Steel Beam Sizes / UK / RHS / RHS 200×100×8

RHS 200×100×8 Steel Beam Dimensions and Properties

UK Rectangular hollow sections · v2023.11

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Diagram, properties emphasis, and nearby alternatives use the selected unit system.

Units

Section diagram

RHS 200×100×8 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 23.59 lb/ft 35.10 kg/m
Height 7.87 in 200.00 mm
Width 3.94 in 100.00 mm
t 0.315 in 8.000 mm
Area 6.94 in² 4,480.00 mm²
Ix 53.58 in⁴ 22,300,000 mm⁴
Iy 17.75 in⁴ 7,390,000 mm⁴
Sx 13.61 in³ 223,000.00 mm³
Sy 9.03 in³ 148,000.00 mm³
Zx 17.21 in³ 282,000.00 mm³
Zy 10.50 in³ 172,000.00 mm³
rx 2.78 in 70.60 mm
ry 1.60 in 40.60 mm
J 43.25 in⁴ 18,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 200×100×8.

Lighter in Rectangular hollow sections

RHS 250×150×5.6

Weight
33.9 kg/m (-3.4%)
Depth
250.0 mm (+25%)
Ix
37,300,000 mm⁴ (+67%)

Heavier in Rectangular hollow sections

RHS 150×100×10

Weight
35.3 kg/m (+0.6%)
Depth
150.0 mm (-25%)
Ix
12,800,000 mm⁴ (-43%)

Closest Iₓ in Rectangular hollow sections

RHS 180×100×11

Weight
43.5 kg/m (+24%)
Depth
180.0 mm (-10%)
Ix
21,800,000 mm⁴ (-2.2%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology