Steel Beam Sizes / UK / RHS / RHS 300×200×11

RHS 300×200×11 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 300×200×11 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 54.77 lb/ft 81.50 kg/m
Height 11.81 in 300.00 mm
Width 7.87 in 200.00 mm
t 0.433 in 11.000 mm
Area 16.12 in² 10,400.00 mm²
Ix 307.52 in⁴ 128,000,000 mm⁴
Iy 163.37 in⁴ 68,000,000 mm⁴
Sx 52.18 in³ 855,000.00 mm³
Sy 41.50 in³ 680,000.00 mm³
Zx 63.46 in³ 1,040,000 mm³
Zy 47.84 in³ 784,000.00 mm³
rx 4.37 in 111.00 mm
ry 3.19 in 80.90 mm
J 336.35 in⁴ 140,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 300×200×11.

Lighter in Rectangular hollow sections

RHS 250×150×14.2

Weight
81.1 kg/m (-0.5%)
Depth
250.0 mm (-17%)
Ix
81,400,000 mm⁴ (-36%)

Heavier in Rectangular hollow sections

RHS 300×250×10

Weight
82.4 kg/m (+1.1%)
Depth
300.0 mm (0.0%)
Ix
139,000,000 mm⁴ (+8.6%)

Closest Iₓ in Rectangular hollow sections

RHS 350×150×8.8

Weight
66.0 kg/m (-19%)
Depth
350.0 mm (+17%)
Ix
128,000,000 mm⁴ (0.0%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology