Steel Beam Sizes / UK / RHS / RHS 300×250×8.8

RHS 300×250×8.8 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 300×250×8.8 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 11.81 in 300.00 mm
Width 9.84 in 250.00 mm
t 0.346 in 8.800 mm
Area 14.40 in² 9,290.00 mm²
Ix 297.91 in⁴ 124,000,000 mm⁴
Iy 225.60 in⁴ 93,900,000 mm⁴
Sx 50.59 in³ 829,000.00 mm³
Sy 45.83 in³ 751,000.00 mm³
Zx 59.74 in³ 979,000.00 mm³
Zy 52.72 in³ 864,000.00 mm³
rx 4.57 in 116.00 mm
ry 3.98 in 101.00 mm
J 398.82 in⁴ 166,000,000 mm⁴

Alternatives

Useful nearby sections

Same-series weight neighbors, closest Ix, and a nearby depth series when available — with percent change versus RHS 300×250×8.8.

Lighter in Rectangular hollow sections

RHS 350×250×8

Weight
72.8 kg/m (-0.1%)
Depth
350.0 mm (+17%)
Ix
164,000,000 mm⁴ (+32%)

Heavier in Rectangular hollow sections

RHS 300×200×10

Weight
74.5 kg/m (+2.2%)
Depth
300.0 mm (0.0%)
Ix
118,000,000 mm⁴ (-4.8%)

Closest Iₓ in Rectangular hollow sections

RHS 350×200×7.1

Weight
59.3 kg/m (-19%)
Depth
350.0 mm (+17%)
Ix
127,000,000 mm⁴ (+2.4%)
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Source: British-Sections-1 and Eurocode 3 UK shared angle/hollow tables · v2023.11 · Hot-finished hollow sections · Methodology