Steel Beam Sizes / UK / RHS / RHS 200×100×7.1

RHS 200×100×7.1 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 200×100×7.1 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 21.10 lb/ft 31.40 kg/m
Height 7.87 in 200.00 mm
Width 3.94 in 100.00 mm
t 0.280 in 7.100 mm
Area 6.20 in² 4,000.00 mm²
Ix 48.53 in⁴ 20,200,000 mm⁴
Iy 16.19 in⁴ 6,740,000 mm⁴
Sx 12.33 in³ 202,000.00 mm³
Sy 8.24 in³ 135,000.00 mm³
Zx 15.50 in³ 254,000.00 mm³
Zy 9.46 in³ 155,000.00 mm³
rx 2.80 in 71.10 mm
ry 1.61 in 41.00 mm
J 39.16 in⁴ 16,300,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 200×100×7.1.

Lighter in Rectangular hollow sections

RHS 250×150×5

Weight
30.4 kg/m (-3.2%)
Depth
250.0 mm (+25%)
Ix
33,600,000 mm⁴ (+66%)

Heavier in Rectangular hollow sections

RHS 150×100×8.8

Weight
31.5 kg/m (+0.3%)
Depth
150.0 mm (-25%)
Ix
11,700,000 mm⁴ (-42%)

Closest Iₓ in Rectangular hollow sections

RHS 180×100×10

Weight
40.0 kg/m (+27%)
Depth
180.0 mm (-10%)
Ix
20,400,000 mm⁴ (+1.0%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology