Steel Beam Sizes / UK / RHS / RHS 350×200×8

RHS 350×200×8 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 350×200×8 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 44.69 lb/ft 66.50 kg/m
Height 13.78 in 350.00 mm
Width 7.87 in 200.00 mm
t 0.315 in 8.000 mm
Area 13.14 in² 8,480.00 mm²
Ix 338.75 in⁴ 141,000,000 mm⁴
Iy 142.23 in⁴ 59,200,000 mm⁴
Sx 49.19 in³ 806,000.00 mm³
Sy 36.13 in³ 592,000.00 mm³
Zx 59.86 in³ 981,000.00 mm³
Zy 40.64 in³ 666,000.00 mm³
rx 5.08 in 129.00 mm
ry 3.29 in 83.60 mm
J 314.73 in⁴ 131,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 350×200×8.

Lighter in Rectangular hollow sections

RHS 300×200×8.8

Weight
66.0 kg/m (-0.8%)
Depth
300.0 mm (-14%)
Ix
106,000,000 mm⁴ (-25%)

Heavier in Rectangular hollow sections

RHS 220×120×14.2

Weight
67.8 kg/m (+2.0%)
Depth
220.0 mm (-37%)
Ix
50,000,000 mm⁴ (-65%)

Closest Iₓ in Rectangular hollow sections

RHS 300×200×12.5

Weight
91.9 kg/m (+38%)
Depth
300.0 mm (-14%)
Ix
143,000,000 mm⁴ (+1.4%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology