Steel Beam Sizes / UK / SHS / SHS 120×120×6.3

SHS 120×120×6.3 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 120×120×6.3 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 14.92 lb/ft 22.20 kg/m
Height 4.72 in 120.00 mm
Width 4.72 in 120.00 mm
t 0.248 in 6.300 mm
Area 4.37 in² 2,820.00 mm²
Ix 14.49 in⁴ 6,030,000 mm⁴
Iy 14.49 in⁴ 6,030,000 mm⁴
Sx 6.10 in³ 100,000.00 mm³
Sy 6.10 in³ 100,000.00 mm³
Zx 7.32 in³ 120,000.00 mm³
Zy 7.32 in³ 120,000.00 mm³
rx 1.82 in 46.20 mm
ry 1.82 in 46.20 mm
J 22.82 in⁴ 9,500,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus SHS 120×120×6.3.

Lighter in Square hollow sections

SHS 90×90×8.8

Weight
21.8 kg/m (-1.8%)
Depth
90.0 mm (-25%)
Ix
2,990,000 mm⁴ (-50%)

Heavier in Square hollow sections

SHS 100×100×8

Weight
22.6 kg/m (+1.8%)
Depth
100.0 mm (-17%)
Ix
4,000,000 mm⁴ (-34%)

Closest Iₓ in Square hollow sections

SHS 120×120×5.6

Weight
19.9 kg/m (-10%)
Depth
120.0 mm (0.0%)
Ix
5,470,000 mm⁴ (-9.3%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology