Steel Beam Sizes / UK / SHS / SHS 100×100×8

SHS 100×100×8 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 100×100×8 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 15.19 lb/ft 22.60 kg/m
Height 3.94 in 100.00 mm
Width 3.94 in 100.00 mm
t 0.315 in 8.000 mm
Area 4.46 in² 2,880.00 mm²
Ix 9.61 in⁴ 4,000,000 mm⁴
Iy 9.61 in⁴ 4,000,000 mm⁴
Sx 4.88 in³ 79,900.00 mm³
Sy 4.88 in³ 79,900.00 mm³
Zx 5.99 in³ 98,200.00 mm³
Zy 5.99 in³ 98,200.00 mm³
rx 1.47 in 37.30 mm
ry 1.47 in 37.30 mm
J 15.52 in⁴ 6,460,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus SHS 100×100×8.

Lighter in Square hollow sections

SHS 120×120×6.3

Weight
22.2 kg/m (-1.8%)
Depth
120.0 mm (+20%)
Ix
6,030,000 mm⁴ (+51%)

Heavier in Square hollow sections

SHS 140×140×5.6

Weight
23.4 kg/m (+3.5%)
Depth
140.0 mm (+40%)
Ix
8,910,000 mm⁴ (+123%)

Closest Iₓ in Square hollow sections

SHS 120×120×4

Weight
14.4 kg/m (-36%)
Depth
120.0 mm (+20%)
Ix
4,100,000 mm⁴ (+2.5%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology