140×140×8 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 140×140×8 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 21.91 lb/ft 32.60 kg/m
Height 5.51 in 140.00 mm
Width 5.51 in 140.00 mm
t 0.315 in 8.000 mm
Area 6.45 in² 4,160.00 mm²
Ix 28.83 in⁴ 12,000,000 mm⁴
Iy 28.83 in⁴ 12,000,000 mm⁴
Sx 10.44 in³ 171,000.00 mm³
Sy 10.44 in³ 171,000.00 mm³
Zx 12.45 in³ 204,000.00 mm³
Zy 12.45 in³ 204,000.00 mm³
rx 2.11 in 53.60 mm
ry 2.11 in 53.60 mm
J 45.41 in⁴ 18,900,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus SHS 140×140×8.

Lighter in Square hollow sections

SHS 150×150×7.1

Weight
31.4 kg/m (-3.7%)
Depth
150.0 mm (+7.1%)
Ix
13,500,000 mm⁴ (+13%)

Heavier in Square hollow sections

SHS 120×120×10

Weight
33.7 kg/m (+3.4%)
Depth
120.0 mm (-14%)
Ix
8,520,000 mm⁴ (-29%)

Closest Iₓ in Square hollow sections

SHS 150×150×6.3

Weight
28.1 kg/m (-14%)
Depth
150.0 mm (+7.1%)
Ix
12,200,000 mm⁴ (+1.7%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology