Steel Beam Sizes / UK / SHS / SHS 70×70×5

SHS 70×70×5 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 70×70×5 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 6.71 lb/ft 9.99 kg/m
Height 2.76 in 70.00 mm
Width 2.76 in 70.00 mm
t 0.197 in 5.000 mm
Area 1.97 in² 1,270.00 mm²
Ix 2.13 in⁴ 885,000.00 mm⁴
Iy 2.13 in⁴ 885,000.00 mm⁴
Sx 1.54 in³ 25,300.00 mm³
Sy 1.54 in³ 25,300.00 mm³
Zx 1.88 in³ 30,800.00 mm³
Zy 1.88 in³ 30,800.00 mm³
rx 1.04 in 26.40 mm
ry 1.04 in 26.40 mm
J 3.41 in⁴ 1,420,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus SHS 70×70×5.

Lighter in Square hollow sections

SHS 90×90×3.6

Weight
9.7 kg/m (-3.3%)
Depth
90.0 mm (+29%)
Ix
1,520,000 mm⁴ (+72%)

Heavier in Square hollow sections

SHS 50×50×8

Weight
10.0 kg/m (+0.1%)
Depth
50.0 mm (-29%)
Ix
360,000 mm⁴ (-59%)

Closest Iₓ in Square hollow sections

SHS 80×80×3.2

Weight
7.6 kg/m (-24%)
Depth
80.0 mm (+14%)
Ix
950,000 mm⁴ (+7.3%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology