Steel Beam Sizes / UK / RHS / RHS 350×150×8.8

RHS 350×150×8.8 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 350×150×8.8 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 44.35 lb/ft 66.00 kg/m
Height 13.78 in 350.00 mm
Width 5.91 in 150.00 mm
t 0.346 in 8.800 mm
Area 13.04 in² 8,410.00 mm²
Ix 307.52 in⁴ 128,000,000 mm⁴
Iy 80.72 in⁴ 33,600,000 mm⁴
Sx 44.67 in³ 732,000.00 mm³
Sy 27.40 in³ 449,000.00 mm³
Zx 56.26 in³ 922,000.00 mm³
Zy 30.88 in³ 506,000.00 mm³
rx 4.84 in 123.00 mm
ry 2.49 in 63.30 mm
J 207.10 in⁴ 86,200,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 350×150×8.8.

Lighter in Rectangular hollow sections

RHS 200×100×16

Weight
65.2 kg/m (-1.2%)
Depth
200.0 mm (-43%)
Ix
36,800,000 mm⁴ (-71%)

Heavier in Rectangular hollow sections

RHS 300×250×8

Weight
66.5 kg/m (+0.8%)
Depth
300.0 mm (-14%)
Ix
114,000,000 mm⁴ (-11%)

Closest Iₓ in Rectangular hollow sections

RHS 300×200×11

Weight
81.5 kg/m (+23%)
Depth
300.0 mm (-14%)
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