Steel Beam Sizes / UK / RHS / RHS 300×200×5

RHS 300×200×5 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 300×200×5 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 25.74 lb/ft 38.30 kg/m
Height 11.81 in 300.00 mm
Width 7.87 in 200.00 mm
t 0.197 in 5.000 mm
Area 7.55 in² 4,870.00 mm²
Ix 151.84 in⁴ 63,200,000 mm⁴
Iy 81.69 in⁴ 34,000,000 mm⁴
Sx 25.69 in³ 421,000.00 mm³
Sy 20.75 in³ 340,000.00 mm³
Zx 30.57 in³ 501,000.00 mm³
Zy 23.19 in³ 380,000.00 mm³
rx 4.49 in 114.00 mm
ry 3.29 in 83.50 mm
J 163.85 in⁴ 68,200,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 300×200×5.

Lighter in Rectangular hollow sections

RHS 250×150×6.3

Weight
38.0 kg/m (-0.8%)
Depth
250.0 mm (-17%)
Ix
41,400,000 mm⁴ (-34%)

Heavier in Rectangular hollow sections

RHS 150×100×11

Weight
38.4 kg/m (+0.3%)
Depth
150.0 mm (-50%)
Ix
13,700,000 mm⁴ (-78%)

Closest Iₓ in Rectangular hollow sections

RHS 300×100×8

Weight
47.7 kg/m (+25%)
Depth
300.0 mm (0.0%)
Ix
63,000,000 mm⁴ (-0.3%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology