Steel Beam Sizes / UK / RHS / RHS 350×200×8.8

RHS 350×200×8.8 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 350×200×8.8 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 48.99 lb/ft 72.90 kg/m
Height 13.78 in 350.00 mm
Width 7.87 in 200.00 mm
t 0.346 in 8.800 mm
Area 14.40 in² 9,290.00 mm²
Ix 369.99 in⁴ 154,000,000 mm⁴
Iy 154.72 in⁴ 64,400,000 mm⁴
Sx 53.58 in³ 878,000.00 mm³
Sy 39.30 in³ 644,000.00 mm³
Zx 65.30 in³ 1,070,000 mm³
Zy 44.36 in³ 727,000.00 mm³
rx 5.08 in 129.00 mm
ry 3.28 in 83.20 mm
J 343.56 in⁴ 143,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 350×200×8.8.

Lighter in Rectangular hollow sections

RHS 350×250×8

Weight
72.8 kg/m (-0.1%)
Depth
350.0 mm (0.0%)
Ix
164,000,000 mm⁴ (+6.5%)

Heavier in Rectangular hollow sections

RHS 300×200×10

Weight
74.5 kg/m (+2.2%)
Depth
300.0 mm (-14%)
Ix
118,000,000 mm⁴ (-23%)

Closest Iₓ in Rectangular hollow sections

RHS 350×150×11

Weight
81.5 kg/m (+12%)
Depth
350.0 mm (0.0%)
Ix
155,000,000 mm⁴ (+0.6%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology